# Centos下安装mariaDB方法 我在cnaaa上购买了云服务器。 **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 ```