如何修改CenOS 默认的repos
[root@localhost ~]# cd /etc/yum.repos.d/[root@localhost yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.backup[root@localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS6-Base-163.repo[root@localhost yum.repos.d]# mv CentOS6-Base-163.re