摘要： 先备份，然后 修改/etc/apt/sources.list如题：#官方的Ubuntu 10.10要保留几个用于紧急更新deb http://security.Ubuntu.com/ubuntu maverick-security main restricteddeb-src http://security.Ubuntu.com/ubuntu maverick-security main restricteddeb http://security.Ubuntu.com/ubuntu maverick-security universedeb-src http://security.Ubuntu 阅读全文