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Linux

shred - Securely delete files in Linux

Post date: January 24, 2010, 06:01 Category: Security Views: 3905 Comments
Tutorial quote: In case you want to delete some confidential data from your computer just to make sure that it is no longer accessible to anyone, then do not delete the file using the regular rm command because there will still remain a chance that someone might use a software to recover your deleted data before the specific storage area is overwritten by new data. The proper way to permanently dispose of such data in Linux is the shred command.
Linux

How To Modify Your Gnu/Linux Box To Serve As A USB Over IP Server

Post date: January 7, 2010, 13:01 Category: Installing Views: 2536 Comments
Tutorial quote: There was a long time that I was looking for a way to put away my old CRM server! But why? Because I had installed a virtualization environment with Xen and all my servers are turned to small VPS on a nice pretty infrastructure. The base point was that the CRM had a USB/Lock and there was no way to take the lock under a virtualized VPS. This tutorial shows how you can set up a USB-over-IP server.
Linux

Installing and Using Hadoop

Post date: November 28, 2009, 22:11 Category: System Views: 3866 Comments
Tutorial quote: Learn to install configure and use the open source Hadoop framework from the Apache Foundation. Basic installation, configuration, executing jobs, and using the HDFS filesystem and the Web GUI.
Linux

Retrieving XML With cURL And Simple XML

Post date: November 21, 2009, 02:11 Category: Programming Views: 4130 Comments
Tutorial quote: This tutorial explains how to use Curl and SimpleXML SimpleXML is a php5 extension used to parse XML data. Topics covered include loading XML documents, parsing nodes & attributes, and filtering data with XPath statements.
Linux

Dualbooting Vista and Linux

Post date: November 13, 2009, 13:11 Category: Installing Views: 2334 Comments
Tutorial quote: If you buy a laptop with Windows Vista (TM) pre-installed, you do not receive the Vista installation CDs. Still, you may want to dualboot Vista and Linux. This tutorial describes how to do it.
Although this tutorial uses Mandriva, it should work for each Linux distro.
Linux

Building XML With Java And DOM

Post date: October 30, 2009, 22:10 Category: Programming Views: 3561 Comments
Tutorial quote: This tutorial covers building basic XML structures in Java. Learn basic XML structure, and how to build XML in Java with DOM. Also learn to use the TransformerFactory to convert the DOM to strings.
Linux

Boot Linux Over HTTP With netboot.me

Post date: October 1, 2009, 12:10 Category: Miscellaneous Views: 3016 Comments
Tutorial quote: This tutorial shows how you can boot Linux over HTTP with netboot.me. All that users need is Internet connectivity and a small program (gpxe) to boot the machine. This gpxe program provides network booting facility. netboot.me allows you to boot into the following distributions: Debian, Fedora, OpenSUSE, and Ubuntu. netboot.me provides gpxe images for USB sticks, CDs, and also for floppies, i.e., you can boot from a USB sticks, a CD, or a floppy.
Linux

Boot Linux Over HTTP With boot.kernel.org (BKO)

Post date: September 27, 2009, 09:09 Category: Miscellaneous Views: 3075 Comments
Tutorial quote: This tutorial shows how you can boot Linux over HTTP with boot.kernel.org (BKO). All that users need is Internet connectivity and a small program (gpxe) to boot the machine. This gpxe program provides network booting facility. BKO allows you to boot into the following distributions: Debian, Ubuntu, Damn Small Linux, Knoppix, Fedora. BKO provides gpxe images for USB sticks, CDs, and also for floppies, i.e., you can boot from a USB sticks, a CD, or a floppy.
Linux

Change Ctrl + Alt + Delete Behavior To Open System Monitor, in Linux

Post date: September 24, 2009, 12:09 Category: Miscellaneous Views: 1839 Comments
Tutorial quote: Actually, I've written this post before (quite a few months ago) but then deleted it because it didn't work. In the mean time, I found out why, so I decided to post it again. I find pressing Control + Alt + Delete to open up System Monitor to be very useful, especially for Windows users who are used to it and may actually press this quite a few times before realizing it doesn't do anything or what it does in Windows. Using System Monitor, you can preview all running processes, end or kill them, see how much CPU a process is using, CPU + memory + network history, available disk space and even change how much CPU a process should use.

There are 2 ways of changing Ctrl + Alt + Delete behavior to open System Monitor: one if you are running Compiz, and one for Metacity, only to use if you are not running Compiz.
Linux

An Easy Way To Install Gnome Shell

Post date: September 21, 2009, 16:09 Category: Benchmarks Views: 3452 Comments
Tutorial quote: Gnome Shell consists of two big parts: the panel and overlay. The panel part is pretty much obvious - system tray, user name, and clock stuff and the activities button which activates the overlay -, and about the "overlay", well, take a look at this screenshot:


Basically, it allows the user to concentrate on switching to a new activity by opening new applications, documents, or both. It displays all the current user workspaces and open windows and facilitates organizing them.

So far, the Gnome Shell installation was quite time-consuming, so most people didn't try it until now. With time, however, this has changed, and you can install it by running a script. Here is how:
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