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<div class=Section1 style='layout-grid:15.6pt'>
<h1><a name="_Toc322005275"><span lang=EN-US>Hadoop</span></a><span
style='mso-bookmark:_Toc322005275'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>安装部署步骤</span></span></h1>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005276"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>目录</span></a></p>
<p class=MsoToc1 style='tab-stops:right dotted 414.8pt'><!--[if supportFields]><span
lang=EN-US><span style='mso-element:field-begin'></span><span
style='mso-spacerun:yes'> </span>TOC \o "1-3" \h \z \u <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='mso-ansi-language:#0400;mso-fareast-language:#0400'><a
href="#_Toc322005275">Hadoop<span style='font-family:宋体;mso-ascii-font-family:
Calibri;mso-hansi-font-family:Calibri'>安装部署步骤</span><span style='color:windowtext;
text-decoration:none;text-underline:none'><span style='mso-tab-count:1 dotted'>..................................................................................................... </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005275 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>1</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005276"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>目录</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>............................................................................................................................. </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005276 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>1</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005277"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>虚拟机安装</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>................................................................................................................. </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005277 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>2</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005278"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>一、硬件环境</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>.............................................................................................................. </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005278 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>2</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005279"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>二、相关软件</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>.............................................................................................................. </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005279 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>2</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005280"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>三、</span>JDK1.6<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>安装和配置</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>............................................................................................... </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005280 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>3</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005281"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>四、安装</span>Hadoop <span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>及配置</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>............................................................................................ </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005281 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>3</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005282"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>五、打开</span>9000<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>和</span>9001<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>端口方法</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>................................................................................. </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005282 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>5</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005283"><span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>六：常遇问题解决办法</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>............................................................................................... </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005283 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>6</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005284">1<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>、关闭防火墙，每台机子都要关</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>.............................................................................. </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005284 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>6</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005285">2<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>、修改主机名和设置固定</span>IP<span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>..................................................................................... </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005285 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>6</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoToc2 style='tab-stops:right dotted 414.8pt'><span style='mso-ansi-language:
#0400;mso-fareast-language:#0400'><a href="#_Toc322005286">3<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>、更换</span>IP<span
style='font-family:宋体;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri'>需要做什么？</span><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-tab-count:1 dotted'>............................................................................................ </span></span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-begin'></span> PAGEREF _Toc322005286 \h <span
style='mso-element:field-separator'></span></span><![endif]--><span
style='color:windowtext;text-decoration:none;text-underline:none'>7</span><!--[if supportFields]><span
style='color:windowtext;text-decoration:none;text-underline:none'><span
style='mso-element:field-end'></span></span><![endif]--></a></span><span
