ubuntu12.04 precise更新源

  1. 首先备份Ubuntu12.04源列表
    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 (打开Ubuntu 12.04源列表文件)
  3. 把里面的列表替换成下面的列表

    163源

    deb http://mirrors.163.com/ubuntu/ precise main restricted
    deb-src http://mirrors.163.com/ubuntu/ precise main restricted
    deb http://mirrors.163.com/ubuntu/ precise-updates main restricted
    deb-src http://mirrors.163.com/ubuntu/ precise-updates main restricted
    deb http://mirrors.163.com/ubuntu/ precise universe
    deb-src http://mirrors.163.com/ubuntu/ precise universe
    deb http://mirrors.163.com/ubuntu/ precise-updates universe
    deb-src http://mirrors.163.com/ubuntu/ precise-updates universe
    deb http://mirrors.163.com/ubuntu/ precise multiverse
    deb-src http://mirrors.163.com/ubuntu/ precise multiverse
    deb http://mirrors.163.com/ubuntu/ precise-updates multiverse
    deb-src http://mirrors.163.com/ubuntu/ precise-updates multiverse
    deb http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
    deb-src http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
    deb http://mirrors.163.com/ubuntu/ precise-security main restricted
    deb-src http://mirrors.163.com/ubuntu/ precise-security main restricted
    deb http://mirrors.163.com/ubuntu/ precise-security universe
    deb-src http://mirrors.163.com/ubuntu/ precise-security universe
    deb http://mirrors.163.com/ubuntu/ precise-security multiverse
    deb-src http://mirrors.163.com/ubuntu/ precise-security multiverse
    deb http://extras.ubuntu.com/ubuntu precise main
    deb-src http://extras.ubuntu.com/ubuntu precise main
  4. 更新源
    sudo apt-get update

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