News Category: Enterprise

How to recover lost files after you accidentally wipe your hard drive

By Shawn Hermans After the overwhelming feeling of dread passed, I started to look into file recovery options. I demoed a variety of commercial products to see if any of them could find my lost files or partitions. Nothing seemed to work. Finally, I discovered TestDisk and PhotoRec, and was able...
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Installing a firewall on Ubuntu

Frankly, I'm glad that the default install doesn't set up a firewall. Most of my computers live behind a firewall at all times anyway, and I've always been annoyed by installers that demand I deal with firewall questions when I've already got the situation well in hand. If I want a firewall on a...
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How to use VMware Player to create your own images

The easiest way to get a virtual image is to have someone with VMware Workstation create one for you, or to download a pre-made image from VMware. If you don't know anyone with a copy of Workstation, or the OS you want isn't available as a VMware appliance, you're out of luck. For example, if you...
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How to suspend and hibernate a laptop under Linux

By Manolis Tzanidakis Most modern laptops use Advanced Configuration & Power Interface (ACPI) for power management, so we'll focus on that. Since ACPI support for Linux (ACPI4Linux) is in constant development, you'll need a recent kernel (2.6.15 or later) in order to utilize all the latest...
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Faster remote desktop connections with FreeNX

By Marc Abramowitz FreeNX is based on the Italian company NoMachine's NX technology, which is designed to be fast enough to be usable over even the slowest of network connections. The NX protocol is general enough that you can use it to efficiently tunnel and accelerate Windows Remote Desktop...
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Linux distros for older hardware

For these tests, I dug out Igor, an old PC that had been collecting dust in my closet. Igor is a Pentium II 233MHz machine with 64MB of RAM, an 8x CD-ROM drive, a 3GB hard drive, and an integrated ATI 3D Rage Pro video card with 4MB of video RAM. You can run Linux on older and slower machines, but...
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Disk usage analysis and cleanup tools

By Mayank Sharma Some distributions set up cron jobs that warn you when disk usage exceeds a certain percentage. But when your usage gets flagged as high, it's deciding what goes and what stays that takes time. Finding the right file or folder to get rid of can be a chore if you have a huge disk....
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Building a Linux home media center

By Tom Lynema My LHMC would have to interface with my existing home configuration via a wireless network with WPA security enabled and output to my television's S-Video or composite inputs, and it would have to connect to my media server via NFS. For my LHMC hardware I choose the MSI MEGA 180. One...
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An introduction to services, runlevels, and rc.d scripts

A Linux service is an application (or set of applications) that runs in the background waiting to be used, or carrying out essential tasks. I've already mentioned a couple of typical ones (Apache and MySQL). You will generally be unaware of services until you need them. How can you tell what...
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Auditor: The security tool collection

By Mikael Vingaard To get started, download the latest image of Auditor and burn it as a bootable image. Remember to use the image option -- just copying the file will not produce a bootable image. After you have successfully written the image to disc, you can start Auditor directly from the CD....
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