No package MySQL server available

1. Using Yum install – y MySQL server, the error is as follows:

[root@heyong_jd ~]# yum install -y mysql-server
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
No package mysql-server available.
Error: Nothing to do

2. The solution is as follows:

1: wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

2: rpm -ivh mysql-community-release-el7-5.noarch.rpm

3. Then perform the installation

[root@heyong_jd ~]# yum install mysql-server
Loaded plugins: fastestmirror, langpacks
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Repository contrib is listed more than once in the configuration
Loading mirror speeds from cached hostfile
mysql-connectors-community                                                                                                                          | 2.5 kB  00:00:00     
mysql-tools-community                                                                                                                               | 2.5 kB  00:00:00     
mysql56-community                                                                                                                                   | 2.5 kB  00:00:00     
(1/3): mysql-connectors-community/x86_64/primary_db                                                                                                 |  41 kB  00:00:00     
(2/3): mysql-tools-community/x86_64/primary_db                                                                                                      |  58 kB  00:00:00     
(3/3): mysql56-community/x86_64/primary_db                                                                                                          | 226 kB  00:00:01  
...
...
...
Installed:
  mysql-community-libs.x86_64 0:5.6.44-2.el7                                          mysql-community-server.x86_64 0:5.6.44-2.el7                                         

Dependency Installed:
  mysql-community-client.x86_64 0:5.6.44-2.el7            mysql-community-common.x86_64 0:5.6.44-2.el7            perl-Compress-Raw-Bzip2.x86_64 0:2.061-3.el7           
  perl-Compress-Raw-Zlib.x86_64 1:2.061-4.el7             perl-DBI.x86_64 0:1.627-4.el7                           perl-Data-Dumper.x86_64 0:2.145-3.el7                  
  perl-IO-Compress.noarch 0:2.061-2.el7                   perl-Net-Daemon.noarch 0:0.48-5.el7                     perl-PlRPC.noarch 0:0.2020-14.el7                      

Replaced:
  mariadb-libs.x86_64 1:5.5.60-1.el7_5                                                                                                                                     

Complete!

Successfully installed