[kou@pyton yum.repos.d]$ cd /etc/yum.repos.d/
[kou@pyton yum.repos.d]$ ll
total 40
-rw-rr 1 root root 563 Jul 20 17:48 akopytov_sysbench.repo
-rw-rr 1 root root 675 Jun 15 10:46 CentOS-Base.repo
-rw-rr 1 root root 1309 Nov 23 2018 CentOS-CR.repo
-rw-rr 1 root root 649 Nov 23 2018 CentOS-Debuginfo.repo
-rw-rr 1 root root 314 Nov 23 2018 CentOS-fasttrack.repo
-rw-rr 1 root root 630 Nov 23 2018 CentOS-Media.repo
-rw-rr 1 root root 1331 Nov 23 2018 CentOS-Sources.repo
-rw-rr 1 root root 5701 Nov 23 2018 CentOS-Vault.repo
[kou@pyton yum.repos.d]$ yum install epel-release -y 在yum倉庫添加一個repo結尾的文件
