第一种:ubuntu
sudo vim /etc/resolv.conf vim
添加nameserver 8.8.8.8rest
第二种:server
/etc/apt/sources.list 的内容换成get
deb http://old-releases.ubuntu.com/ubuntu/ raring main universe restricted multiverseit
deb-src http://old-releases.ubuntu.com/ubuntu/ raring main universe restricted multiversesed
deb http://old-releases.ubuntu.com/ubuntu/ raring-security main universe restricted multiversedate
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-security main universe restricted multiverseim
deb http://old-releases.ubuntu.com/ubuntu/ raring-updates main universe restricted multiversevi
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-updates main universe restricted multiverse
deb http://old-releases.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse
而后sudo apt-get update一下就行啦。。。。