To set up a Yum Source:

1. Enterprise Ali Open Source Mirror station: http://mirrors.aliyun.com/Sohu Open source Mirror station:

http://mirrors.sohu.com/
NetEase Open Source Mirror station:

http://mirrors.163.com/
2. University
Xidian University

http://ftp.xdlinux.info/(Ipv4+ipv6)
ftp://linux.xidian.edu.cn/
China University of Science and Technology:

http://mirrors.ustc.edu.cn/(Ipv4+ipv6)
http://mirrors4.ustc.edu.cn/
http://mirrors6.ustc.edu.cn/
Shanghai jiaotong university:

http://ftp.sjtu.edu.cn/(IPV4 only)
http://ftp6.sjtu.edu.cn (IPV6 only)
Tsinghua university:

http://mirrors.tuna.tsinghua.edu.cn/(Ipv4+ipv6)
http://mirrors.6.tuna.tsinghua.edu.cn/(IPV6 only)
http://mirrors.4.tuna.tsinghua.edu.cn/(IPV4 only)
Tianjin University

http://mirror.tju.edu.cn/
Southwest University

http://linux.swu.edu.cn/swudownload/Distributions/
Northeastern University

http://mirror.neu.edu.cn/(IPV4 only)
http://mirror.neu6.edu.cn/(IPV6 only)
Dianzi University

http://ubuntu.uestc.edu.cn/
Qingdao University:

http://mirror.qdu.edu.cn/
Lanzhou University

http://mirror.lzu.edu.cn/
Xiamen University

http://mirrors.xmu.edu.cn/
Beijing Institute

http://mirror.bit.edu.cn (IPV4 only)
http://mirror.bit6.edu.cn (IPV6 only)
Beijing Jiaotong University

http://mirror.bjtu.edu.cn (IPV4 only)
http://mirror6.bjtu.edu.cn (IPV6 only)
http://debian.bjtu.edu.cn (Ipv4+ipv6) set Yum Source: 163 Source: HTTP://MIRRORS.163.COM/1. First use the root user to enter the source directory, Copy the source profile Centos-base.repo as a backup CD/ETC/YUM.REPOS.D/CP Centos-base.repo centos-base.repo.ori2. Use the wget command to download domestic source files, URLs in HTTP ://mirrors.163.com/wget wget HTTP://MIRRORS.163.COM/.HELP/CENTOS7-BASE-163.REPO3. Finally, replace the downloaded source file CENTOS-BASE.REPOCP Centos7-base-163.repo Centos-base.repo

To set up a Yum Source: