"DNS" tag
Yet another kind of cyber attack, eh?

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…

Preparing a Debian-based LEMP server

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…

The cop's patrolling

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….

Marching packets

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…

Oops, am under attack, again!

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…

It's time we file

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…

Indian government takes the Open Source route

Indian Government Takes the Open Source Route

The Indian Government has recently proposed to go the open source way in its e-governance projects, and the Department of Information Technology has issued a Draft Policy in this regard. The move has…

Press me to get started

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…

Perfect!

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…

Warning signs!

The Next Y2K — Are We Ready for a Web Without IPv4 Yet?

Yes, we’ve have done it again — brought the world to the brink of another disaster, because we’ve failed to foresee the exponential growth of the Internet! Read on to learn about why…

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