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Tune your Linux-based server for power efficiency - Linux tutorial
Part 1 introduces the components and concepts you'll need to tune your system for power efficiency. Part 2 compares the five in-kernel governors: performance, powersave, userspace, ondemand, and conservative. Part 3 show you what results you can achieve by power tuning your system.
More cool Linux tutorials:
Shared library memory footprints on AIX 5L
Learn about shared library mechanisms and memory footprints on IBM AIX. This article is essential for developers writing server code or administrators managing production AIX systems. It offers developers and administrators commands and techniques, and gives the understanding necessary to analyze memory requirements of server processes on AIX.
IPTABLES explained: Part 3 (Creating a complex IPTables script easily)
SCENARIO: A friend of mine had a problem, he has a home network similar to mine and a Wireless Access Point (AP) that he wanted to use since mobility is everything. We sat down and designed his network and then wrote an iptables script for his setup.What follows is a more or less picture so you get the idea what the system / network looked like:
Hide your folders in KDE
Want to keep your MP3s away from your boss’ or big brother’s view? Of course, in Linux anything that starts with a period is “suppose” to be hidden; but all we have to do is type “ls -A” or turn on the viewing of hidden files in KDE…not too hard. Basically what we can do is set a transparent PNG as our folder icon, and rename our folder with a ” “(space). This will actually keep the previous name of the folder.Also we will keep anyone out of the folder that doesn’t know Linux commands, and doesn’t know exactly where we have placed the icon. This works GREAT for the desktop.
Setting Up Your Server With cPanel and WHM
How to download and install cPanel on your server.
Building a cheap secure wireless (WLAN) infrastructure with OpenVPN and Linux (an advanced tutorial
Having "wireless LAN" access (WLAN) in your office is nowadays almost a given. The challenge comes though on how to secure your WLAN and how to deploy it correctly. You probably want the least overhead for administration and a very flexible, yet secure deployment. Since WLAN access points (AP's) have a semi limited range depending on your building, you might want to deploy more then one AP per floor, or even one AP per meeting room. But creating different networks for each meeting room is pretty much out of the question.