yum install package prompts not available

EDITORIAL

For children's shoes new to linux systems when using yum to install the software may encounter prompt "is not available Package" this issue, this paper focuses on solving the problem. Article may have many shortcomings, please understand, welcome Gangster comments.

As used herein, the thing

1. CentOS 7

1. text

The problem occurs because the package is in the yum source inside third party, without which the official yum source. The solution is to install epel source.
Installation command as follows:

//安装epel源
sudo yum install epel-release

//更新
yum update

Here to solve the problem then, if you still can not find the source of the package is not necessary to look at the wrong name.

2. summary

There are ambiguities Comments welcome, I would see the reply. This article is over, what are deficiencies please feel free to correct me.