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vim修复：

修复前提，你到UBUNTU可以联网，否则只能卸载，不能安装

1.sudo apt-get remove vim-common

2.sudo apt-get install vim

telnet：

开启telnet:

1.首先安装必要telnet

在终端输入命令：sudo apt-get install xinetd telnetd

2.配置

1）sudo vi/etc/inetd.conf 并加入以下一行

telnet stream tcp nowait telnetd/usr/sbin/tcpd /usr/sbin/in.telnetd

2）输入sudo vi/etc/xinetd.conf并加入内容：

# Simple configuration file for xinetd

    #

    #Some defaults, and include /etc/xinetd.d/

   defaults

    {

    #Please note that you need a log_type line to be able to use log_on_success

    #and log_on_failure. The default is the following :

    #log_type = SYSLOG daemon info

   instances = 60

   log_type = SYSLOG authpriv

   log_on_success = HOST PID

   log_on_failure = HOST

   cps = 25 30

    }

   includedir /etc/xinetd.d

3）sudo vi/etc/xinetd.d/telnet并加入以下内容：

# default: on

    #description: The telnet server serves telnet sessions; it uses \

    #unencrypted username/password pairs for authentication.

   service telnet

   {   

   disable = no

   flags = REUSE

   socket_type = stream

   wait = no

   user = root

    server = /usr/sbin/in.telnetd

    log_on_failure += USERID

    }

4）重启网络服务sudo/etc/init.d/xinetd restart

5）即可在另一台客户端上登录开启TTELNET的服务器

关闭telnet:

1.ctrl + ] 回车

2.quit退出

ubuntu更新源：

sudo cp /etc/apt/sources.list/etc/apt/sources.list.backup

sudo gedit /etc/apt/sources.list

将下面源复制到sources.list即可

deb http://mirrors.163.com/ubuntu/ precisemain universe restricted multiverse

deb-src http://mirrors.163.com/ubuntu/precise main universe restricted multiverse

deb http://mirrors.163.com/ubuntu/precise-security universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/precise-security universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ precise-updatesuniverse main multiverse restricted

deb http://mirrors.163.com/ubuntu/precise-proposed universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/precise-proposed universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/precise-backports universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/precise-backports universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/precise-updates universe main multiverse restricted

vim修复，telnet安装启动，linux更新软件源,布布扣,bubuko.com

vim修复，telnet安装启动，linux更新软件源

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原文地址：http://blog.csdn.net/walkerkalr/article/details/34421501