style='font-size:10.5pt;mso-bidi-font-size:11.0pt;line-height:115%;mso-font-kerning:
1.0pt;mso-ansi-language:#0400;mso-fareast-language:#0400'><o:p></o:p></span></p>
<p class=MsoNormal><!--[if supportFields]><span lang=EN-US><span
style='mso-element:field-end'></span></span><![endif]--><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:16.0pt;mso-bidi-font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>本文以虚拟机安装</span><span lang=EN-US style='font-size:
16.0pt;mso-bidi-font-size:10.0pt;color:red'>hadoop</span><span
style='font-size:16.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:red'>集群为例</span><span
lang=EN-US style='font-size:16.0pt;mso-bidi-font-size:10.0pt;color:red'>!!!</span><span
style='font-size:16.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:red'>安装过程如有疑问请</span><span
lang=EN-US style='font-size:16.0pt;mso-bidi-font-size:10.0pt;color:red'>email:281535983@qq.com</span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005277"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>虚拟机安装</span></a></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><span
style='mso-tab-count:1'> </span></span><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman";color:red'>不要用</span><span lang=EN-US
style='font-size:12.0pt;color:red'>Cgywin<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>系统都为</span><span
lang=EN-US>32</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>位的</span><span lang=EN-US>Centos 5</span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:28.0pt;mso-char-indent-count:2.0'><span
lang=EN-US style='font-size:14.0pt;color:red'>Linux</span><span
style='font-size:14.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman";color:red'>安装</span><span lang=EN-US
style='font-size:14.0pt;color:red'>ssh</span><span style='font-size:14.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>协议，安装的时候选中</span><span lang=EN-US
style='font-size:14.0pt;color:red'>ssh</span><span style='font-size:14.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>安装包。</span><span lang=EN-US style='font-size:14.0pt;
color:red'><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><!--[if gte vml 1]><v:shapetype id="_x0000_t75"
coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe"
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<v:stroke joinstyle="miter"/>
<v:formulas>
<v:f eqn="if lineDrawn pixelLineWidth 0"/>
<v:f eqn="sum @0 1 0"/>
<v:f eqn="sum 0 0 @1"/>
<v:f eqn="prod @2 1 2"/>
<v:f eqn="prod @3 21600 pixelWidth"/>
<v:f eqn="prod @3 21600 pixelHeight"/>
<v:f eqn="sum @0 0 1"/>
<v:f eqn="prod @6 1 2"/>
<v:f eqn="prod @7 21600 pixelWidth"/>
<v:f eqn="sum @8 21600 0"/>
<v:f eqn="prod @7 21600 pixelHeight"/>
<v:f eqn="sum @10 21600 0"/>
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<o:lock v:ext="edit" aspectratio="t"/>
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height:315.75pt;mso-position-horizontal-relative:page;
mso-position-vertical-relative:page'>
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src="Hadoop安装-保你一次成功.files/image002.jpg" v:shapes="_x0000_i1025"><![endif]></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005278"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>一、硬件环境</span></a><span
lang=EN-US> </span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>2</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>机器，通过</span><span
lang=EN-US>hostname</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>进行设置：</span><span
lang=EN-US> </span></p>
<p class=MsoNormal><span lang=EN-US>master(192.168.1.102)</span></p>
<p class=MsoNormal><span lang=EN-US>slave1(192.168.1.101)</span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>该环境目前只有</span><span lang=EN-US>2</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>个节点，有资源的话可以增加</span><span lang=EN-US>slave2</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>、</span><span lang=EN-US>slave3…</span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>虚拟机上安装</span><span lang=EN-US>linux</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的话，用使用<span style='color:red'>桥接</span>的方式，在虚拟机系统名称上点右键——设置：</span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>如果桥接不行可以选</span><span lang=EN-US>NAT</span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>给每个</span><span lang=EN-US>linux</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>设置固定的</span><span lang=EN-US>ip,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>因为不设置的话虚拟机每次启动的时候会重新分配</span><span lang=EN-US>ip.</span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005279"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>二、相关软件</span></a><span
lang=EN-US> </span></p>
<p class=MsoNormal><span lang=EN-US>hadoop-0.20.2 </span></p>
<p class=MsoNormal><span lang=EN-US>jdk-6u30-linux-i586.bin </span></p>
<p class=MsoNormal><span lang=EN-US> </span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005280"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>三、</span><span
lang=EN-US>JDK1.6</span></a><span style='mso-bookmark:_Toc322005280'><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>安装和配置</span></span><span
lang=EN-US> </span></p>
<p class=MsoNormal style='margin-left:21.0pt'><span lang=EN-US>(1)</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>在每台机器上运行二进制文件：</span><span lang=EN-US>./jdk-6u18-linux-x64-rpm.bin
</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>或</span><span lang=EN-US>
</span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US>(2)</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>编辑每台机器的</span><span lang=EN-US>/etc/profile,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>增加如下内容</span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US>export<span style='mso-spacerun:yes'> </span>JAVA_HOME=/usr/jdk1.6.0_21</span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US>export<span style='mso-spacerun:yes'> </span>CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib</span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US>export <span style='mso-spacerun:yes'> </span>PATH=</span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US>$PATH:$JAVA_HOME/lib:$JAVA_HOME/jre/bin:$PATH:$HOME/bin </span></p>
<p class=MsoNormal><span lang=EN-US> <span style='mso-tab-count:1'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>注</span><span lang=EN-US>:</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>环境变量视具体安装情况而定</span><span
