ubuntu 官方源 | sources.list

这里只记录官方源，就是以 .ubuntu.com 形式的源，其他源就不用了，还是官方的靠谱

2012年3月追加11.10官方源

deb http://security.ubuntu.com/ubuntu oneiric-security main restricted
deb-src http://security.ubuntu.com/ubuntu oneiric-security main restricted
deb http://security.ubuntu.com/ubuntu oneiric-security universe
deb-src http://security.ubuntu.com/ubuntu oneiric-security universe
deb http://security.ubuntu.com/ubuntu oneiric-security multiverse
deb-src http://security.ubuntu.com/ubuntu oneiric-security multiverse

2012年3月4日追加12.04官方源

deb http://archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ precise-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ precise-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse

如提示:
W: GPG 错误：http://archive.ubuntu.com precise Release: 由于没有公钥，无法验证下列签名： NO_PUBKEY 40976EAF437D05B5
则执行：sudo apt-key adv –keyserver keyserver.ubuntu.com –recv 40976EAF437D05B5

清理 apt deb 缓存文件，释放磁盘空间

apt-get clean