Linux安装mysql

1.安装

sudo apt-get install mysql-server mysql-client

2.改密码登录（默认root没有密码）

sudo mysql -v

use mysql;
select host,user,plugin,authentication_string from user; 

--设置密码
update user 
set plugin="mysql_native_password",authentication_string=password('123456') 
where user="root";

--应用修改
FLUSH PRIVILEGES;

3.离开

quit;

4.重新登入