lang=EN-US>,</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>下同</span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005281"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>四、安装</span><span
lang=EN-US>Hadoop </span></a><span style='mso-bookmark:_Toc322005281'><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>及配置</span></span></p>
<p class=MsoNormal style='margin-left:10.5pt;mso-para-margin-left:1.0gd'><span
lang=EN-US>(1)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>以</span><span lang=EN-US>root</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>登录，在</span><span lang=EN-US>master</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>和</span> <span lang=EN-US>slave1</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>上分别修改</span><span lang=EN-US>/etc/hosts</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，添加如下内容</span><span lang=EN-US>:
</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US>192.168. 1.102 <span
style='mso-spacerun:yes'> </span>master
</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US>192.168.1.101 <span
style='mso-spacerun:yes'> </span>slave1 </span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:10.5pt;mso-para-margin-left:1.0gd'><span
lang=EN-US> (2)</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>用</span><span
lang=EN-US>root</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>登陆</span><span lang=EN-US>,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>建立</span><span lang=EN-US>hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>用户</span> </p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US style='color:red'>useradd hadoop <br>
passwd hadoop<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>输入容易记忆的密码：如</span><span lang=EN-US>hadoop</span></p>
<p class=MsoNormal style='margin-left:10.5pt;mso-para-margin-left:1.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:10.5pt;mso-para-margin-left:1.0gd'><span
lang=EN-US>(3)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>进入</span><span lang=EN-US>hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>目录，使用如下命令：（<span style='color:red'>注意权限问题</span>）</span></p>
<p class=MsoNormal style='margin-left:10.5pt;mso-para-margin-left:1.0gd'><span
lang=EN-US><span style='mso-spacerun:yes'> </span></span><b
style='mso-bidi-font-weight:normal'><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:red'>注意</span></b><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>：如果是</span><span lang=EN-US>master</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>和</span><span lang=EN-US>salve</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>的</span><span
lang=EN-US>IP</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>有变化的话，需要重新执行此步。</span></p>
<p class=MsoNormal style='margin-left:10.5pt;mso-para-margin-left:1.0gd'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>（出现问题可使用</span><span lang=EN-US>root</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>账户查看</span><span lang=EN-US style='color:red'>/var/log/secure</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>日志文件）</span></p>
<p class=MsoNormal style='margin-left:42.0pt;mso-para-margin-left:4.0gd'><span
lang=EN-US>su - hadoop <span
style='mso-spacerun:yes'> </span><span
style='color:gray'><span style='mso-spacerun:yes'> </span>#</span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>进入</span><span lang=EN-US style='color:gray'>hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>用户目录</span><span style='color:gray'> </span><span
lang=EN-US><br>
ssh-keygen -t rsa<span style='mso-spacerun:yes'>
</span><span style='mso-spacerun:yes'> </span><span style='color:gray'>#</span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>建立</span><span lang=EN-US style='color:gray'>ssh</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>目录</span><span lang=EN-US style='color:gray'>,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>敲回车到底，这个命令将为</span><span lang=EN-US
style='color:gray'>hadoop</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:gray'>上的用户</span><span
lang=EN-US style='color:gray'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:126.0pt;mso-para-margin-left:12.0gd;
text-indent:21.0pt'><span lang=EN-US style='color:gray'>hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>生成其密钥对，询问其保存路径时</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:red'>直接回车</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman";color:gray'>采用默认路径，当提示要为生成的密钥输入</span><span
lang=EN-US style='color:gray'>passphrase</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:gray'>的时</span><span style='color:gray'> </span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:gray'>候，</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman";color:red'>直接回车</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:gray'>，<span style='background:#E5E5E5;mso-shading:
white;mso-pattern:gray-10 auto'>也就是将其设定为空密码。生成的密钥对</span></span><span
lang=EN-US style='color:gray;background:#E5E5E5;mso-shading:white;mso-pattern:
gray-10 auto'>id_rsa</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:gray;
background:#E5E5E5;mso-shading:white;mso-pattern:gray-10 auto'>，</span><span
lang=EN-US style='color:gray;background:#E5E5E5;mso-shading:white;mso-pattern:
gray-10 auto'>id_rsa.pub</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:gray;
background:#E5E5E5;mso-shading:white;mso-pattern:gray-10 auto'>，默认存储在</span><span
lang=EN-US style='color:gray;background:#E5E5E5;mso-shading:white;mso-pattern:
gray-10 auto'>/root/.ssh</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:gray;
background:#E5E5E5;mso-shading:white;mso-pattern:gray-10 auto'>目录下</span><span
lang=EN-US style='color:gray'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:57.75pt;mso-para-margin-left:4.0gd;
text-indent:-15.75pt;mso-char-indent-count:-1.5'><span lang=EN-US>chmod 755
.ssh<span
style='mso-spacerun:yes'>
</span><span style='color:gray'>#</span></span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:red'>赋予</span><span lang=EN-US style='color:red'>755</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>权限</span><span lang=EN-US style='color:gray'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:57.75pt;mso-para-margin-left:4.0gd;
text-indent:-15.75pt;mso-char-indent-count:-1.5'><span lang=EN-US>cd .ssh</span></p>
<p class=MsoNormal style='margin-left:57.75pt;mso-para-margin-left:4.0gd;
