virtualmin issues

Hello everyone,
I have vps with

1024MB RAM
1536MB Burst
4 CPU Cores
40GB SSD-Cached DiskSpace
1000GB Bandwidth
1 IPv4 Address
OpenVZ/SolusVM

installed virtualmin on it and I had lots of issues with it,i host two websites wordpress
-ftp {timeout-cannot concoct server }
-mysql {Error establishing a database connection}

when i check mysql status,got this message via Command Shell at webmin

[> /etc/init.d/mysql status
/usr/bin/mysqladmin Ver 8.42 Distrib 5.1.66, for debian-linux-gnu on i486
Copyright © 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.

Server version 5.1.66-0+squeeze1
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /var/run/mysqld/mysqld.sock
Uptime: 11 hours 10 min 16 sec

Threads: 1 Questions: 1392 Slow queries: 0 Opens: 245 Flush tables: 1 Open tables: 34 Queries per second avg: 0.34.

]
i did uninstall Oracle and mysql ,reinstall mysql same message.

one of my site blank page,another one {Error establishing a database connection}
please how can i fix this issues
PS- i am using nginx plugin

Make sure your config files for each CMS you use have the correct database names and passwords in them.

I’m sure database names and passwords are correct .

Can you show me, post, how you are seeing this error?

/etc/init.d/mysql status /usr/bin/mysqladmin Ver 8.42 Distrib 5.1.66, for debian-linux-gnu on i486 Copyright © 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.

Server version 5.1.66-0+squeeze1 Protocol version 10 Connection Localhost via UNIX socket UNIX socket /var/run/mysqld/mysqld.sock Uptime: 11 hours 10 min 16 sec

Threads: 1 Questions: 1392 Slow queries: 0 Opens: 245 Flush tables: 1 Open tables: 34 Queries per second avg: 0.34.

como.horusone.com