CentOS 7 安装 MariaDB

首先配置阿里源

https://www.cnblogs.com/weige007/p/12099141.html

1. 阿里云源下载安装 MariaDB

yum install mariadb-server mariadb -y

2. 使用 systemctl 管理 MariaDB 服务

systemctl start mariadb      # 启动MariaDB  
systemctl stop mariadb       # 停止MariaDB 
systemctl restart mariadb    # 重启MariaDB            
systemctl enable mariadb     # 设置开机启动

3. 初始化 MariaDB

mysql_secure_installation

4. 中文编码设置,编辑 /etc/my.cnf 文件,添加以下内

[mysqld]
character-set-server=utf8 collation-server=utf8_general_ci log-error=/var/log/mysqld.log [client] default-character-set=utf8 [mysql] default-character-set=utf8

5. 配置完之后重启服务

systemctl restart mariadb

6. 进入MariaDB 数据库

[root@localhost ~]# mysql -uroot -p
Enter password:

7. 创建数据库用户

MariaDB [(none)]> create user rpw@'127.0.0.1' identified by 'admin';
Query OK, 0 rows affected (0.04 sec)

MariaDB [(none)]> use mysql
Database changed
MariaDB [mysql]> select host,user,password from user;
+-----------------------+-------+-------------------------------------------+
| host                  | user  | password                                  |
+-----------------------+-------+-------------------------------------------+
| localhost             | root  | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| localhost.localdomain | root  | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| 127.0.0.1             | root  | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| ::1                   | root  | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| 127.0.0.1             | rpw   | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
+-----------------------+-------+-------------------------------------------+
5 rows in set (0.00 sec)

MariaDB [mysql]> 

 

8. 数据库权限设置

MariaDB [(none)]> use mysql;
Database changed
MariaDB [mysql]> grant all privileges on *.* to rpw@127.0.0.1;
Query OK, 0 rows affected (0.00 sec)

MariaDB [mysql]> show grants for rpw@127.0.0.1;
+---------------------------------------------------------------------------------------------------------------------+
| Grants for rpw@127.0.0.1                                                                                            |
+---------------------------------------------------------------------------------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'rpw'@'127.0.0.1' IDENTIFIED BY PASSWORD '*4ACFE3202A5FF5CF467898FC58AAB1D615029441' |
+---------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

MariaDB [mysql]> 

# 刷新权限

　MariaDB [mysql]> flush privileges;
　Query OK, 0 rows affected (0.00 sec)

9. 移除权限

MariaDB [mysql]> revoke all privileges on *.* from rpw@127.0.0.1;
Query OK, 0 rows affected (0.00 sec)

MariaDB [mysql]>