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Sometimes, especially on the command line, it happens that you delete a file or directory you didn’t really plan to delete. A second after hit enter you realize what you have done, maybe you are fast enough to stop the deletion process and save some files, but in the most cases it’s already to late, at least for some files.  If you have no or a too old backup you’re screwed. If you use ext3/ext4 you may be able to recover the file with ext3grep or extundelete with information from the file system journal if the content of the file wasn’t already overwritten by new data. The first step should be to stop all writing processes on the related partition and unmount that partition as...

First and foremost of all, please don’t mix a Hacker with a Cracker. A Hacker is someone that has “technical adeptness and a delight in solving problems and overcoming limits” (http://insideinformationdaily.info/gold-2012.htm) While a Cracker is the popper word for someone that uses security penetration techniques in order to gain access to something. If you dare to mix the two, Linux fanatics...

This tutorial shows how you can enable Compiz Fusion on a Linux Mint 11 desktop (the system must have a 3D-capable graphics card – I’m using an NVIDIA GeForce 8200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop. This document comes without warranty of any kind! I do not issue any guarantee that this will work for you! 1 Preliminary...

Logical Volume Management is a vast improvement over standard partitioning schemes. Among many other things, it allows you to decrease the size of a volume without recreating it completely. Here’s how.  First, as is always the case when you’re modifying disk volumes, partitions, or file systems, you should really have a recent backup. A typo in one the following commands could easily destroy...

We first covered the release of VirtualBox 4.0 back in January. Amongst other improvements and new features, 4.1 adds VM cloning and a nascent PCI passthrough feature. The new cloning feature allows the user to easily make a copy of an existing VM including the hard disk image and all associated settings. It’s going to be particularly handy for people like me who create a lot of blank VMs with...