Category: Articles

Learn | Teach Open Source Technologies

Moving Files Between Linux Systems With SCP

This article is about how to move files between servers using the scp (secure copy) command. To show how it works, I will move files from my HDD to a virtual machine running on VirtualBox. There is Linux Mint 11 installed on both drives. This tutorial comes without warranty of any kind. I do not…
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Installing Alfresco 3.4.d On Fedora

This document describes how to install and setup Alfresco Content Server Community Edition by “Alfresco Software inc.” on a Fedora  based webserver from a WAR package on a Tomcat webserver with postgreSQL database as backend. For other distributions there might be minor changes as to the software prerequisites installation procedures. I took my time to…
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Bugzilla Setup on CentOS 6

About What is Bugzilla? Bugzilla is a “Defect Tracking System” or “Bug-Tracking System”. Defect Tracking Systems allow individual or groups of developers to keep track of outstanding bugs in their product effectively. Most commercial defect-tracking software vendors charge enormous licensing fees. Despite being “free”, Bugzilla has many features its expensive counterparts lack. Consequently, Bugzilla has…
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Postfix Mail Delivery SMTP Troubleshooting

To avoid delay in emails, specially for gmail. Just find which MX is working by issuing below commands: # dig mx gmail.com # telnet mx-IP/name 25 upon success, just see the name of first mx tried from /var/log/maillog and add an entry in /etc/hosts file. In my case, the entry is given below: # vim…
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Highly Available WEB Servers Cluster Configuration by using rsync and heartbeat Linux based Utilities

Highly Available  WEB Servers Cluster Configuration  by using rsync and  heartbeat Linux based Utilities Written by: Muhammad Farrukh Siddique (LPIC) Operating System on both machines: CentOS-5.3 Final  Required RPMs: Heartbeat,rsync,httpd Service to be mirrored: web service (httpd) First Machine name (fqdn): node1.ha.int  Second Machine name (fqdn): node2.ha.int IP Address of node1: 192.168.3.224 IP Address of…
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Snort RPM Based Installation with SnortSnarf and Snort Rule Creation Methods on Linux RHEL /CentOS / Fedora

RPM Based Installation of Snort with SnortSnarf and Snort Rule Creation Methods: written by: Muhammad Farrukh Siddique Snort is an open source Network Intrusion Detection System Snort can also act as Sniffer and Logger In this section we will discuss the more beneficial part of Snort that is Intrusion Detection System (IDS) Snort can also…
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How to Configure Network Time Protocol NTP Server in CentOS RHEL Fedora

We have two Linux Machines one machine is Server  and one machine is Client Server Machine 192.168.1.50 baber Cleint Machine  192.168.1.60 farrukh Server side configuration on CentOS /RHEL /Fedora [email protected]# vi /etc/ntp.conf

Need to understand what is Copyleft? (Extracted from http://Wikipedia.org)

http://en.wikipedia.org/wiki/Copyleft   (Credit goes to http://WikiPedia.org ) From Wikipedia, the free encyclopedia Copyleft symbol Copyleft (a play on the word copyright) is the practice of using copyright law to offer the right to distribute copies and modified versions of a work and requiring that the same rights be preserved in modified versions of the work. In other words, copyleft is…
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Ubuntu 12.04 Live OS Introduction Urdu CBT by Babar Zahoor

In this CBT we will learn about Ubuntu 12.04 Live OS

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