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Docker 安装及使用mysql
# 拉取最新版本镜像 docker pull mysql # 拉取执行版本镜像 docker pull mysql:版本号
docker images
docker run -d --name mysql --rm -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 mysql:5.7 # -d 表明后台运行 # -name 代码容器名称 # -p 表明端口映射,格式为 宿主机映射端口:容器运行端口 # -e 表明添加环境变量 MYSQL_ROOT_PASSWORD是root用户的登录密码
docker run -p 3306:3306 --name mysql-3307 \ -v /usr/local/docker/mysql/conf:/etc/mysql \ -v /usr/local/docker/mysql/logs:/var/log/mysql \ -v /usr/local/docker/mysql/data:/var/lib/mysql \ -e MYSQL_ROOT_PASSWORD=123456 \ -d mysql:latest # -v:主机和容器的目录映射关系,":"前为主机目录,以后为容器目录
docker container ls # 能够看到容器ID,容器的源镜像,启动命令,建立时间,状态,端口映射信息,容器名字
sudo docker exec -it mysql bash mysql -uroot -p123456
咱们在建立容器的时候已经将容器的3306端口和主机的3306端口映射到一块儿,因此咱们应该访问:sql
host: 安装mysql机器ip port: 3306 user: root password: 123456
# 开放端口: $ systemctl status firewalld $ firewall-cmd --zone=public --add-port=3306/tcp -permanent $ firewall-cmd --reload # 关闭防火墙: $ sudo systemctl stop firewalld
$ sudo docker exec -it mysql bash $ mysql -uroot -p123456 mysql> grant all privileges on *.* to root@'%' identified by "password";
原理:docker
# mysql使用mysql数据库中的user表来管理权限,修改user表就能够修改权限(只有root帐号能够修改) mysql> use mysql; Database changed mysql> select host,user,password from user; +--------------+------+-------------------------------------------+ | host | user | password | +--------------+------+-------------------------------------------+ | localhost | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E | | 192.168.1.1 | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E | +--------------+------+-------------------------------------------+ 2 rows in set (0.00 sec) mysql> grant all privileges on *.* to root@'%' identified by "123456"; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> select host,user,password from user; +--------------+------+-------------------------------------------+ | host | user | password | +--------------+------+-------------------------------------------+ | localhost | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E | | 192.168.1.1 | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E | | % | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E | +--------------+------+-------------------------------------------+ 3 rows in set (0.00 sec)