环境:ubuntu18.04
参考文章:安装并远程登录授权:https://www.cnblogs.com/chancy/p/9444187.html
用户管理:https://www.cnblogs.com/wanghetao/p/3806888.html
添加docker用户:https://www.jb51.net/article/115422.htm
Ubuntu18.04安装mysql5.7
1.1安装
首先执行下面三条命令:
# 安装mysql服务
sudo apt-get install mysql-server
# 安装客户端
sudo apt install mysql-client
# 安装依赖
sudo apt install libmysqlclient-dev
# 检查状态
sudo netstat -tap | grep mysql
1.2设置root密码
mysql5.7安装完成后普通用户不能进mysql,原因:root的plugin被修改成了auth_socket,用密码登陆的plugin应该是mysql_native_password,直接用root权限登录就不用密码,修改root密码和登录验证方式:
$ sudo su
# mysql
mysql>
mysql> select user, plugin from mysql.user;
+------------------+-----------------------+
| user | plugin |
+------------------+-----------------------+
| root | auth_socket |
| mysql.session | mysql_native_password |
| mysql.sys | mysql_native_password |
| debian-sys-maint | mysql_native_password |
+------------------+-----------------------+
4 rows in set (0.00 sec)
mysql> update mysql.user set authentication_string=PASSWORD('123456'), plugin='mysql_native_password' where user='root';
mysql> flush privileges;
mysql> exit
Bye
# exit
$ sudo /etc/init.d/mysql restart
$ mysql -uroot -p Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.22-0ubuntu18.04.1 (Ubuntu) Copyright (c) 2000, 2018, 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>
1.3创建docker用户并把数据库docker_mysql授权给docker用户
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use mysql; select host, user from user ;
-- 因为mysql版本是5.7,因此新建用户为如下命令: create user docker identified by '123456' ;
-- 将docker_mysql数据库的权限授权给创建的docker用户,密码为123456: grant all on docker_mysql.* to docker@ '%' identified by '123456' with grant option ;
-- 这一条命令一定要有: flush privileges ;
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1.4配置mysql远程登录
# 修改配置文件,注释掉bind-address = 127.0.0.1
$ sudo vi /etc/mysql/mysql.conf.d/mysqld.cnf # 保存退出,然后进入mysql服务,执行授权命令:
$ mysql -uroot -p mysql> grant all on *.* to root@'%' identified by '123456' with grant option; (授权可以用root用户远程登录并可以访问所有数据库)
Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec) mysql> exit
Bye
$ sudo /etc/init.d/mysql restart