text-indent:-15.75pt;mso-char-indent-count:-1.5'><span lang=EN-US>#ls –l</span></p>
<p class=MsoNormal style='margin-left:57.75pt;mso-para-margin-left:4.0gd;
text-indent:-15.75pt;mso-char-indent-count:-1.5'><span lang=EN-US
style='color:gray'>id_rsa<span style='mso-spacerun:yes'>
</span>id_rsa.pub<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-left:10.5pt;mso-para-margin-left:
1.0gd;text-align:left'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='margin-left:10.5pt;mso-para-margin-left:
1.0gd;text-align:left'><span lang=EN-US style='color:red'>(4)</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>这一步骤<span style='color:red'>仅在</span></span><span
lang=EN-US style='color:red'>master</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:red'>上执行</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，</span><span style='font-size:9.0pt;
font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:Verdana;
color:black'>下列命令会提示你输入</span><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'>slave1</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:black'>的密码，按照提示输入即可，如果失败可重新尝试执行命令</span></p>
<p class=MsoNormal align=left style='text-align:left;text-indent:22.5pt;
mso-char-indent-count:2.5'><a name="OLE_LINK16"></a><a name="OLE_LINK15"><span
style='mso-bookmark:OLE_LINK16'><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'>cat ~/.ssh/id_rsa.pub >>
~/.ssh/</span></span></a><a name="OLE_LINK6"></a><a name="OLE_LINK5"><span
style='mso-bookmark:OLE_LINK6'><span style='mso-bookmark:OLE_LINK16'><span
style='mso-bookmark:OLE_LINK15'><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'>authorized_keys</span></span></span></span></a><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'><span style='mso-spacerun:yes'> </span><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;text-indent:22.5pt;
mso-char-indent-count:2.5'><span lang=EN-US style='font-size:9.0pt;font-family:
"Verdana","sans-serif";color:gray'>#</span><span style='font-size:9.0pt;
font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:Verdana;
color:gray'>把公用密匙添加到</span><span lang=EN-US style='font-size:9.0pt;font-family:
"Verdana","sans-serif";color:gray'>authorized_keys </span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:gray'>文件中（</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Verdana;mso-hansi-font-family:Verdana;color:#C00000'>此文件最后一定要赋予</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:#C00000'>644</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Verdana;mso-hansi-font-family:Verdana;color:#C00000'>权限</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:gray'>）</span><span lang=EN-US style='font-size:9.0pt;font-family:
"Verdana","sans-serif";color:gray'><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;text-indent:22.5pt;
mso-char-indent-count:2.5'><span lang=EN-US style='font-size:9.0pt;font-family:
"Verdana","sans-serif";color:gray'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:22.5pt;mso-char-indent-count:2.5'><a
name="OLE_LINK23"></a><a name="OLE_LINK2"></a><a name="OLE_LINK1"><span
style='mso-bookmark:OLE_LINK2'><span style='mso-bookmark:OLE_LINK23'><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'>ssh slave1 cat ~/.ssh/id_rsa.pub >> ~/.ssh/</span></span></span></a><a
name="OLE_LINK8"></a><a name="OLE_LINK7"><span style='mso-bookmark:OLE_LINK8'><span
style='mso-bookmark:OLE_LINK23'><span style='mso-bookmark:OLE_LINK2'><span
style='mso-bookmark:OLE_LINK1'><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'>authorized_keys</span></span></span></span></span></a><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:73.5pt;mso-para-margin-left:7.0gd'><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:gray'>#</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Verdana;mso-hansi-font-family:Verdana;color:gray'>上面条命令是把其他</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:gray'>slave</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Verdana;mso-hansi-font-family:Verdana;color:gray'>节点的公钥拷贝到</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:gray'>master</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Verdana;mso-hansi-font-family:Verdana;color:gray'>节点中的</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:gray'>authorized_keys</span><span style='font-size:9.0pt;font-family:
宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:Verdana;color:gray'>，</span><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:gray'>#</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Verdana;mso-hansi-font-family:Verdana;color:gray'>有几个</span><span lang=EN-US
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray'>slave</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:gray'>节点就需要运行几次命令，</span><a name="OLE_LINK12"></a><a
name="OLE_LINK11"><span style='mso-bookmark:OLE_LINK12'><span lang=EN-US
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:red'>slave1</span></span></a><span
style='mso-bookmark:OLE_LINK11'><span style='mso-bookmark:OLE_LINK12'><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:red'>是节点名称</span></span></span><span style='mso-bookmark:OLE_LINK12'></span><span
style='mso-bookmark:OLE_LINK11'></span><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:22.5pt;mso-char-indent-count:2.5'><a
name="OLE_LINK25"></a><a name="OLE_LINK24"></a><a name="OLE_LINK4"></a><a
name="OLE_LINK3"><span style='mso-bookmark:OLE_LINK4'><span style='mso-bookmark:
OLE_LINK24'><span style='mso-bookmark:OLE_LINK25'><span lang=EN-US
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'>scp </span></span></span></span></a><a
name="OLE_LINK14"></a><a name="OLE_LINK13"><span style='mso-bookmark:OLE_LINK14'><span
style='mso-bookmark:OLE_LINK25'><span style='mso-bookmark:OLE_LINK24'><span
style='mso-bookmark:OLE_LINK4'><span style='mso-bookmark:OLE_LINK3'><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'>~/.ssh/authorized_keys slave1:~/.ssh/authorized_keys</span></span></span></span></span></span></a><span
style='mso-bookmark:OLE_LINK25'><span style='mso-bookmark:OLE_LINK24'><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'><o:p></o:p></span></span></span></p>
<span style='mso-bookmark:OLE_LINK24'></span><span style='mso-bookmark:OLE_LINK25'></span>
<p class=MsoNormal style='margin-left:52.5pt;mso-para-margin-left:5.0gd;
text-indent:21.0pt'><a name="OLE_LINK10"></a><a name="OLE_LINK9"><span
