Data Rescue Lifebuoy

Feb 24, 2014

Armed only with standard Linux tools, users can recover files, resurrect partitions, and rescue damaged media.

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Consolidating Logs with Logstash Collect and Analyze System Data from a Single Interface

Jun 18, 2013

When something goes wrong on a system, the logfile is the first place to look for troubleshooting clues. Logstash, a log server with built-in analysis tools, consolidates logs from many servers and even makes the data searchable.

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Resetting Passwords with SystemRescueCd Resetting passwords with a Live Linux system

Jun 21, 2012

If you’re locked out of your Linux or Windows system, a handy Live Linux troubleshooting distro might be all you need to get back in. We’ll show you how to pick the lock with SystemRescueCd.

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UEFI and Secure Boot No Free Boots

Jun 20, 2012

The imminent Windows 8 implementation of UEFI with Secure Boot adds an extra layer of complexity for some Linux users. We look at the problem and two solutions from Fedora and Canonical.

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Bash Tips: Debugging and Configuration

Apr 19, 2012

Even tried and trusted configurations that have proved their value through the years can be tripped up by special cases – for example, all of your users logging in with the same IP address. Experienced administrators and Bash aficionados will then enable debugging and launch a systematic search for configuration errors.

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Qemu and the Kernel Debugger

Feb 23, 2012

Debugging the kernel of a running operating system has always been tricky, but now the Qemu emulator supports cross-platform kernel and module debugging at the programming language level.

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Debugging for Admins Problem-solving best practices for sys admins

Feb 21, 2012

Whether you’re the sys admin of a home network or of a company-wide network of dozens or even hundreds of machines, some basic principles of debugging will come in handy.

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Rescuing Lost Files with TestDisk and PhotoRec Saved!

Feb 12, 2012

TestDisk and its cousin PhotoRec will help you recover the data you thought you’d lost.

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