首先,使用su - root切換至超級使用者權限;然後,vim /etc/apt/sources.list,打開源清單檔案,這裡沒有進行備份,如果需要,也可以用cp指令進行下備份;将以下所示的源清單之一全部複制到sources.list檔案中,替換原有内容;最後,儲存并關閉已經打開的source.list檔案,在終端輸入sudo apt-get update指令,網易源 速度很快。
·deb http://mirrors.163.com/ubuntu/ precise main 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-updates universe 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