Linux MySQL command

1、mysql stay linux Check out my.cnf The method of location

locate my.cnf

2、 start-up 、 restart 、 The shutdown command

1、 restart ：

systemctl restart mysqld

2、 stop it

systemctl stop mysqld

3、 Start up

service mysqld start

Two 、 Forget your password and change it mysql Password operation ：

Turn off password verification first , Get into mysql, And then modify it root Password of account , Turn on password verification

First modify ：
1、 modify /etc/my.cnf The configuration file

vi /etc/my.cnf

2、 stay [mysqld] Add under skip-grant-tables, Save it .

Sign in ：

1、mysql -u root -p

2、 No password required , Directly enter （ appear Enter Password It's the same. Go straight back , You can login successfully ）

3、 Change password

update user set authentication_string=password(‘ New password ’) where user=‘root’;
flush privileges;

sign out :

quit;

go back to /etc/my.cnf file , find [mysqld]、 Add the following skip-grant-tables Delete or comment out directly .

restart mysql： Restart first , In the stop , When executing the start command