How can I list the open ports on my system and the process that owns them?
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.
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
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)
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
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.