ISPManager 5 - db ERROR Failed to connect to mysql server. MySQL error: Access denied for user 'root'@'localhost' (using password: YES)

Ошибка:

Dec 30 09:43:01 [880:638] db ERROR Failed to connect to mysql server. MySQL error: Access denied for user 'root'@'localhost' (using password: YES)
Dec 30 09:43:01 [880:638] backtrace EXTINFO mgr_db::Fail::Fail(std::string const&, std::string const&, std::string const&) (lib/libmysql.so.5.43.0 + 0x53) [*0x7f0431fec179]
Dec 30 09:43:01 [880:638] backtrace EXTINFO ??? (lib/libmysql.so.5.43.0 + 0x0) [*0x7f044a3fda26]

Также - не создаются новые базы в ISPManager 5

Решаем - сбрасываем root пароль для mysql:

#  /etc/init.d/mysqld stop
Stopping mysqld:                                           [  OK  ]
#  mysqld_safe --skip-grant-tables &
[1] 3458
# 151230 09:29:05 mysqld_safe Logging to '/var/log/mysqld.log'.
151230 09:29:05 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: 5.1.73 Source distribution 

Copyright (c) 2000, 2013, 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
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("sdfy666666") where User='root';
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3  Changed: 3  Warnings: 0 

mysql> flush privileges; 

Query OK, 0 rows affected (0.00 sec)
mysql> \q
Bye 

# /etc/init.d/mysqld stop
151230 09:29:56 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
Stopping mysqld:                                           [  OK  ]
[1]+  Done                    mysqld_safe --skip-grant-tables
 # /etc/init.d/mysqld start
# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.1.73 Source distribution
Copyright (c) 2000, 2013, 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> Ctrl-C -- exit!
Aborted

Последний шаг в ISPManager 5 -- Database servers --> MYSQL --> Edit --> Вводим новый пароль и отмечаем чекбокс: New Password --> OK