EPEL是yum的一个软件源,里面包含了许多基本源里没有的软件了，但在我们在使用epel时是需要安装它才可以了.
EPEL，即Extra Packages for Enterprise Linux的简称，是为企业级Linux提供的一组高质量的额外软件包，包括但不限于Red Hat Enterprise Linux (RHEL), CentOS and Scientific Linux (SL), Oracle Enterprise Linux (OEL)。
安装：
*** 环境：CentOS 64bit *** [root@localhost ~]# yum -y install epel-release
Loaded plugins: fastestmirror, langpacks
base | 3.6 kB ::
extras | 3.4 kB ::
updates | 3.4 kB ::
updates//x86_64/primary_db | 5.7 MB ::
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch :- will be installed
--> Finished Dependency Resolution Dependencies Resolved ==================================================================================================================================================================================================================
Package Arch Version Repository Size
==================================================================================================================================================================================================================
Installing:
epel-release noarch - extras k Transaction Summary
==================================================================================================================================================================================================================
Install Package Total download size: k
Installed size: k
Downloading packages:
warning: /var/cache/yum/x86_64//extras/packages/epel-release--.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY=========================================== ] 1.2 kB/s | kB :: ETA
Public key for epel-release--.noarch.rpm is not installed
epel-release--.noarch.rpm | kB ::
Retrieving key from http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>"
Fingerprint: ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
From : http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : epel-release--.noarch /
Verifying : epel-release--.noarch / Installed:
epel-release.noarch :- Complete!
[root@localhost ~]#