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一、docker环境检查
- 1、检查docker运行环境
[root@lyx ~]# docker version
[root@lyx ~]# systemctl status docker
二、部署mysql数据库
- 1、拉取mysql数据库镜像
[root@lyx ~]# docker pull mysql:8.0.36
- 2、在宿主机创建目录实现数据的持久化
[root@lyx ~]# mkdir -pv /root/data/mysql/{conf,data,log}
[root@lyx ~]# tree data
data
└── mysql├── conf├── data└── log
- 3、部署服务
[root@lyx ~]# docker run -d --name mysql --restart=always --privileged=true -v /root/mysql/log:/var/log/mysql -v /root/mysql/data:/var/lib/mysql -v /root/mysql/conf:/etc/mysql/conf.d -v /etc/localtime:/etc/localtime:ro -e MYSQL_ROOT_PASSWORD=123456 mysql:8.0.36-oracle
命令行参数解释：
-d：后台运行mysql容器
--name mysql：容器的名称是mysql
--restart=always：总是和docker启动
--privileged=true：获取宿主机root权限
-v /root/mysql/log:/var/log/mysql：映射日志目录（宿主机目录:容器目录）
-v /root/mysql/data:/var/lib/mysql：映射数据目录（宿主机目录:容器目录）
-v /root/mysql/conf:/etc/mysql/conf.d：映射配置目录（宿主机目录:容器目录）
-v /etc/localtime:/etc/localtime:ro：容器时间与宿主机时间同步
-e MYSQL_ROOT_PASSWORD=123456：指定mysql环境变量，root用户名密码为123456（自定义）
mysql:8.0.36-oracle：使用的镜像名称
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- 4、查看容器的运行状态
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[root@lyx ~]# docker ps -a | grep mysql
0acf0b68336c mysql:8.0.36-oracle "docker-entrypoint.s…" 21 minutes ago Up 21 minutes 3306/tcp, 33060/tcp mysql
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- 5、登录数据库
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[root@lyx ~]# docker exec -it mysql bash
bash-4.4# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 8.0.36 MySQL Community Server - GPLCopyright (c) 2000, 2024, Oracle and/or its affiliates.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>
三、数据库简单使用
- 1、检查当前数据库用户情况
mysql> select user,host,authentication_string from mysql.user;
- 2、创建用户
2.1、创建本地登录用户
mysql> create user lv@'localhost' identified by '123321';
Query OK, 0 rows affected (0.05 sec)
2.2、创建远程登录用户
mysql> create user ya@'192.168.16.%' identified by '456654';
Query OK, 0 rows affected (0.01 sec)
- 3、用户登录
bash-4.4# mysql -u lv -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 12
Server version: 8.0.36 MySQL Community Server - GPLCopyright (c) 2000, 2024, Oracle and/or its affiliates.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>
- 4、检查当前登录用户
mysql> select user();
+--------------+
| user() |
+--------------+
| lv@localhost |
+--------------+
1 row in set (0.02 sec)
- 5、删除用户
mysql> drop user ya@'192.168.16.%';
Query OK, 0 rows affected (0.01 sec)
- 6、给用户授权
mysql> grant Alter,Create,Delete,Drop,Insert,Select,Update on mysql.* to lv@'localhost';
Query OK, 0 rows affected, 1 warning (0.08 sec)
- 7、检查用户权限
mysql> show grants for lv@'localhost';
+--------------------------------------------------------------------------------------------+
| Grants for lv@localhost |
+--------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO `lv`@`localhost` |
| GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, ALTER ON `mysql`.* TO `lv`@`localhost` |
+--------------------------------------------------------------------------------------------+
2 rows in set (0.01 sec)
- 8、回收权限
mysql> revoke Select on mysql.* from lv@'localhost';
Query OK, 0 rows affected, 1 warning (0.01 sec)