style='mso-bookmark:OLE_LINK10'><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:gray'>#</span></span></a><span
style='mso-bookmark:OLE_LINK10'></span><span style='mso-bookmark:OLE_LINK9'></span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:gray'>把</span><span lang=EN-US style='font-size:9.0pt;font-family:
"Verdana","sans-serif";color:gray'>authorized_keys</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:gray'>文件拷贝回每一个节点，</span><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:red'>slave1</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Verdana;mso-hansi-font-family:
Verdana;color:red'>是节点名称</span><span lang=EN-US style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:gray'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span><span style='color:red'>(5)</span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>在</span><span lang=EN-US>master</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>上连接所有</span><span lang=EN-US>slave</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>节点，输入如下命令，上有几个</span><span lang=EN-US>slave</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>节点就要输入几次，注意每次输入后，要返回</span><span lang=EN-US>master</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>节点，重新输入命令：</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:2'> </span><span
style='color:red'>ssh slave1</span><span style='mso-spacerun:yes'>
</span>#</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>需要选择</span><span lang=EN-US>yes/no </span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>选择</span><span lang=EN-US>yes</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>即可</span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>此时</span><span lang=EN-US> ls .ssh </span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>结果如下：</span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
lang=EN-US>authorized_keys<span style='mso-spacerun:yes'>
</span>id_rsa<span style='mso-spacerun:yes'> </span>id_rsa.pub<span
style='mso-spacerun:yes'> </span>known_hosts</span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
lang=EN-US>(6)Hadoop</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>的安装</span><span
lang=EN-US>,</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>将下载好的</span><span lang=EN-US>hadoop-0.20.2.tar.gz</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>文件上传到四台机器上的</span><span lang=EN-US>/usr<span
style='mso-tab-count:1'> </span>
//</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>解压文件</span><span
lang=EN-US>
</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span>
tar <span style='mso-spacerun:yes'> </span>xvfz <span
style='mso-spacerun:yes'> </span>hadoop-0.20.2.tar.gz </span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span>
//</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>如出现问题可以用下面两句代替</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span> gzip
-d hadoop-0.20.2.tar.gz</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span>
tar xvf hadoop-0.20.2.tar</span></p>
<p class=MsoNormal><span lang=EN-US> </span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
lang=EN-US>(7)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>配置</span><span lang=EN-US>/etc/profile </span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>// </span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>以</span><span
lang=EN-US>root</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>登录四台机器，编辑</span><span lang=EN-US>/etc/profile,</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>增加如下内容</span><span lang=EN-US>
</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US>export <span style='mso-spacerun:yes'> </span>HADOOP_HOME=/usr/hadoop-0.20.2
</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US>export PATH=$PATH:$HADOOP_HOME/bin
</span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span
lang=EN-US>(8)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>修改</span><span lang=EN-US>Hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的配置文件</span><span lang=EN-US>,</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>在</span><span
lang=EN-US>hadoop</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>文件的</span><span lang=EN-US>conf</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>文件夹中</span><span lang=EN-US> </span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US>A </span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>、</span><span lang=EN-US
style='color:red'>masters</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>文件里添加如下内容：</span><span
lang=EN-US> </span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd;
text-indent:21.0pt'><span lang=EN-US>192.168.1.102</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US style='color:red'>B</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman";color:red'>、</span><span
lang=EN-US style='color:red'>slaves</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
color:red'>文件添加</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>如下内容：</span><span lang=EN-US
style='color:red'>
<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd;
text-indent:21.0pt'><span lang=EN-US>192.168.1.101</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd;
text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>注：配置</span><span lang=EN-US>IP</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的地方尽量不要用主机名，否则不通用，易出问题。</span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US style='color:red'> </span><span lang=EN-US> </span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>（</span><span lang=EN-US>9</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>）修改以下共</span><span lang=EN-US>3</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>个</span><span lang=EN-US>xml</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>配置文件：</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>首先</span><span lang=EN-US>hadoop-env.sh</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>中添加如下语句：</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd;
text-indent:21.0pt'><span lang=EN-US>export JAVA_HOME=/usr/jdk1.6.0_21</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><b
style='mso-bidi-font-weight:normal'><span lang=EN-US>core-site.xml</span></b><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>添加如下语句在</span><a name="OLE_LINK22"></a><a name="OLE_LINK21"></a><a
name="OLE_LINK20"></a><a name="OLE_LINK19"><span style='mso-bookmark:OLE_LINK20'><span
