WordPress is one of my favourite blog engines because it’s easy and supports many plugins. WordPress also available in multi-user mode which means a single WordPress installation will cover many users with their own subdomain. This howto will show the steps taken to install WordPress wpmu on a server running FreeBSD 7 stable. 1. Download [...]

Securing your Linux server is important to protect your data, intellectual property, and time, from the hands of crackers (hackers). The system administrator is responsible for security Linux box. In this first part of a Linux server security series, I will provide 20 hardening tips for default installation of Linux system.       #1: [...]

  These are full-featured cross-platform softwares, free as in beer and speech. Vivek Gite picks his best open source software of 2009.   #1: Inkscape ( Vector Graphics Editor )   Fig.01: Inkscape is used by artist/illustrator/designer as vector graphics editor Inkscape is a vector graphics editor. It is similar to Illustrator, CorelDraw, and Xara [...]

  This article describes how to set up database replication in MySQL. MySQL replication allows you to have an exact copy of a database from a master server on another server (say we can call it as slave), and all updates to the database on the master server are immediately replicated to the database on [...]

  Network-attached storage (NAS) is a dedicated data storage technology. The NAS server provides centralized data storage, which is easily accessible to users who belong to different networks over the Internet. There are different applications that can be implemented using NAS, such as data storage and file sharing. The purpose of the NAS server that [...]

  The whole process of securing a Server or network is quite extensive. I’m discussing just one major aspect of Security here – Firewalls. Specifically my topic is about APF firewall. I’m dividing this article into 2 sections :- The first section is for amateurs. The second section is strictly for experts, at least for [...]

  Smbind is a PHP-based software tool for managing DNS zones for BIND via the web interface. This supports the per-user administration of zones, error checking, and a PEAR DB database backend.   1. INSTALLATION Please download the smbind tar file from the download section using wget. # wget http://jaist.dl.sourceforge.net/sourceforge/smbind/smbind-0.4.7.tar.gz # tar -zxvf smbind-0.4.7.tar.gz # [...]

  Has your data been stolen? Did you even notice it? Prevention is better than cure. A good intrusion detection system that detects stealthy movements will help you. Intrusions to your corporate network can be blocked by the implementation of IDS. It can be very powerful if it is implemented the right way. Intrusion Detection [...]

  DDOS, or Distributed Denial of Service is an advanced version of DOS(Denial of Service) attack. Like DOS, DDOS also tries to deny important services running on a server by broadcasting packets to the destination server in a way that the Destination server cannot handle it. The speciality of the DDOS is that, it relays [...]

This tutorial explains how you can install and configure APF – an interface to IPTables which lets you easily configure a full featured firewall to secure servers and workstations connected to a network. This guide describes an example installation on a server with cPanel but it’s only a matter of port numbers which must be [...]