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Ubuntu

VBoxHeadless - Running Virtual Machines With VirtualBox 3.0 On A Headless Ubuntu 9.04 Server

Post date: July 19, 2009, 11:07 Category: Installing Views: 2031 Comments
Tutorial quote: This guide explains how you can run virtual machines with Sun VirtualBox 3.0 (released on June 30, 2009) on a headless Ubuntu 9.04 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.
Ubuntu

VBoxHeadless - Running Virtual Machines With VirtualBox 3.1 On A Headless Ubuntu 9.10 Server

Post date: February 2, 2010, 13:02 Category: Installing Views: 3253 Comments
Tutorial quote: This guide explains how you can run virtual machines with Sun VirtualBox 3.1 on a headless Ubuntu 9.10 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.
Linux

NFS over CIPE-VPN tunnels

Post date: May 23, 2005, 16:05 Category: Network Views: 2834 Comments
Tutorial quote: The Network File System (NFS) is a standard protocol for sharing file services with Linux and Unix computers. It is a distributed file system that enables local access to remote disks and file systems and is based on the client\server architecture. Although easy to configure, it is typically used only to transfer data over an intranet or LAN because of its transparency and security potholes when exposed to the risks of the Internet. However, it still can be employed -- without compromising security -- to share files over the Internet by configuring it to run on a Virtual Private Network (VPN) connection. This article will show you how to set up NFS to run over a CIPE-VPN connection between two Linux systems.
Linux

Penguin Pete's X Window Manager and Desktop Environment Guide

Post date: January 6, 2007, 22:01 Category: Desktop Views: 2400 Comments
Tutorial quote: A tour of the desktops you will encounter on 99% of the Linux distributions out there. Each with screen shots, a review, and links. Written to help the new Linux user get familiar with the Linux desktop scene and help them decide which one is right for them.
OpenSUSE

Mac OS like Dock in openSUSE (Avant Window Navigator)

Post date: September 26, 2008, 16:09 Category: Desktop Views: 3704 Comments
Tutorial quote: Avant Window Navigator (AWN/Awn) is a dock-like navigation bar for the linux desktop that positions itself at the bottom of the screen. It can be used to keep track of open windows and behaves like a normal window list.
OpenBSD

Hardening OpenBSD Internet Servers

Post date: April 11, 2006, 22:04 Category: Security Views: 9241 Comments
Tutorial quote: This tutorial on how-to harden or improve security on OpenBSD Internet servers includes sections that apply to any UNIX system. Hardening is making a computer more secure by removing unneeded functions, restricting access and tracking changes and processes. It was revised to cover OpenBSD 3.0 on Dec. 15, 2001 and includes an overview of the 2.9 to 3.0 changes. A new page on priorities ranks the value of the techniques presented here. Familiarity with UNIX system administration but not OpenBSD is assumed.
OpenSUSE

Screenlets - Desktop applications, widgets and screen addons for openSUSE

Post date: August 5, 2008, 17:08 Category: Desktop Views: 4961 Comments
Tutorial quote: Screenlets are small owner-drawn applications (written in Python) that can be described as “the virtual representation of things lying/standing around on your desk”. Sticknotes, clocks, rulers, youtube, gmail and more. Screenlets are free opensource software released under GPL License. Screenlets use GTK2 & Cairo for drawing and windowing.
Unix+clones

Convert any video file to DVD with open source tools

Post date: April 28, 2006, 17:04 Category: Multimedia Views: 4273 Comments
Tutorial quote: You've just downloaded the new episode of your favorite video podcast, and you'd like to watch it on your big-screen TV. Unfortunately, the video is encoded in XviD or QuickTime format, which your DVD player doesn't support. Don't worry -- here's how you can convert any video file to DVD using dvdauthor and MPlayer.
Mepis

Mepis + apt = Working On Easy Street

Post date: April 13, 2005, 19:04 Category: System Views: 5682 Comments
Tutorial quote: My reasoning for combining the traditional Debian apt command with Mepis was speed and efficiency. Also, in the fine tradition of open source, I could choose to use the command line instead of the Kpackage or Mepis System Center package management screen. This is a good way to learn about Debian systems that builds confidence for new users right off the bat.

Let's see how apt works with Mepis.
Linux

Linux tools for study and analysis of biological information

Post date: May 24, 2005, 18:05 Category: Software Views: 2310 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.
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