Mysql8.0 forgot the root password

1、 edit mysql The configuration file ：vim /etc/my.cnf, add to skip-grant-table（ Skip table permission verification ）

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After the modification esc :wq! Save and exit .

2、 restart mysql service
systemctl restart mysqld

3、 Refresh permission table ：flush privileges;
flush privileges;

4、mysql Sign in ：mysql -uroot -p（ No password required ）

5、 Password reset
## The first root Your old password becomes empty
use mysql;
update user set authentication_string='' where user='root';
## Then reset the new password
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '@Zcw140619';
flush privileges;  ## Refresh the permissions again

6、 Edit again mysql The configuration file vim /etc/my.cnf, Delete or comment skip-grant-table

7、 Restart again mysql service
systemctl restart mysqld

8、 Using the new root Whether the password login verification is modified successfully
mysql -uroot -p New password

9、 Successfully logged in