Introduction Virtuozzo (formerly OpenVZ) is a powerful operating system-level virtualization technology that allows a single physical server to run multiple isolated Linux environments known as containers or Virtual Private Servers (VPS). These containers behave like independent servers but share the same Linux kernel, making them lightweight, fast, and resource-efficient. Prerequisites… Continue Reading Virtuozzo – VPS commands – Open VZ commands

Introduction DKIMProxy is a tool used to implement DomainKeys Identified Mail (DKIM) for email authentication. It is written in Perl and requires several Perl modules for proper functionality. Prerequisites Install the required Perl modules using CPAN: Implementation Step 1: Install Mail::DKIM module wget http://search.cpan.org/CPAN/authors/id/J/JA/JASLONG/Mail-DKIM-0.39.tar.gztar -zxvf Mail-DKIM-0.39.tar.gzcd Mail-DKIM-0.39perl Makefile.PLmakemake testmake install… Continue Reading DKIM – enable in EXIM

Introduction MySQL stores all database data, tables, indexes, and logs in a default directory known as the data directory (commonly /var/lib/mysql on Linux systems). In many real-world scenarios, administrators need to change this default location—for example, when the system disk is running out of space, for performance optimization, or when… Continue Reading How to Change Mysql data directory

Introduction You may receive a notification about domain expiration in Plesk, indicating that the domain’s validity period is about to expire. This alert helps ensure timely renewal and prevents service interruption. Prerequisites Implementation Notification Example: Subject: Domain event notification: The period of validity is about to expire. The validity period… Continue Reading Domain Expiry Notification and Validity Period Update in Plesk

Introduction When working with classic ASP applications, you may occasionally encounter the following error: This issue typically occurs because CDONTS (Collaboration Data Objects for Windows NT Server) is either missing or not properly registered on the server. CDONTS is a legacy component used to send emails from ASP applications. Although… Continue Reading ActiveX component can’t create object: ‘CDONTS.NewMail’

Some times, we will get the following error when we try to drop the database from PHP my admin. ========ErrorSQL query:DROP DATABASE `databasename`MySQL said:#6 – Error on delete of ‘./databasename’ (Errcode: 13)======== The problem is with wrong permission of /var/lib/mysql. You can fix the issue by changing the permission of… Continue Reading #6 – Error on delete of ‘./database’ (Errcode: 13)

You can execute the following command for getting the “mysql” root password of the server in Ensim control panel. [root@test]#ensim-python -c “import sys;sys.path.append(\”/usr/lib/opcenter/mysql\”);import mysqlbe;print mysqlbe.read_mysqlpass()” [or] [root@test]#ensim-python -c “from vh3 import virthost; from vh3.modules import mysql; print mysql.GetMySQLRootPass()” Both command will return the mysql root password.

Introduction If you forget the administrator password for Plesk, you can reset it directly from the command line using the built-in Plesk utility. Prerequisites Before proceeding, ensure: Implementation Step 1: Login to the Server Login to the server as the root user via SSH. Step 2: Navigate to Plesk Admin… Continue Reading How to reset the Plesk Admin password via Command Line

Introduction Managing file permissions is a critical part of maintaining a secure web server environment. When using suPHP, security is tightened by enforcing strict ownership and permission rules for files and directories. While this helps prevent unauthorised access and script execution, it can also lead to unexpected issues—most commonly the… Continue Reading Fixing File and Folder Permission on suPHP