A Primer on Evil Twin Wireless Attacks

In a scenario where we are using freely available public wireless networks all the time, security considerations are vital. Wireless attacks can be launched on the unwary and unprepared in several ways. An…

Server monitoring

A Detailed Review of Distributed Network Monitoring

Distributed network monitoring involves receiving performance reports about the state of the network from various locations in it, via different types of pollers. This article deals with the concept at great length. Distributed…


Installing and Configuring Nagios Core on Linux

Here’s a comprehensive guide on the Nagios network and system monitoring software application, which covers the installation and configuration of Nagios Core on a Linux system. It also includes the creation of custom…


Observium The Tireless Network Monitor

Network monitoring involves constant monitoring of how the network functions by collecting useful data from its various parts, which helps to alert the network administrator in case of failures. Observium is an open…

Linux Shell Scripts

Shell Scripts you will love to use

In this article, I will share a few of my shell scripts which will be helpful in automating repetitive infrastructure task. All Scripts are written and tested on RHEL 6.1 x86. What the…

Salt stack visual

SaltStack: Grains, Pillars, Targeting and Render Systems

In this third and concluding article in the series on SaltStack, which makes software for configuration management, infrastructure automation and cloud orchestration, we look at the various components of SaltStack. (Read Part 1…


Relax with Apache CouchDB

Traditional relational databases are not designed to cope with the varying agility and scaling requirements of modern day applications; nor can they be made to run on cheap, readily available commodity hardware. This…

configure tools

Use Salt for Basic Configuration Management

Salt, the Python-based open source configuration management and remote execution application, can be used to actually do basic configuration management. Let’s find out how This article assumes that you are familiar with what…

showing presentation in salt programming

Automate Repetitive Tasks with SaltStack

SaltStack is an open source, scalable, flexible systems management software that can be used for data centre automation, cloud orchestration, server provisioning and configuration management. CM or configuration management is common terminology in…

Network security with network cable

iptables: The Default Linux Firewall

This article deals with iptables, which is a built-in firewall in Linux. The authors explain the commands to configure iptables for various situations, thus making this a must-read for newbies. The term ‘firewall’…

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