#查看原来的yum源 [root@redhat home]# rpm -qa|grep yum yum-3.2.29-40.el6.noarch yum-rhn-plugin-0.9.1-48.el6.noarch yum-metadata-parser-1.1.2-16.el6.x86_64 #卸载 [root@redhat home]# rpm -qa|grep yum |xargs rpm -e error: Failed dependencies: yum is needed by (installed) rhn-client-tools-1.0.0.1-16.el6.noarch yum >= 3.2.19-15 is needed by (installed) subscription-manager-1.9.11-1.el6.x86_64 yum-rhn-plugin >= 0.9.1-35 is needed by (installed) rhn-check-1.0.0.1-16.el6.noarch #强制卸载 [root@redhat home]# rpm -qa|grep yum |xargs rpm -e --nodeps #查看已经卸载完成 [root@redhat home]# rpm -qa|grep yum
#直接在centos镜像提取的包
1. python-urlgrabber-3.9.1-11.el6.noarch.rpm 2. yum-metadata-parser-1.1.2-16.el6.x86_64.rpm 3. yum-3.2.29-81.el6.centos.noarch.rpm 4. yum-plugin-fastestmirror-1.1.30-40.el6.noarch.rpm #3与4一起安装
#如果无法上传就安装一个lrzsz,用完不需要可以卸载了 #下载包的目录 http://rpm.pbone.net/index.php3/stat/4/idpl/40679993/dir/centos_6/com/lrzsz-0.12.20-27.1.el6.x86_64.rpm.html #直接下载 wget ftp://mirror.switch.ch/pool/4/mirror/centos/6.9/os/x86_64/Packages/lrzsz-0.12.20-27.1.el6.x86_64.rpm #wget也没有，那就用curl下载 [root@redhat software]# curl -O ftp://mirror.switch.ch/pool/4/mirror/centos/6.9/os/x86_64/Packages/lrzsz-0.12.20-27.1.el6.x86_64.rpm % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 72436 100 72436 0 0 3486 0 0:00:20 0:00:20 --:--:-- 69052 [root@redhat software]# ls lrzsz-0.12.20-27.1.el6.x86_64.rpm [root@redhat software]# rpm -ivh lrzsz-0.12.20-27.1.el6.x86_64.rpm warning: lrzsz-0.12.20-27.1.el6.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID c105b9de: NOKEY Preparing... ########################################### [100%] 1:lrzsz ########################################### [100%]
#安装yum包,有依赖关系，那么从头开始安装 [root@redhat yum]# rpm -ivh yum-3.2.29-81.el6.centos.noarch.rpm warning: yum-3.2.29-81.el6.centos.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY error: Failed dependencies: python-urlgrabber >= 3.9.1-10 is needed by yum-3.2.29-81.el6.centos.noarch yum-metadata-parser >= 1.1.0 is needed by yum-3.2.29-81.el6.centos.noarch yum-plugin-fastestmirror is needed by yum-3.2.29-81.el6.centos.noarch [root@redhat yum]# rpm -ivh python-urlgrabber-3.9.1-11.el6.noarch.rpm ------------------------------------------------------------------------------------------------------- #python-urlgrabber,已经存在，版本较低，那就升级了 [root@redhat yum]# rpm -ivh python-urlgrabber-3.9.1-11.el6.noarch.rpm warning: python-urlgrabber-3.9.1-11.el6.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Preparing... ########################################### [100%] file /usr/lib/python2.6/site-packages/urlgrabber/grabber.py from install of ... python-urlgrabber-3.9.1-9.el6.noarch file /usr/lib/python2.6/site-packages/urlgrabber/grabber.pyc from install of ...python-urlgrabber-3.9.1-9.el6.noarch file /usr/lib/python2.6/site-packages/urlgrabber/grabber.pyo from install of ...conflictspython-urlgrabber-3.9.1-9.el6.noarch file /usr/lib/python2.6/site-packages/urlgrabber/progress.pyc from install of ...python-urlgrabber-3.9.1-9.el6.noarch file /usr/lib/python2.6/site-packages/urlgrabber/progress.pyo from install of ...python-urlgrabber-3.9.1-9.el6.noarch [root@redhat yum]# rpm -qa |grep python-urlgrabber python-urlgrabber-3.9.1-9.el6.noarch #升级 [root@redhat yum]# rpm -Uvh python-urlgrabber-3.9.1-11.el6.noarch.rpm warning: python-urlgrabber-3.9.1-11.el6.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Preparing... ########################################### [100%] 1:python-urlgrabber ########################################### [100%] [root@redhat yum]# rpm -qa |grep python-urlgrabber python-urlgrabber-3.9.1-11.el6.noarch ------------------------------------------------------------------------------------------------------- #2.yum-metadata-parse [root@redhat yum]# rpm -ivh yum-metadata-parser-1.1.2-16.el6.x86_64.rpm warning: yum-metadata-parser-1.1.2-16.el6.x86_64.