yum 安装服务出现报错收集

yum 安装出现报错收集
问题：
[me@linux ~]$ sudo yum install etckeeper
[sudo] password for me:
Loaded plugins: refresh-packagekit, security
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package etckeeper.noarch 0:1.4-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=====================================================================================================
Package Arch Version Repository Size
=====================================================================================================
Installing:
etckeeper noarch 1.4-1.el6 epel 38 k

Transaction Summary
=====================================================================================================
Install 1 Package(s)

Total size: 38 k
Installed size: 61 k
Is this ok [y/N]: y
Downloading Packages:
warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

GPG key retrieval failed: [Errno 14] Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

解决：
您必须首先安装epel-release包才能安装GPG-Keys：
rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm