不用密码进入数据库

# service mysqld stop
Shutting down MySQL. SUCCESS! 

# mysqld_safe --skip-grant-tables &

[root@centos01 server]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.20-log Source distribution

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Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

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