重置mysql的root密码
# /etc/init.d/mysql stop
Shutting down MySQL. [ OK ]
# ps -ef |grep mysql
root 25174 24030 0 04:53 pts/0 00:00:00 grep mysql
# mysqld_safe --skip-grant-tables&
[1] 25175
# 130109 04:53:27 mysqld_safe Logging to ‘/var/lib/mysql/WEBV01.err‘.
130109 04:53:27 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.29-log MySQL Community Server (GPL)
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
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.
mysql> use mysql;
Database changed
mysql>update user set password=password("pwdhere") where user="root";
mysql>flush privileges;
# /etc/init.d/mysql stop
# /etc/init.d/mysql start
# mysql -u root -p
原文地址：http://www.cnblogs.com/oskb/p/3848507.html
