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OSX

A mini-guide to Mac OS X for new Mini owners

Post date: April 12, 2005, 17:04 Category: Miscellaneous Views: 4524 Comments
Tutorial quote: One thing the Mac mini does not have is a comprehensive “welcome to OS X” guide. Printed documentation included with the mini is scanty — primarily EULA and warranty information, and Apple has never been one for flashy tutorials. That’s why we at Ars have pulled together a short list of things every newcomer to Mac OS X needs to know.

This guide is not intended to be comprehensive and answer every conceivable question Windows and Linux users will have about their new platform. What it does intend to do is give you the lowdown on some basic things: window management, accessing your Windows box from the Mac, and application behavior.
Linux

Linux tools for study and analysis of biological information

Post date: May 24, 2005, 18:05 Category: Software Views: 3202 Comments
Tutorial quote: This article wants to show some of the advantages of Perl programming on Unix, for extraction of the biological information of the DNA, RNA and proteine sequences Databases. They can be used in comparative processes or analysis. The Human Genome project and the DNA clonation techniques have accelerated the scientific progress in this area. Daily generated information in this field outgrows often the capability of processing this information from an evolutive viewpoint.

The fast proliferation of the biological information on different genomes (dowry of genes of an organism) is driving bioinformatics as one fundamental discipline for the handling and analysis of these data.
OpenSUSE

Conky - Lightweight system monitor in openSUSE

Post date: May 11, 2009, 22:05 Category: System Views: 6684 Comments
Tutorial quote: Conky is a free, light-weight system monitor for X, that displays any information on your desktop. Conky is licensed under the GPL and runs on Linux and BSD. Conky has more than 250 built in objects, including support for a plethora of OS stats (uname, uptime, CPU usage, mem usage, disk usage, “top” like process stats, and network monitoring, built in support for IMAP and POP3 and many popular music players (MPD, XMMS2, BMPx, Audacious).
XenServer+Express

Virtualization With XenServer 5.5.0

Post date: June 28, 2009, 11:06 Category: Installing Views: 12577 Comments
Tutorial quote: This Howto covers the installation of XenServer 5.5.0 and the creation of virtual machines with the XenCenter administrator console. XenServer is a free virtualization platform from Citrix, the company behind the well known Xen virtualization engine. XenServer makes it easy to create, run and manage Xen virtual machines with the XenCenter administrator console. The XenServer installation CD contains a full Linux distribution which is customized to run XenServer.
Debian

Wireless networking using the ndiswrapper module

Post date: June 4, 2006, 17:06 Category: Network Views: 6570 Comments
Tutorial quote: Getting wireless networking working with the ndiswrapper driver is fairly straightfoward if your card has an associated Windows driver. Here we'll look at getting wireless networking working for a Dell Inspiron 1300, you should be able to follow the recipe for most other wireless networking cards which are supported ndiswrapper.

ndiswrapper is a collection of utilities which essentially allows you to load and run a network card driver written for Microsoft Windows upon your Linux kernel. This means that a card which isn't supported natively may be used indirectly.
Zentyal

Zentyal As A Gateway: The Perfect Setup

Post date: May 26, 2011, 10:05 Category: Installing Views: 6603 Comments
Tutorial quote: Zentyal is a Linux Small Business Server, it lets you manage all your network services through one single platform. It's a Network Gateway, as well as an Infrastructure, UTM (Unified Threat Manager), Office and Communications Server. All these features are fully integrated and easy to configure, it truly helps to save system administrators time. In this tutorial you will see how to set up a Zentyal Server to act as a gateway in a very common scenario. Zentyal will provide basic network infrastructure, load balancing between two Internet providers, firewall and HTTP proxy caching and content filtering.
OpenSUSE

Byzanz - free opensource Desktop Recording (command-line) tool

Post date: October 11, 2008, 22:10 Category: Desktop Views: 4438 Comments
Tutorial quote: Byzanz is a free opensource GNOME based Command-Line utility to capture desktop recording software for linux. This should probably be the coolest command-line utility that I have seen in recent days. Byzanz records your desktop session to an animated GIF. You can record your entire screen, a single window, an arbitrary region or even follow the cursor. Given that it is only a GIF format makes it even more an interesting proposition as the file size is going to be very small.
Ubuntu

Enable WPA Wireless access point in Ubuntu

Post date: February 15, 2007, 01:02 Category: Network Views: 5364 Comments
Tutorial quote: I have a Thoshiba laptop at home, I was running “Edgy Eft” (Ubuntu Linux 6.10) But one of the important things about it was its inability to connect to WPA-encrypted Wifi access points.In my home i have a WPA Enabled Wireless router so i need to connect to my wireless network using WPA.I am giving the procedure that worked for me to enable wpa in my toshiba laptop.This will work most of ubuntu users who is trying to access WPA network.
Ubuntu

A much easier way to install Ubuntu on a USB device (Stick or Hard Disk)!

Post date: June 1, 2008, 21:06 Category: Software Views: 5164 Comments
Tutorial quote: This tutorial will explain A much easier way to install Ubuntu on a USB device (Stick or Hard Disk).I was reading How to install Ubuntu Linux from USB Stick posted a while ago, and found it to be quite some work to get Ubuntu working on a USB stick. Besides, having to prepare your USB device, creating a separate partition on it which will be more or less useless after the installation, giving up 750MB of space?

Unix+clones

Screen: an introduction and beginner's tutorial

Post date: April 15, 2005, 23:04 Category: Software Views: 3420 Comments
Tutorial quote: Most modern Unix-based operating systems (e.g. Linux, MacOS X, and BSD) come with a little console-mode utility called GNU Screen. It's a powerful tool in the hands of the console warrior, a veritable Swiss Army knife of text-mode human-computer interaction.

This utility, despite its considerable usefulness, goes unused by a great many people. Why is this? Few people even know it's there, and those that do rarely understand the problem it solves. In this article, I will explain what screen does for you, and provide a simple set of instructions for accomplishing basic tasks using screen. My audience is those that are skilled with the command line but who have little or no experience with screen itself.
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