/Etc/my.cnf 1.vim
[mysqld]
Skip-Grant-Related Tables ## additional rows to skip the permissions table,
2. Restart MySQL
systemctl restart mysqld
3.mysql 登陆mysql
mysql> use mysql;
mysql> UPDATE user SET Password = password ( 'zha123456' ) WHERE User = 'root' ;
mysql> flush privileges ;
mysql> quit
4. Recovery profile the my.cnf
Vim /etc/my.cnf
[mysqld]
Skip-Grant-Tables ## to remove this line, continue to validate authority table,
5. Restart MySQL
systemctl the restart mysqld