目录
- 一、dnf安装
- 二、开机自启动
- 三、查看状态
- 四、安全设置
- 五、开放远程连接
- 六、DataGrip远程连接
- 七、新建数据库
- 八、导入sql文件
- 参考
官方文档：Installing MySQL on Linux
一、dnf安装
CentOS 8 支持dnf，dnf安装MySQL
sudo dnf install @mysql二、开机自启动
[root@iZ2ze30dygwd6yh7gu6lskZ ~]# sudo systemctl enable --now mysqld
Created symlink /etc/systemd/system/multi-user.target.wants/mysqld.service → /usr/lib/systemd/system/mysqld.service.三、查看状态
[root@iZ2ze30dygwd6yh7gu6lskZ ~]# sudo systemctl status mysqld
● mysqld.service - MySQL 8.0 database server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
Active: active (running) since Wed 2021-02-17 10:30:16 CST; 38s ago
Process: 27178 ExecStartPost=/usr/libexec/mysql-check-upgrade (code=exited, status=0/SUCCESS)
Process: 27052 ExecStartPre=/usr/libexec/mysql-prepare-db-dir mysqld.service (code=exited, status=0/SUCCESS)
Process: 27027 ExecStartPre=/usr/libexec/mysql-check-socket (code=exited, status=0/SUCCESS)
Main PID: 27134 (mysqld)
Status: "Server is operational"
Tasks: 39 (limit: 26213)
Memory: 429.8M
CGroup: /system.slice/mysqld.service
└─27134 /usr/libexec/mysqld --basedir=/usr
Feb 17 10:30:11 iZ2ze30dygwd6yh7gu6lskZ systemd[1]: Starting MySQL 8.0 database server...
Feb 17 10:30:11 iZ2ze30dygwd6yh7gu6lskZ mysql-prepare-db-dir[27052]: Initializing MySQL database
Feb 17 10:30:16 iZ2ze30dygwd6yh7gu6lskZ systemd[1]: Started MySQL 8.0 database server.四、安全设置
是否进入设置：y
选择密码验证策略等级：2（强）
输入密码，确认密码
是否移除匿名用户：y
是否禁止远程登录：n
是否移除test数据库：y
是否重新载入权限表：y
五、开放远程连接
登录，输入密码
第一次输错了，第二次才输对了
[root@iZ2ze30dygwd6yh7gu6lskZ ~]# mysql -u root -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[root@iZ2ze30dygwd6yh7gu6lskZ ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 12
Server version: 8.0.21 Source distribution
Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> update user set host='%' where user='root';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> exit
Bye六、DataGrip远程连接
七、新建数据库
八、导入sql文件
选择：RuoYi-Vue\sql\ry_20210210.sql和quartz.sql
参考
- CentOS 8 安装MySQL 8.0
