byVivek GiteonAugust 13, 2007 last updated August 13, 2007
This is an interesting idea. This small howto will teach you to wire up a Power Over Ethernet (POE) cable AND make it provide power INTERNALLY i.e. no external power connector going into the router. So if you have limited space in your outdoor AP enclosure, you can use this hack. You can also apply this hack to other linksys products.
byVivek GiteonJuly 7, 2007 last updated July 7, 2007
Here is an interesting Slackware review and some helpful hints about the newly released Slackware Linux version 12:
I'm big fan of Slackware Linux, I have used it since the 9.0 version, and I am very happy with this distribution, in the beginning was challenging to setup mostly because I was a newbie, today I am installing and reviewing the recently released version 12
On a related note use SlackBook project book to get you started with the Slackware Linux operating system.
byVivek GiteonJuly 5, 2007 last updated July 5, 2007
A device driver is computer program allowing other computer programs to interact with a computer hardware device. Writing a Linux device driver is considered as a black art by many. If you ever been tempted to try writing a device driver, this howto will serve as a kick start guide:
For many seasoned Linux developers, device drivers still remain a bit of a mysterious black art practiced by a select few. While no single article could possibly attempt to covered everything there is to know about writing drivers, Valerie Henson gives us a brief taste of what's involved, by implementing a device to return "Hello World" using all the major driver frameworks.
On a related note if you just want get a comprehensive overview of kernel configuration and building, a critical task for Linux users and administrators, try Linux Kernel in a Nutshell
byVivek GiteonAugust 31, 2006 last updated November 16, 2013
The BIOS is Basic Input/Output System used by a computer, which embedded on a chip on a computer's motherboard. It is used to controls various devices connected to your computer. When you turn on the computer, the BIOS starts up and perform a Power-On Self Test (POST). The BIOS will check all devices connected to your computer such as the CPU, RAM, the video card, the sound card and so on. Once the post test has completed, the BIOS will looks for Linux operating systems on the hard drive. At this point, the Linux takes over control of your computer and finishes starting up system in GUI or text based mode. [click to continue…]
byVivek GiteonJanuary 12, 2006 last updated November 15, 2009
Recently I was asked to control access to couple of services based upon day and time. For example ftp server should be only available from Monday to Friday between 9 AM to 6 PM only. It is true that many services and daemons have in built facility for day and time based access control. [click to continue…]