May 19, 2010
Plesk DBWebadmin(PHPMyAdmin) Error
Plesk,Plesk – DBWebAdmin Error:Get the following error when try to use PHPMyAdmin in the Parallels Panel: “#1045 – Access denied for user ‘pma_xxxxxxx’@’localhost’ (using password: YES)” APPLIES TO:* Plesk 8.x for Linux/Unix CauseThe problem is caused by mismatch between user login credentials stored in phpMyAdmin configuration and database.Using instructions below you may repair the configuration.…
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May 19, 2010
Plesk Fatal exception error and Fix
Plesk,Plesk Fatal Exception Error: Unable to create or delete domains under Plesk panel. Failed domain creation: Unable to update domain data: dnsmng::remove() failed: dnsmng failed: dnsmng: Unable to open DNS config file: Permission denied System error 13: Permission denied 0: /usr/local/psa/admin/htdocs/domains/create_domain.php:150 Fix: 1. Disable the selinux. vi /etc/sysconfig/selinux SELINUX=disabled SELINUXTYPE=targeted SETLOCALDEFS=0 2. Improper permission of…
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May 19, 2010
Linux Tips & Tricks
Linux General,TIP 1: NTP Is NTP Working? STEP 1 (Test the current server): Try issuing the following command: $ ntpq -pn remote refid st t when poll reach delay offset jitter =================================================== tock.usno.navy 0.0.0.0 16 u – 64 0 0.000 0.000 4000.00 The above is an example of a problem. Compare it to a working configuration.…
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May 15, 2010
OpenVZ Installation On CentOS 5
Virtualization,OpenVZ Installation On CentOS 5 OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. In order to install OpenVZ, Follow the below steps, First Step , we need to add the OpenVZ repository to yum cd /etc/yum.repos.d.wget http://download.openvz.org/openvz.reporpm --import http://download.openvz.org/RPM-GPG-Key-OpenVZ The repository contains a few…
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May 15, 2010
Adding modsecurity rule for domain
Linux General,Add the below rule in the .htaccess file. SecRuleEngine Off This will work only if you have old version of mod_security installed on the server. You cannot disable mod_security2 using .htaccess, the only way to bypass mod_security2 in Apache 2 is to manually edit httpd.conf. Create a directory with the username and the domain name,…
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May 11, 2010
Mysql Queries in Linux
Linux General,How to resolve mysql_connect() Error Warning: mysql_connect() [function.mysql-connect]: Access denied for user ‘username’@’localhost’ (using password: YES) Possible root cause for this problem is proper privilege not assigned to the particular user. So providing proper privileges will solve this issue. $grant all privileges on “Database_Name” to “username@localhost” identified by “password” If the mysql resides in the…
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May 8, 2010
SolusVM Master Installation
Virtualization,SolusVM Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ, Xen Paravirtualization and Xen HVM support. SolusVM allows you and your clients to manage a VPS cluster with security & ease. Requirements SolusVM requires the following specification:CentOS 5+ based linux operating systemAt least one external IP addressOpenVZ – Ensure…
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May 8, 2010
Plesk VPS Migration for plesk 9 series
Linux/Windows Support,Plesk,1. Upload migration agent and modules to the source server. For example for Parallels Plesk Panel, there are two folders: “/usr/local/psa/PMM/agents/shared” and “/usr/local/psa/PMM/agents/PleskX”. Use the command below to copy the Migration Manager: destination ~# scp -r /usr/local/psa/PMM/agents/shared/* /usr/local/psa/PMM/agents/PleskX/* root@source:temporary_migration_directory/ 2. Login to source server and change to directory /temporary_migration_directory. Run migration agent (PleskX.pl) with parameter…
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May 8, 2010
Does DNS use TCP or UDP or both?
Linux General,Does DNS use TCP or UDP or both? TCP is a connection-oriented protocol and it requires data to be consistent at the destination and UDP is connection-less protocol and doesn’t require data to be consistent or don’t need a connection to be established with host for consistency of data. UDP packets are smaller in size.…
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May 8, 2010
PRTG Network Monitor
Network,PRTG Network Monitor runs 24/7 on a Windows-based machine within your network, recording network usage parameters. Recorded data is stored in a database for historic reports. The easy to use web-based user interface allows to configure the devices and sensors that you want to monitor. You can create usage reports and provide colleagues and customers…
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