FAQ Updates – May/27/2011

Posted on in Categories Sys admin last updated May 26, 2011

Our FAQ section is updated in last few days with new howtos:

  1. Linux Find Out CPU Architecture Information
  2. Gnome Network Manager VPN Tab Disabled ( Greyed out )
  3. Gnome Volume Control: Disabled Sound Themes
  4. Debian Linux (Squeeze) Install Firefox 4
  5. UNIX: Find Out the Server Model
  6. Linux / UNIX: Run Command a Number of Times In a Row
  7. Linux: TMOUT To Automatically Log Users Out
  8. RHEL 6: Change OpenSSH Port To 1255 ( SELinux Config )
  9. RHEL 6: semanage SELinux Command Not Found
  10. HowTo: UNIX Set Date and Time Command

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Slackware 12 Review Notes and Howtos

Posted on in Categories Linux, Linux distribution 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.

Slackware 12 Review

Linux device driver tutorial using kernel driver frameworks

Posted on in Categories Howto, Linux, Open source coding 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

/dev/hello_world: A Simple Introduction to Device Drivers under Linux (linuxdevcenter.com)

HowTo: Flashing Your System BIOS Under Linux

Posted on in Categories Hardware, Howto, Linux last updated August 31, 2006

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

Iptables Restricting Access By Time Of The Day

Posted on in Categories Debian Linux, Howto, Iptables, Linux, Linux desktop, RedHat/Fedora Linux, Sys admin, Tips, Ubuntu Linux last updated January 12, 2006

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.