Highly Available Linux Cluster for (LAMP) Apache, MySQL, PHP using DRBD and HeartBeat on CentOS / RedHat / Fedora

          Disclaimer: The following steps are performed on Virtual machines and tested successfully. It is advised to test first on raw / virtual machines and then in production environment. We will setup for Apache Webserver and MySQL on High Availability Cluster (2 Nodes). Test Scenario:

Installing Nagios core on RHEL / CENTOS 5.x – RHEL / CentOS 6.x Fedora 15/16/17/18/19/20

What is Nagios An enterprise-class monitoring and alerting solution that provides organizations with extended insight of their IT infrastructure before problems affect critical business processes. Requirements We require following things for Installing Nagios: These are Just Pre-requisites. We need them to other things work … 1. Apache and PhP (php […]

HTop – CPU, Memory & Process Monitoring Utility in Linux by Qasim Mehmood

Htop is a text-mode, interactive process viewer for Linux run via console/ssh, and to install htop on Linux is a pretty simple task. Among other things, htop allows you the following: Quickly view key performance statistics such as CPU(multi-core layout), Memory and Swap usage Details. Scroll the process list vertically and horizontally to […]

Virtual Box Machine Settings Urdu CBT by Babar Zahoor

Virtual Box Machine Settings Virtual Box Machine Settings Urdu CBT by Babar Zahoor (Source: http://vimeo.com/)

Web Server Configuration Linux Load Balancing Urdu CBT by Babar Zahoor

Web Server Configuration Linux Load Balancing Urdu CBT by Babar Zahoor from Babar Zahoor on Vimeo. Web Server Configuration Linux Load Balancing Urdu CBT by Babar Zahoor (Source: http://vimeo.com/)