在解决方向键为大写ABCD时安装vim 我的是Ubuntu 10.10 老版本

输入 sudo apt-get install vim 时出现 Package 'vim' has no installation candidate 

解决此问题看了两个博客

http://blog.chinaunix.net/uid-26285146-id-3890490.html     这个最后解决了问题

 

http://blog.163.com/liuzhuqing_508/blog/static/606213512012111311532835/

 

 

 

E: Package 'vim' has no installation candidate


总体来说就是E:
Package 'packagename' has no installation candidate

update时发现报错

E: Some index files failed to download, they have been ignored, or old ones used instead.



想了想应该是不支持老版本ubuntu了,但是又不想在虚拟机装个12+以上的版本 ,遂寻找支持老版本的办法,发现一枚!

 deb http://old-releases.ubuntu.com/ubuntu jaunty main restricted universe

将这一行粘帖到你的源文件中,即/etc/apt/sources.list

 

然后观察你第一行的代码,版本为maverick,将其替换jaunty 即 deb http://old-releases.ubuntu.com/ubuntu maverick main restricted universe

修改以后的源为(10.10,其他源修改类似)

  • deb http://old-releases.ubuntu.com/ubuntu maverick main restricted universe
  • #deb http://Ubuntu.uestc.edu.cn/ubuntu/ maverick main restricted universe multiverse
  • deb http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-backports main restricted universe multiverse
  • deb http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-proposed main restricted universe multiverse
  • deb http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-security main restricted universe multiverse
  • deb http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-updates main restricted universe multiverse
  • deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ maverick main restricted universe multiverse
  • deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-backports main restricted universe multiverse
  • deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-proposed main restricted universe multiverse
  • deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-security main restricted universe multiverse
  • deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ maverick-updates main restricted universe multiverse

  • 一定要执行
    sudo spt-get update    应该能够成功了

     

    再不成功再看

     

     如何更改源呢?


    1首先备份Ubuntu 8.04 的当前更新源列表(以备不测)

          sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup (备份下当前的源列表)

    2、修改更新源
         sudo gedit /etc/apt/sources.list
    3在里面我选择在后面添加源;

    4、通知Ubuntu 11.10 启用新的更新源
         sudo apt-get update

     

     

    我的终端命令如图:

    root@ubuntu:~# sudo apt-get update

     

     

    E: Package <packagename> has no installation candidate错误,于是便开始google,寻找原因。但苦苦追寻,能查到的都是
    一些叫我们输入指令的语句 如sudo apt-get update等之类的命令,但该命令不管用。这是因为在我们的/etc/apt/sources.list
    文件下,拥有的是只是一些系统初装的源,后期的一些源还是得自己添加的,不然网上的很多资源包都是无法使用的。下面我就贴上
    我在网站上找到的各种源。

    sources.list(源)

    位置:/etc/apt/sources.list

     

    常见的源:

    1 中国科技大学源

    deb http://debian.ustc.edu.cn/ubuntu/ hardy main multiverse restricted universe
    deb http://debian.ustc.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
    deb http://debian.ustc.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
    deb http://debian.ustc.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
    deb http://debian.ustc.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
    deb-src http://debian.ustc.edu.cn/ubuntu/ hardy main multiverse restricted universe
    deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
    deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
    deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
    deb-src http://debian.ustc.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe

     

    2 北京交大源

    deb http://mirror.bjtu.edu.cn/Ubuntu/ hardy main restricted universe multiverse
    deb http://mirror.bjtu.edu.cn/Ubuntu/ hardy-backports restricted universe multiverse
    deb http://mirror.bjtu.edu.cn/Ubuntu/ hardy-proposed main restricted universe multiverse
    deb http://mirror.bjtu.edu.cn/Ubuntu/ hardy-security main restricted universe multiverse
    deb http://mirror.bjtu.edu.cn/Ubuntu/ hardy-updates main restricted universe multiverse
    deb-src http://mirror.bjtu.edu.cn/Ubuntu/ hardy main restricted universe multiverse
    deb-src http://mirror.bjtu.edu.cn/Ubuntu/ hardy-backports main restricted universe multiverse
    deb-src http://mirror.bjtu.edu.cn/Ubuntu/ hardy-proposed main restricted universe multiverse
    deb-src http://mirror.bjtu.edu.cn/Ubuntu/ hardy-security main restricted universe multiverse
    deb-src http://mirror.bjtu.edu.cn/Ubuntu/ hardy-updates main restricted universe multiverse

     

    3 台湾大学源

    deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy main restricted universe multiverse
    deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy main restricted universe multiverse
    deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-updates main restricted universe multiverse
    deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-updates main restricted universe multiverse
    deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-backports main restricted universe multiverse
    deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-backports main restricted universe multiverse
    deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-security main restricted universe multiverse
    deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-security main restricted universe multiverse
    deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-proposed main multiverse restricted universe
    deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ hardy-proposed main restricted universe multiverse

    4 CN99源

    deb http://Ubuntu.cn99.com/ubuntu/ hardy main restricted universe multiverse
    deb http://Ubuntu.cn99.com/ubuntu/ hardy-security main restricted universe multiverse
    deb http://Ubuntu.cn99.com/ubuntu/ hardy-updates main restricted universe multiverse
    deb http://Ubuntu.cn99.com/ubuntu/ hardy-proposed main restricted universe multiverse
    deb http://Ubuntu.cn99.com/ubuntu/ hardy-backports main restricted universe multiverse
    deb-src http://Ubuntu.cn99.com/ubuntu/ hardy main restricted universe multiverse
    deb-src http://Ubuntu.cn99.com/ubuntu/ hardy-security main restricted universe multiverse
    deb-src http://Ubuntu.cn99.com/ubuntu/ hardy-updates main restricted universe multiverse
    deb-src http://Ubuntu.cn99.com/ubuntu/ hardy-proposed main restricted universe multiverse
    deb-src http://Ubuntu.cn99.com/ubuntu/ hardy-backports main restricted universe multiverse

     

    5 Lupaworld源

    deb http://mirror.lupaworld.com/ubuntu hardy main restricted universe multiverse
    deb http://mirror.lupaworld.com/ubuntu hardy-security main restricted universe multiverse
    deb http://mirror.lupaworld.com/ubuntu hardy-updates main restricted universe multiverse
    deb http://mirror.lupaworld.com/ubuntu hardy-backports main restricted universe multiverse
    deb http://mirror.lupaworld.com/ubuntu hardy-proposed main restricted universe multiverse
    deb-src http://mirror.lupaworld.com/ubuntu hardy main restricted universe multiverse
    deb-src http://mirror.lupaworld.com/ubuntu hardy-security main restricted universe multiverse
    deb-src http://mirror.lupaworld.com/ubuntu hardy-updates main restricted universe multiverse
    deb-src http://mirror.lupaworld.com/ubuntu hardy-backports main restricted universe multiverse
    deb-src http://mirror.lupaworld.com/ubuntu hardy-proposed main restricted universe multiverse

    (注释:deb代表的是我们需要的deb软件包,deb-src 是指下载源代码得指示。之后是包的来源地址,再在后面是系统的标记。之后的main代表的是主要软件包,universe是不被官方支持的自由软件。)

     

                                             如何更改源呢?


    1首先备份Ubuntu 8.04 的当前更新源列表(以备不测)

          sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup (备份下当前的源列表)

    2、修改更新源
         sudo gedit /etc/apt/sources.list
    3在里面我选择在后面添加源;

    4、通知Ubuntu 11.10 启用新的更新源
         sudo apt-get update

     

     

    我的终端命令如图:

    root@ubuntu:~# sudo apt-get update

     

     

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