style='mso-bookmark:OLE_LINK21'><span style='mso-bookmark:OLE_LINK22'><span
lang=EN-US><configuration></span></span></span></span></a><span
style='mso-bookmark:OLE_LINK21'><span style='mso-bookmark:OLE_LINK22'><span
lang=EN-US></configuration></span></span></span><span style='mso-bookmark:
OLE_LINK21'><span style='mso-bookmark:OLE_LINK22'><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>之间</span></span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>：</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:1'> </span><property></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:2'> </span><name>fs.default.name</name></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:2'> </span><value>hdfs://
192.168.1.102:9000</value></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:1'> </span></
property ></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>注意，这样配成</span><span lang=EN-US>IP 192.168.1.102</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，不要用主机名</span><span lang=EN-US>master</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>，</span> <span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>否则</span><span
lang=EN-US>eclipse</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>里连接不上。</span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span></span><span lang=EN-US
style='font-size:11.0pt;font-family:"Cambria","serif";mso-fareast-font-family:
SimSun-Identity-H;mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'><property><o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-left:42.0pt;mso-para-margin-left:
4.0gd;text-align:left;mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='font-size:11.0pt;font-family:"Cambria","serif";mso-fareast-font-family:
SimSun-Identity-H;mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'><name>hadoop.tmp.dir</name><o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-left:42.0pt;mso-para-margin-left:
4.0gd;text-align:left;mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='font-size:11.0pt;font-family:"Cambria","serif";mso-fareast-font-family:
SimSun-Identity-H;mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'><value>/home/hexianghui/tmp</value><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd;
text-indent:11.0pt;mso-char-indent-count:1.0'><span lang=EN-US
style='font-size:11.0pt;font-family:"Cambria","serif";mso-fareast-font-family:
SimSun-Identity-H;mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'></property></span><span
lang=EN-US style='font-family:"Cambria","serif"'> <o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><b
style='mso-bidi-font-weight:normal'><span lang=EN-US>mapred-site.xml</span></b><a
name="OLE_LINK18"></a><a name="OLE_LINK17"><span style='mso-bookmark:OLE_LINK18'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>添加如下语句在</span><span lang=EN-US><configuration></configuration></span></span></a><span
style='mso-bookmark:OLE_LINK17'><span style='mso-bookmark:OLE_LINK18'><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>之间：</span></span></span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US><span style='mso-tab-count:1'> </span><property></span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US><span style='mso-tab-count:2'> </span><name>mapred.job.tracker</name></span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US><span style='mso-tab-count:2'> </span><value>192.168.1.102:9001</value></span></p>
<p class=MsoNormal style='margin-left:31.5pt;mso-para-margin-left:3.0gd'><span
lang=EN-US><span style='mso-tab-count:1'> </span></property></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><b
style='mso-bidi-font-weight:normal'><span lang=EN-US>hdfs-site.xml</span></b><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>添加如下语句在</span><span lang=EN-US><configuration></configuration></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>之间，</span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:
SimSun-Identity-H;mso-font-kerning:0pt'>replication </span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:SimSun-Identity-H;
mso-font-kerning:0pt'>默认为<span lang=EN-US>3</span>，如果不修改，<span lang=EN-US>datanode
</span>少于三台就会报错</span><b style='mso-bidi-font-weight:normal'><span lang=EN-US
style='font-family:宋体'><o:p></o:p></span></b></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:1'> </span><span
style='mso-tab-count:1'> </span><property></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:2'> </span><span
style='mso-tab-count:1'> </span><name>dfs.replication</name></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:2'> </span><span
style='mso-tab-count:1'> </span><value>1</value></span></p>
<p class=MsoNormal style='margin-left:21.0pt;mso-para-margin-left:2.0gd'><span
lang=EN-US><span style='mso-tab-count:1'> </span><span
style='mso-tab-count:1'> </span></property></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='color:red'>10</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>、配置好的</span><span lang=EN-US style='color:red'>hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>发送到</span><span lang=EN-US style='color:red'>salve1</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>上：</span><span lang=EN-US style='color:red'><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:22.5pt;mso-char-indent-count:2.5'><span
lang=EN-US style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'>Scp -r /usr/hadoop/hadoop-0.20.2 slave1:/usr/hadoop/<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt;mso-char-indent-count:1.5'><span
lang=EN-US>(11)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>配置好后在</span><span lang=EN-US>master</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>机器上进入</span><span lang=EN-US>hadoop</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的</span><span lang=EN-US>bin</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>目录</span><span
lang=EN-US> </span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>格式化文件系统</span><span lang=EN-US>(</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>一定要</span><span lang=EN-US>) </span></p>
<p class=MsoNormal style='margin-left:42.0pt'><span lang=EN-US>./hadoop
namenode -format #</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>格式化文件系统</span></p>
<p class=MsoNormal><span lang=EN-US><span
style='mso-spacerun:yes'> </span>./start-all.sh
<span
