mysql如果忘记了root密码，可以很方便的找回，方法如下：1. 先杀掉mysql的所有进程；#killall -term mysqld 2. 使用skip-grant-tables这个选项启动mysql;#/user/bin/safe_mysqld --skip-grant-tables & 3. 这时你就可以不使用密码登陆mysql了；#mysql -h localhost -u root -pmysql> use mysqlmysql> update user set password=password('newpassword') where user='root'; mysql> flush privileges;mysql> exit; 4. 关闭mysql； #/user/bin/mysqladmin -u root -p shutdownenter password: stopping server from pid file /usr/local/mysql/data/ws01.pid071218 11:30:19 mysqld ended [1]+ done /usr/local/mysql/bin/safe_mysqld --skip-grant-tables (wd: /ceno/product/cacti/include)(wd now: /usr/local/mysql/bin) 5. 正常启动mysql； #/user/bin/mysqld_safe --user=mysql & [1] 5583starting mysqld daemon with databases from /usr/local/mysql/data 6. 现在赶快试试你的新密码吧； 作者 wenrunchang123 bitscn.com