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HowTos

TrueCrypt Tutorial: Truly Portable Data Encryption

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HowTos

TrueCrypt is a free software that encrypts data on-the-fly. Right now the newest version released is version 4.3. You can create an encrypted hard drive, a separate partition or a directory with TrueCrypt.

Automatically update your Ubuntu system with cron-apt

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builder.au: Updating all the software on your system can be a pain, but with Linux it doesn't have to be that way. We'll show you how to combine the apt package management system with a task scheduler to automatically update your system.

Disable Single-Click Opening of Files in KDE

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HowTos

the how-to-geek: Having switched from Ubuntu to Kubuntu recently, the first thing that irritated me beyond all reason was that single-clicking on a file or folder immediately opens the file instead of selecting it. Since I use Windows and Ubuntu on a daily basis, it's just frustrating that it works differently in KDE.

Also: digiKam KDE4 port : another brick in the wall...

Ripping DVDs to MPEG4 with K9Copy

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Linux App Finder: I've blogged about K9Copy's DVD rip and copy abilities in the past, but I only just noticed that it has added one step rip to MPEG4 support. After taking it for a test drive I'm very pleased with the ease of use and plan to use it for most of my ripping needs in the future.

Also: How to install Amarok in Ubuntu (and get it to play MP3s)

Make Firefox Use Multiple Rows of Tabs

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the how-to-geek: If you are a Firefox power user like I am, then you probably have dozens of tabs open all the time. After trying a number of different options, I've finally settled on using multiple rows of tabs as the best option.

Installing Beryl Or Compiz Fusion On A Fedora 7 Desktop

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This tutorial shows how you can install and use Beryl or Compiz Fusion on a Fedora 7 desktop (the system must have a 3D-capable graphics card). With both Beryl and Compiz Fusion, you can make your desktop use beautiful 3D effects like wobbly windows or a desktop cube.

What does this /proc directory do?

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ittoolbox blogs: The linux file system to those who are familiar with it is quite sensible and logical in its organisation. If you are familiar with the deep and dark secrets you will find many things that will surprise you and make you go aaah. One of those is the /proc directory.

Tips from an RHCE: Tar vs. Star — The battle of xattrs

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red hat mag: In Red Hat® Enterprise Linux® 4, tar could not handle the extra information stored in ext2 and ext3 file systems called Extended Attributes (EAs or xattrs). This is a potential problem for backups, because SELinux and ACLs use these Extended Attributes.

Solution: Preventing damage after a system lockup

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Linux Tutorials: No matter how stable the Linux kernel is, things like hardware failures can still lock up your system quite effectively. If you ever encounter a case like that, rebooting is pretty much the only option. However, there is rebooting and rebooting. This solution describes a way to reboot your system that will do things like terminating all processes, syncing the remounting the disks, in order to prevent damage as much as possible. This can save you a lot of fscking and data loss.

Command line tip - peek into the start and end of files

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FOSSwire: Sometimes, especially when dealing with log files, you might want to peek at the start and/or end of a file to see just that bit of the file and not the whole thing. Of course, there are a couple of easy commands that allow you to do this.

Also: Change Ubuntu’s default paper size from A4 to Letter

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Security Leftovers

  • Sick of memorizing passwords? A Turing Award winner came up with this algorithmic trick
    Manuel Blum, a professor of computer science at Carnegie Mellon University who won the Turing Award in 1995, has been working on what he calls "human computable" passwords that are not only relatively secure but also don't require us to memorize a different one for each site. Instead, we learn ahead of time an algorithm and a personal, private key, and we use them with the website's name to create and re-create our own unique passwords on the fly for any website at any time.
  • Car thieves use 'mystery device' to break into vehicles
    A car manufacturer recalled more than a million cars following security concerns about car hacking, as the National Insurance Crime Bureau issued an alert about a "mystery device" being used to break into vehicles by defeating the electronic locking system of later-model cars. So-called connected car "convenience technology" could put consumers at risk. "Right now, what has happened is the digital key fob has become a way for someone to steal your car," NICB investigator James "Herb" Price said.
  • Security Considerations When Moving from VMs to Containers
    We recently ran a sponsored series from Fox Technologies on Linux.com. We want to thank the company for its support and for sharing useful information for SysAdmins and developers alike. Fox Technologies is continuing the conversation with a free webinar September 17 that will address security considerations in moving from VMs to containers. More information about this webinar is below.