Google

Edit File: yum.system.repo

[system-base] name=CentOS-$releasever - $basearch - Base (Production system packages) baseurl=http://syspackages.sourcedns.com/packages/mirrors/centos/7/os/$basearch/ gpgcheck=1 priority=3 [system-updates-released] name=CentOS-$releasever - $basearch - Released Updates (Production system packages) baseurl=http://syspackages.sourcedns.com/packages/mirrors/centos/7/updates/$basearch/ gpgcheck=1 priority=3 [system-extras] name=CentOS-$releasever - $basearch - Extras (Production system packages) baseurl=http://syspackages.sourcedns.com/packages/mirrors/centos/7/extras/$basearch/ gpgcheck=1 priority=3