This error pops us mostly while trying to access your MYSQL database
Resolution:
[root@server ~]# /etc/init.d/mysqld stop
Stopping MySQL: [ OK ]
[root@server ~]# mysqld_safe --skip-grant-tables &
[1] 24359
[root@server ~]# Starting mysqld daemon with databases from /var/lib/mysql
[root@server ~]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.0.77 Source distribution
Type 'help;' or 'h' for help. Type 'c' to clear the buffer.
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| openfire |
+--------------------+
3 rows in set (0.13 sec)
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> show tables;
+---------------------------+
| Tables_in_mysql |
+---------------------------+
| columns_priv |
| db |
| func |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| host |
| proc |
| procs_priv |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+---------------------------+
17 rows in set (0.00 sec)
mysql> update user set password=PASSWORD("new_paswd") where User='root';
Query OK, 3 rows affected (0.05 sec)
Rows matched: 3 Changed: 3 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.04 sec)
mysql> quit
Bye
[root@server ~]# /etc/init.d/mysqld restart
STOPPING server from pid file /var/run/mysqld/mysqld.pid
102675 04:17:15 mysqld ended
Stopping MySQL: [ OK ]
Starting MySQL: [ OK ]
[1]+ Done mysqld_safe --skip-grant-tables
root@server ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or g.
mysql> quit
Bye