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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 and configuring Cacti on CentOS 5.2.

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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.
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Linux Software RAID--A Belt and a Pair of Suspenders

Linux comes with software-based RAID that can be used to provide either a performance boost or add a degree of data protection. This article gives a quick introduction to Linux software RAID and walks through how to create a simple RAID-1 array.
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Finding and Trimming Linux Bloat

I ate way too much pizza tonight. I know I'll be sorry tomorrow morning when I step on the scale. That darn scale tells me right off if I'm getting bloated. It should be just as easy with programs, right?

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Tech Tip: Removing Unnecessary Packages on Debian Systems

The command deborphan can be used to check for unnecessary (orphaned) packages.
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