Linux에서 MySQL 루트 비밀번호를 재설정하는 방법

# service mysql stop           //对于基于SysVinit的系统
# systemctl stop mysql.service     //对于基于Systemd的系统

# mysqld_safe --skip-grant-tables &

# mysql -u root
 mysql>USE mysql;
 mysql>UPDATE user SET password=PASSWORD("NEW-PASSWORD") WHERE User='root';
 mysql>FLUSH PRIVILEGES;
 mysql>quit

# mysql -u root
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD("NEW-PASSWORD");
mysql>FLUSH PRIVILEGES;
mysql>quit

//基于SysVinit的系统
# service mysql stop 
# service mysql start

//基于Systemd的系统 
# systemctl stop mysql.service
# systemctl start mysql.service

# mysql -u root -p

Enter password: **********
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 29
Server version: 5.5.57 MySQL Community Server (GPL)

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