Centos安装mariaDB方法


1、安装mariadb-server 

yum install mariadb-server

2、安装相关环境 

yum install mariadb-embedded mariadb-libs mariadb-bench mariadb mariadb-sever

3、安装mariadb

yum install mariadb

4、启动mariadb

systemctl start mariadb

5、设置开机启动

systemctl enable mariadb

6、配置数据库（主要是设置密码）

mysql_secure_installation

7、设置编码

①在​​/etc/my.cnf​​文件下添加如下内容：

init_connect='SET collation_connection = utf8_unicode_ci'init_connect='SET NAMES utf8'character-set-server=utf8collation-server=utf8_unicode_ciskip-character-set-client-handshake

②在​​/etc/my.cnf.d/client.cnf​​文件[client]标签下添加如下内容：

default-character-set=utf8

③在​​/etc/my.cnf.d/mysql-clients.cnf​​文件[mysql]标签下添加如下内容：

default-character-set=utf8

④重启mariadb，命令如下：

systemctl restart mariadb

⑤查看mariadb查看字符集，语句如下：

show variables like "%character%";show variables like "%collation%";

8、允许远程连接mariadb数据库

①关闭防火墙，命令如下：

systemctl stop firewalld

②修改user表中host，具体如下**(依次执行即可)：**

select host, user from user;update user set host='%' where host='centos.portal';flush privileges;systemctl restart mariadb