style='mso-spacerun:yes'> </span>#</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>启动</span><span lang=EN-US>namenode</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>上的</span><span lang=EN-US>hadoop </span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-spacerun:yes'>
</span></span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>确保</span><span lang=EN-US>9001</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>和</span><span lang=EN-US>9000</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>端口是通的。</span>
</p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span lang=EN-US
style='font-size:12.0pt;color:red'>jps<span style='mso-spacerun:yes'>
</span></span></b><b style='mso-bidi-font-weight:normal'><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman";color:red'>查看是否启动正常！</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:12.0pt;
color:red'><span style='mso-spacerun:yes'> </span><o:p></o:p></span></b></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt;mso-char-indent-count:1.5'><span
lang=EN-US>(12)</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>查看</span><span lang=EN-US>50070,54310,50030</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>端口是否启动</span><span lang=EN-US> </span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>或者远程访问如下链接</span><span lang=EN-US> </span></p>
<p class=MsoNormal style='text-indent:15.75pt;mso-char-indent-count:1.5'><span
lang=EN-US>#1080 </span></p>
<p class=MsoNormal style='text-indent:15.75pt;mso-char-indent-count:1.5'><span
lang=EN-US>#50030</span></p>
<p class=MsoNormal style='text-indent:15.75pt;mso-char-indent-count:1.5'><span
lang=EN-US>#50060</span></p>
<p class=MsoNormal style='text-indent:15.75pt;mso-char-indent-count:1.5'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:21.0pt;text-indent:21.0pt'><span
lang=EN-US><span style='mso-spacerun:yes'> </span>netstat
-tnl </span></p>
<p class=MsoNormal style='margin-left:42.0pt;mso-para-margin-left:4.0gd'><span
lang=EN-US>http://master:50070</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>访问</span><span
lang=EN-US> </span></p>
<p class=MsoNormal style='margin-left:42.0pt;mso-para-margin-left:4.0gd'><span
lang=EN-US>http://master:50030<span style='mso-tab-count:1'> </span></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005282"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>五、打开</span><span
lang=EN-US>9000</span></a><span style='mso-bookmark:_Toc322005282'><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>和</span><span
lang=EN-US>9001</span></span><span style='mso-bookmark:_Toc322005282'><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria'>端口方法</span></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:17.25pt;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>首先，我们需要在</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'>CentOS</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>系统中编辑</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'>iptables Java</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>代码</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'><br>
vi /etc/sysconfig/iptables-config<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:17.25pt;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>然后在</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'>CentOS</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>系统中添加</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'> Java</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>代码</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'><br>
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 9000 -j
ACCEPT <br>
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 9001 -j
ACCEPT<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:17.25pt;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>最后</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'>CentOS</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>系统要重新启动服务</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'> Java</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>代码</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'><br>
/sbin/service iptables restart <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:17.25pt;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>查看端口是否开放</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'> Java</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;
mso-bidi-font-family:Tahoma;color:#444444;mso-font-kerning:0pt'>代码</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:17.25pt;mso-pagination:widow-orphan'><span lang=EN-US>netstat –anp|grep
900</span><span lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";
color:#444444;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
line-height:17.25pt;mso-pagination:widow-orphan'><span lang=EN-US
style='mso-bidi-font-size:10.5pt;font-family:"Tahoma","sans-serif";color:#444444;
mso-font-kerning:0pt'>/sbin/iptables -L -n<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005283"><span
style='font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:Cambria;
mso-font-kerning:0pt'>六：常遇问题解决办法</span></a><span style='mso-bookmark:_Toc322005283'></span><span
lang=EN-US style='mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoSubtitle align=left style='margin-left:20.25pt;text-align:left;
text-indent:-20.25pt;mso-list:l1 level1 lfo1'><a name="_Toc322005284"><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;line-height:130%;mso-fareast-font-family:
Cambria;mso-bidi-font-family:Cambria'><span style='mso-list:Ignore'>1、<span
style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span
style='font-size:12.0pt;line-height:130%;font-family:宋体;mso-ascii-font-family:
Cambria;mso-hansi-font-family:Cambria'>关闭防火墙，每台机子都要关</span></a><span
style='mso-bookmark:_Toc322005284'></span><span lang=EN-US style='font-size:
12.0pt;line-height:130%'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";
color:#4B4B4B'>/etc/init.d/iptables stop<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p>开机就不启动防火墙<span lang=EN-US>:</span></p>
<p><span lang=EN-US>vi /etc/sysconfig/selinux<br>
#</span>修改为<span lang=EN-US> SELinux=disable<br>
<br>
service iptables stop<br>
chkconfig iptables off<br>
<br>
reboot</span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>这样开机就不启动防火墙了。</span><span
lang=EN-US style='font-size:12.0pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:12.0pt;font-family:宋体;
mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'>注：如果防火墙未关，可能出现如下错误：<span
lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:12.0pt;font-family:
宋体;mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'>File
/home/hexianghui/tmp/mapred/system/jobtracker.info could only be<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:12.0pt;font-family:
宋体;mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'>replicated to 0
nodes, instead of 1</span><span style='font-size:12.0pt;font-family:宋体;
mso-bidi-font-family:SimSun-Identity-H;mso-font-kerning:0pt'>。</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p> </o:p></span></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005285"><strong><span
lang=EN-US style='font-size:12.0pt;line-height:130%;font-family:"Cambria","serif"'>2</span></strong></a><span
style='mso-bookmark:_Toc322005285'><strong><span style='font-size:12.0pt;
line-height:130%;font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:
Cambria'>、修改主机名和设置固定</span></strong></span><span style='mso-bookmark:_Toc322005285'><strong><span
lang=EN-US style='font-size:12.0pt;line-height:130%;font-family:"Cambria","serif"'>IP</span></strong></span><strong><span
lang=EN-US style='font-size:12.0pt;line-height:130%;font-family:"Cambria","serif"'><o:p></o:p></span></strong></p>
<p class=MsoNormal><strong><span lang=EN-US style='font-size:12.0pt;mso-bidi-font-weight:
normal'><span style='mso-spacerun:yes'> </span><o:p></o:p></span></strong></p>
<p class=MsoNormal><strong><span style='font-size:12.0pt;font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
font-weight:normal'>修改主机名</span></strong><strong><span lang=EN-US
style='font-size:12.0pt;font-weight:normal'><span
style='mso-spacerun:yes'> </span>vi<span style='mso-spacerun:yes'>
</span></span></strong><strong><span lang=EN-US style='font-size:12.0pt;
font-weight:normal;mso-bidi-font-weight:bold'>/etc/sysconfig/network</span></strong><strong><span
lang=EN-US style='font-size:12.0pt;font-weight:normal'><o:p></o:p></span></strong></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:6.0pt;mso-char-indent-count:.5'><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>设默认</span><span lang=EN-US
style='font-size:12.0pt'>IP<span style='mso-spacerun:yes'>
</span>vi<span style='mso-spacerun:yes'> </span>/etc/sysconfig/network-scripts/ifcfg-eth0<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>DEVICE=eth0 <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>#BOOTPROTO=dhcp <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>BOOTPROTO=static <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>IPADDR=192.168.131.50
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>NETMASK=255.255.255.0
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>TYPE=Ethernet <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>HWADDR=XX:XX:XX:XX:XX:XX
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>ONBOOT=yes<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>最后重启服务</span><span
lang=EN-US style='font-size:12.0pt'>service network restart<o:p></o:p></span></p>
<p class=MsoNormal><strong><span lang=EN-US style='font-size:12.0pt;font-family:
宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'><o:p> </o:p></span></strong></p>
<p class=MsoNormal><strong><span lang=EN-US style='font-size:12.0pt;font-family:
宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'><o:p> </o:p></span></strong></p>
<p class=MsoSubtitle align=left style='text-align:left'><a name="_Toc322005286"><strong><span
lang=EN-US style='font-size:12.0pt;line-height:130%;font-family:"Cambria","serif"'>3</span></strong></a><span
style='mso-bookmark:_Toc322005286'><strong><span style='font-size:12.0pt;
line-height:130%;font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:
Cambria'>、更换</span></strong></span><span style='mso-bookmark:_Toc322005286'><strong><span
lang=EN-US style='font-size:12.0pt;line-height:130%;font-family:"Cambria","serif"'>IP</span></strong></span><span
style='mso-bookmark:_Toc322005286'><strong><span style='font-size:12.0pt;
line-height:130%;font-family:宋体;mso-ascii-font-family:Cambria;mso-hansi-font-family:
Cambria'>需要做什么？</span></strong></span><span style='mso-bookmark:_Toc322005286'></span><strong><span
lang=EN-US style='font-size:12.0pt;line-height:130%;font-family:"Cambria","serif"'><o:p></o:p></span></strong></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><span
style='mso-tab-count:1'> </span></span><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>如果</span><span lang=EN-US
style='font-size:12.0pt'>master</span><span style='font-size:12.0pt;font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>或</span><span
lang=EN-US style='font-size:12.0pt'>slave</span><span style='font-size:12.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的</span><span lang=EN-US style='font-size:12.0pt'>IP</span><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>换了，需要做如下操作：</span><span lang=EN-US
style='font-size:12.0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;mso-fareast-font-family:"Times New Roman"'><span
style='mso-list:Ignore'>1、<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>清空</span><span lang=EN-US
style='font-size:12.0pt'>Hadoop</span><span style='font-size:12.0pt;font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>临时目录</span><span
lang=EN-US style='font-size:12.0pt'> /home/hadoop/tmp<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;mso-fareast-font-family:"Times New Roman"'><span
style='mso-list:Ignore'>2、<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>重新执行</span><span lang=EN-US
style='font-size:12.0pt'>hadoop namenode –format </span><span style='font-size:
12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>格式化</span><span lang=EN-US style='font-size:12.0pt'>HDFS</span><span
style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>。</span><span lang=EN-US
style='font-size:12.0pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>后果，</span><span
lang=EN-US style='font-size:12.0pt'>HDFS</span><span style='font-size:12.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>上的目录文件会丢失。</span><span lang=EN-US style='font-size:12.0pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-family:宋体'><o:p> </o:p></span></p>
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标签：des style http java color 使用
原文地址：http://blog.csdn.net/hello_world_it/article/details/37901289
