Tutorials

Installing Cacti on CentOS 5

Cacti is a GPL-licensed, scalable, RRDtool-based monitoring program with flexible graphing options. This article describes the process of installing...
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Tech Tip: Encrypt Files with GPG

Encrypting files from the command line is simple with gpg. You can use it to encrypt and decrypt files with a password. The command gpg is part...
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The Kernel Newbie Corner: Kernel Debugging Using proc "Sequence" Files--Part 1

Over this column and the next one (and possibly the one after that, depending on how detailed we get), we're going to discuss kernel and module...
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Linux Software RAID--A Belt and a Pair of Suspenders

There is an old phrase about wearing a belt and a pair of suspenders if you want to make sure your pants stay up (why haven’t plumbers figured...
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Finding and Trimming Linux Bloat

If you're running on a low-memory system -- and these days, anything with less than two gigabytes qualifies as low-memory -- it would be handy to...
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Linux Migration Guide: Everything You Never Wanted to Know About Linux Maintenance

There's no avoiding it, if you're using a computer (or just about anything else) the operating system needs to be maintained. This article addresses...
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The Kernel Newbie Corner: Kernel and Module Debugging with gdb

This week, we're going to demonstrate how to do some very basic debugging of both your running kernel and a loaded module using the gdb debugger...
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Tech Tip: Removing Unnecessary Packages on Debian Systems

Article Source Linux JournalAugust 11, 2009, 6:39 am The command deborphan can be used to check for unnecessary (orphaned) packages. By default...
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SYSSTAT Howto: A Deployment and Configuration Guide for Linux Servers

I remember one of the first things that attracted me to computers--well, besides Pac-Man--was the blinking lights. Blue, amber, red, or green, I...
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OpenOffice.org: Cross-References Revisited

Article Source Linux JournalAugust 10, 2009, 9:31 am   Over the last few releases, cross-references have improved immensely in OpenOffice.org....
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