怎么在Ubuntu18.04中安装mysql5.7.23

本篇文章为大家展示了怎么在Ubuntu18.04中安装mysql5.7.23，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。

1、安装服务器和客户端

# 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

2、检查安装状态

# 检查状态sudo netstat -tap | grep mysql

出现下图表示安装成功

3、安装完以后配置

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# mysqlmysql>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> exitBye# 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 2Server 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 itsaffiliates. Other names may be trademarks of their respectiveowners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql>

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;Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> flush privileges;Query OK, 0 rows affected (0.00 sec) mysql> exitBye$ sudo /etc/init.d/mysql restart

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