搭建网络源

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网络源版本：CentOS7-Base-163.repo

[root@server yum.repos.d]# cd /etc/yum.repos.d/
[root@server yum.repos.d]# curl -O http://mirrors.163.com/.help/CentOS7-Base-163.repo
[root@server yum.repos.d]# sed -i 's/\$releasever/7/g' /etc/yum.repos.d/CentOS7-Base-163.repo
[root@server yum.repos.d]# sed -i 's/^enabled=.*/enabled=1/g' /etc/yum.repos.d/CentOS7-Base-163.repo