摘要：
首先第一步是设置ubuntu server 12.04版更新源，推荐中科大的比较快：deb http://debian.ustc.edu.cn/ubuntu/ precise main multiverse restricted universedeb http://debian.ustc.edu.cn/ubuntu/ precise-backports main multiverse restricted universedeb http://debian.ustc.edu.cn/ubuntu/ precise-proposed main multiverse restricted univ 阅读全文