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Taking control of system logs -- How to install Logger

admin — Sun, 02 Mar 2008 07:14:59 -0500

This is a HOWTO for installing Logger, a Linux-based logging utility, and taking control of your system logs. System logs can be overwhelming and are most often overlooked; many users simply do not know what to do with them or how to maintain them. Log maintenance can be a daunting task, especially if Web or mail server applications are also involved in the maintenance schedule. My goal here is to provide a simple methodology that anyone running Linux can use.

Booting Linux in Less Than 40 Seconds

admin — Mon, 04 Feb 2008 14:44:23 -0500

Have you ever dreamt about booting Linux in less than one minute? Now this dream can come true: in less than 40 seconds after pressing the power button, you will have a perfect fully-functional operating system, exactly as you left the last session. Even better than you thought, right? Now you could say: "Crazy boy - I don't believe you!" Well then, check it out for yourself.

Rule-based DoS attacks prevention shell script

admin — Fri, 13 Apr 2007 16:18:11 -0400

In this article, I describe a simple rule-based DoS attack-prevention shell script. However, the proposed shell script is not a perfect tool for preventing DoS attacks, but a powerful tool for alleviating DoS attacks overheads of the Linux servers significantly.

The Linux Virtual File System

admin — Mon, 05 Feb 2007 23:05:25 -0500

“Everything is a file in Linux” is an oft repeated statement. What this basically implies is that all the devices (Hard disks,CD ROMs, Floppy Disks, USB Sticks,etc) are all treated as files. Just to explain this a bit more ,let us consider the C function write(f,&buf,len) . You must have used this function to write len bytes of data contained in buf to a file whose File Descriptor is given by f. Linux allows you to use the same function to write to a floppy (in the simplest of cases) as well. This is because everything capable of input and output is treated as a file in Linux. This is one of the two major abstractions in Linux, the other being a Process.

MySQL Migration: MyISAM to InnoDB

admin — Mon, 24 Jul 2006 10:14:37 -0400

The MySQL database is unique in that it offers multiple storage engines. The SQL parser and front end interfaces are separate from the storage engines. This lets you choose the low level table format that suits your application best.

Allowing Exactly the Right People to Send Email

admin — Mon, 24 Jul 2006 10:08:15 -0400

If you need a solution to control email relaying, a program called Exact may be just what you need. Exact stands for EXperimental Access Control Thing. It is a POP-before-SMTP daemon that integrates with most email systems. Before getting into the details of setup and configuration, it is worth spending a little time discussing the somewhat esoteric problem it solves.

Hardening a Linux server in 10 minutes

admin — Tue, 18 Jul 2006 18:19:12 -0400

Did you know that a freshly installed Linux server can be hardened in less than 10 minutes? Here’s how!

A look at the FreeNAS server

admin — Wed, 12 Jul 2006 15:51:01 -0400

FreeNAS, an open source NAS server, can convert a PC into a network-attached storage server. The software, which is based on FreeBSD, Samba, and PHP, includes an operating system that supports various software RAID models and a Web user interface. The server supports access from Windows machines, Apple Macs, FTP, SSH, and Network File System (NFS), and it takes up less than 16MB of disk space on a hard drive or removable media.

Deploying Ruby on Rails

admin — Sun, 09 Jul 2006 01:44:26 -0400

This article is an introduction to the installation and deployment of Ruby on Rails.

How to migrate your Linux Web site to another hosting company

admin — Thu, 06 Jul 2006 16:02:52 -0400

The Web site hosting business has become more competitive in recent years. If you can find a better hosting deal, you may be able to save money by switching hosting providers. But what's the best way to move your Web site? What if you have a virtual private server (VPS) hosting several domains? What about PHP and your SQL data? The thought of moving may be daunting, but moving servers is not difficult if you plan properly. Here's how.