ubuntu 18.04用apt安装mysql-server

安装mysql-server

sudo apt-get install mysql-server mysql-common mysql-client

更改mysql root账户认证模式

sudo mysql
`select user, plugin from mysql.user;
update mysql.user set authentication_string=PASSWORD('123456'), plugin='mysql_native_password' where user='root';`
flush privileges;
exit

重启mysql-server

sudo systemctl restart mysql

以下可选操作，允许root远程登陆不安全

配置root远程登陆

grant all on *.* to root@'%' identified by '123456' with grant option;
flush privileges;
exit

修改侦听地址127.0.0.1为0.0.0.0

vi /etc/mysql/mysql.conf.d/mysqld.cnf
bind-address = 0.0.0.0

参考链接：https://www.cnblogs.com/ddif/p/9876502.html