CentOS版本：CentOS-7-x86_64-Minimal-1511

1、安装Mariadb

[root@localhost~]# yum -y install mariadb-server

2、启动服务并设置开机启动

[root@localhost~]# systemctl start mariadb
[root@localhost~]# systemctl enable mariadb

3、配置MariaDB

[root@localhost~]# MysqL_secure_installation

#输入当前root密码

Entercurrent password for root (enter for none):

#设置root密码？

Changethe root password?[Y/n]

#删除匿名用户？

Removeanonymous users?[Y/n]

#禁止root用户远程登录？

Disallowroot login remotely?[Y/n]

#删除test数据库？

Removetest database and access to it? [Y/n]

#重新加载权限表？

Reloadprivilege tables now? [Y/n]

4、配置MariaDB字符编码（以utf8mb4为例）

[root@localhost~]# vi /etc/my.cnf
#在[MysqLd]标签下添加
character-set-server=utf8mb4
[root@localhost~]# vi /etc/my.cnf.d/client.cnf
#在[client]标签下添加
default-character-set=utf8mb4

5、重启启动MariaDB服务

[root@localhost~]# systemctl restart mariadb

6、查看MariaDB字符编码

MariaDB[(none)]show variables like ‘%character%’;

7、卸载MariaDB数据库

[root@localhost~]# rpm -aq|grep mariadb
mariadb-libs-5.5.50-1.e17_2.x86_64
mariadb-5.5.50-1.e17_2.x86_64
mariadb-server-5.5.50-1.e17_2.x86_64
[root@localhost~]# yum -y remove mariadb*