Cyber Attacks Explained: DNS Invasions
We often read about defaced websites whose pages get changed to some malicious content. How do hackers do it and how do we protect our infrastructure from them? This article is about how…
WordPress on Nginx, Part 1: Preparing VPS the Debian Way
In this first part, we deal with the LEMP (Linux, Nginx, MySQL, PHP) stack recipe and set up the basic server after installing the required packages. It started off thus: The theme developer…
Guard Your Network with IPCop, Part 1: Installation Basics
The classic version of IPCop 1.4.20, which was released on July 24, 2008, was immediately upgraded to the 1.4.21 ISO installer. The much awaited version 2.0 has been out since September 23, 2011….
Cyber Attacks Explained: Packet Spoofing
Last month, we started this series to cover the important cyber attacks that impact critical IT infrastructure in organisations. The first was the denial-of-service attack, which we discussed in detail. This month, we…
Cyber Attacks Explained: DoS and DDoS
With this article, we begin a new series on the major kinds of cyber attacks that weaken the IT security infrastructure within organisations. With the rapid spread of Internet technologies and applications, the…
Storage Management using Openfiler, Part 3
The first article of this series discussed basic installation and configuration; the second described some advanced Openfiler features including bonded interfaces and RAID 1 data storage, with some important setup instructions and troubleshooting…
WordPress Multi-site Servers on Production Machines
Everybody knows how to set up a LAMP machine and get a WordPress site running, using the famous three-minute installation. But how many of you can actually get WordPress 3′s new multi-site capability…
The Nagios Setup Explained
In this article, we shall discuss Nagios, an open source software that is deployed in most data centres to monitor various system and network parameters. The practice of appointing prefects is a time-honoured…






