CentOS7修改为国内yum源

命令

cd /etc/yum.repos.d/
mv *.repo /tmp/yum
wget http://mirrors.aliyun.com/repo/Centos-7.repo
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
yum clean all # 清除系统所有的yum缓存
yum makecache # 生成yum缓存
yum list | grep epel-release
yum install -y epel-release
yum clean all
yum makecache
yum repolist enabled
yum repolist all