MySQL is the most widely used multi-user, multi-threading SQL database management system. To optimize MySQL performance, a DBA should have reasonable knowledge of MySQL system variables. This article covers the basics of MySQL server optimization. We will first discuss MySQL optimization during installation. Then we will discuss the seven most important and common system variables. [...]

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: Encrypt Data Communication
All data [...]

 
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 X. This is perfect for object [...]

 
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 the [...]

 
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 I [...]

 
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 those who are [...]

 
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
# cd smbind-0.4.7/

You will need to create a [...]

 
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 System(IDS) is [...]

 
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 attacks [...]