yum源配置方法

[root@wxs-centos7 etc]# cd -
/etc/yum.repos.d
[root@wxs-centos7 yum.repos.d]# mkdir yum.repos.d_bak
[root@wxs-centos7 yum.repos.d]# cp ./* ./yum.repos.d_bak/
cp: 略过目录"./yum.repos.d_bak"
[root@wxs-centos7 yum.repos.d]# ls
CentOS-Base.repo CentOS-Debuginfo.repo CentOS-Media.repo CentOS-Vault.repo microsoft-prod.repo
CentOS-CR.repo CentOS-fasttrack.repo CentOS-Sources.repo CentOS-x86_64-kernel.repo yum.repos.d_bak
[root@wxs-centos7 yum.repos.d]# ls