mysql忘记root密码

[root@bssnusb03 ~]# mysql -uroot -proot
Warning: Using a password on the command line interface can be insecure.

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)


密码忘记,使用skip-grant-tables模式启动mysql,修改密码

# /etc/init.d/mysql stop
Shutting down MySQL (Percona Server)..

[root@bssnusb03 ~]# mysqld_safe --skip-grant-tables &
[1] 758
[root@bssnusb03 ~]# 140807 10:33:37 mysqld_safe Logging to '/BSS/data/error.log'.
140807 10:33:37 mysqld_safe Starting mysqld daemon with databases from /BSS/data


[root@bssnusb03 ~]# ps -ef|grep mysql
root       758   630  0 10:33 pts/4    00:00:00 /bin/sh /usr/bin/mysqld_safe --skip-grant-tables
mysql     1041   758 36 10:33 pts/4    00:00:03 /usr/sbin/mysqld --basedir=/usr --datadir=/BSS/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --skip-grant-tables --log-error=/BSS/data/error.log --pid-file=/BSS/data/percona.pid --socket=/BSS/data/percona.sock --port=3306
root      1071   630  0 10:33 pts/4    00:00:00 grep mysql
root     11572     1  0 Aug05 ?        00:00:00 mysql -uroot -px xx
[root@bssnusb03 ~]# mysql


mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A


Database changed
mysql>  UPDATE user SET Password = password('root8989') WHERE User = 'root' ;
Query OK, 0 rows affected (0.00 sec)
Rows matched: 1  Changed: 0  Warnings: 0


mysql> flush privileges ;
Query OK, 0 rows affected (0.00 sec)


mysql> \q


# mysql -uroot -proot8989

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