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Preparing... ########################################### [100%] 1:yum-metadata-parser ########################################### [100%] #3.yum-plugin-fastestmirror，与yum想互依赖 [root@redhat yum]# rpm -ivh yum-plugin-fastestmirror-1.1.30-40.el6.noarch.rpm warning: yum-plugin-fastestmirror-1.1.30-40.el6.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY error: Failed dependencies: yum >= 3.0 is needed by yum-plugin-fastestmirror-1.1.30-40.el6.noarch [root@redhat yum]# rpm -ivh yum-3.2.29-81.el6.centos.noarch.rpm warning: yum-3.2.29-81.el6.centos.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY error: Failed dependencies: yum-plugin-fastestmirror is needed by yum-3.2.29-81.el6.centos.noarch #唯有一起安装了 [root@redhat yum]# rpm -ivh yum-3.2.29-81.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-40.el6.noarch.rpm warning: yum-3.2.29-81.el6.centos.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Preparing... ########################################### [100%] 1:yum-plugin-fastestmirro########################################### [ 50%] 2:yum ########################################### [100%]
#下载阿里云的yum源，版本是Centos6 [root@redhat ~]# curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 102 2572 102 2572 0 0 39592 0 --:--:-- --:--:-- --:--:-- 91857 #建立缓存的时候出现这个错误 [root@redhat yum.repos.d]# yum makecache Loaded plugins: fastestmirror, product-id, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Repository base is listed more than once in the configuration Repository updates is listed more than once in the configuration Repository extras is listed more than once in the configuration Repository centosplus is listed more than once in the configuration Repository contrib is listed more than once in the configuration Determining fastest mirrors * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com http://mirrors.aliyun.com/centos/%24releasever/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found" Trying other mirror. To address this issue please refer to the below knowledge base article https://access.redhat.com/articles/1320623 If above article doesn't help to resolve this issue please open a ticket with Red Hat Support. http://mirrors.aliyuncs.com/centos/%24releasever/os/x86_64/repodata/repomd.xml: [Errno 12] Timeout on http://mirrors.aliyuncs.com/centos/%24releasever/os/x86_64/repodata/repomd.xml: (28, 'connect() timed out!') Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again #http://mirrors.aliyuncs.com/centos/%24releasever/os/x86_64/repodata/repomd.xml， 发现这链接不对，版本号没有显示，那么就手动改吧。 ------------------------------------------------------------------------------------------------------- #清空所有的缓存 [root@redhat yum.repos.d]# yum clean all Loaded plugins: fastestmirror, product-id, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Cleaning repos: base extras updates Cleaning up Everything Cleaning up list of fastest mirrors \#虽然提示没有注册，但是并不影响使用， #重新建立缓存 [root@redhat yum.repos.d]# yum makecache Loaded plugins: fastestmirror, product-id, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Determining fastest mirrors * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com base | 3.7 kB 00:00 base/group_gz | 226 kB 00:00 base/filelists_db | 6.4 MB 00:01 base/primary_db | 4.7 MB 00:01 base/other_db | 2.8 MB 00:00 extras | 3.4 kB 00:00 extras/filelists_db | 26 kB 00:00 extras/prestodelta | 1.7 kB 00:00 extras/primary_db | 30 kB 00:00 extras/other_db | 32 kB 00:00 updates | 3.4 kB 00:00 updates/filelists_db | 4.7 MB 00:00 updates/prestodelta | 270 kB 00:00 updates/primary_db | 7.5 MB 00:00 updates/other_db | 108 MB 00:14 Metadata Cache Created #安装一个vim试试 [root@redhat yum.repos.d]# yum -y install vim Loaded plugins: fastestmirror, product-id, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Setting up Install Process Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com Resolving Dependencies --> Running transaction check .........省略............ Complete!
原文地址：http://blog.51cto.com/hongdouzi555/2119856
