1. Reset MySQL root (Root) password under Linux (CentOS) (Reference: http://www.jb51.net/article/108700.htm )
1. "service mysqld status" to view the current mysql service status
2. The "killall -TERM mysqld" command stops all mysqld processes.
3. The "service mysqld stop" command stops the mysqld service.
4. The "mysqld_safe --skip-grant-tables &" command enters MySQL safe mode without a password.
5. "mysql -u root" and press Enter.
6. "use mysql;" to mount the database.
7. "update user set password=password("New9ssw0rd") where user='root';" Change the Root password to New9ssw0rd.
8. "flush privileges;" update privileges.
9. "quit" and press Enter to exit.
10. "service mysqld restart" restarts the mysqld service.
11. "mysql -u root -p" and press Enter to prompt for a password.
2. Solve the problem of limited IP connection for remote login to mysql
1、use mysql;
2、select host,user,password from user;
3. GRANT ALL ON *.* TO root@' authorized IP ' IDENTIFIED BY ' your password ';