CentOS 7 yum加速

cd /etc/yum.repos.d/ mkdir bak mv CentOS-Base.repo ./bak/ wget http://mirrors.163.com/.help/CentOS7-Base-163.repo yum install epel-release sed -e 's!^metalink=!#metalink=!g' \ -e 's!^#baseurl=!baseurl=!g' \ -e 's!http://download\.fedoraproject\.org/pub/epel!https://mirrors.tuna.tsinghua.edu.cn/epel!g' \ -e 's!http://download\.example/pub/epel!https://mirrors.tuna.tsinghua.edu.cn/epel!g' \ -i /etc/yum.repos.d/epel*.repo