http://dl.fedoraproject.org/pub/epel/
epel-release-latest-5.noarch.rpm redhat5
epel-release-latest-6.noarch.rpm redhat6
epel-release-latest-7.noarch.rpm redhat7
安装他们系统中
验证查看是否安装成功：
yum repolist
[root@localhost yum.repos.d]# yum repolist
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* epel: mirror01.idc.hinet.net
repo id repo name status
base CentOS-5Server - Base 3,667
epel Extra Packages for Enterprise Linux 5 - x86_64 6,674
extras CentOS-5Server - Extras 266
updates CentOS-5Server - Updates 749
repolist: 11,356
查看某个包的详细信息：
yum --enablerepo=epel info htop
root@localhost yum.repos.d]# yum --enablerepo=epel info htop
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* epel: mirror01.idc.hinet.net
Available Packages
Name : htop
Arch : x86_64
Version : 1.0.3
Release : 1.el5
Size : 88 k
Repo : epel
Summary : Interactive process viewer
URL : http://hisham.hm/htop/
License : GPL+
Description: htop is an interactive text-mode process viewer for Linux, similar to
列出epel源的所有包列表：
yum --disablerepo="*" --enablerepo="epel" list available | less
[root@localhost yum.repos.d]# yum --disablerepo="*" --enablerepo="epel" list available |grep htop
htop.x86_64 1.0.3-1.el5 epel
这个可用于:查找相关的包集合,然后选择
remi库
http://rpms.famillecollet.com/enterprise/
remi-release-4.rpm
rpm --import http://rpms.famillecollet.com/RPM-GPG-KEY-remi
remi-release-5.rpm
rpm --import http://rpms.famillecollet.com/RPM-GPG-KEY-remi
remi-release-6.rpm
rpm --import http://rpms.famillecollet.com/RPM-GPG-KEY-remi
remi-release-7.rpm
rpm --import http://rpms.famillecollet.com/RPM-GPG-KEY-remi
yum --enablerepo=remi info htop
两个源已安装OK
[root@localhost yum.repos.d]# pwd
/etc/yum.repos.d
[root@localhost yum.repos.d]# ll
total 24
-rw------- 1 root root 1528 Jun 30 2015 CenOS-Base.repo
-rw------- 1 root root 0 Jun 30 2015 CenOS-Base.repo~
-rw-r--r-- 1 root root 954 Aug 11 2010 epel.repo
-rw-r--r-- 1 root root 1054 Aug 11 2010 epel-testing.repo
-rw-r--r-- 1 root root 2298 Mar 1 2014 remi.repo
注意：安装REMI库不要在启用了REMI库时运行yum update。因为REMI库的包名与RHEL/CentOS默认库中的相同，运行yum update可能会触发意外的更新。平时禁用REMI库，在你需要安装RMEI库中独有的包时再启用。安装REMI库之前，首先需要启用EPEL库，因为REMI中的一些包依赖于EPEL。
