cacti

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I recently acquired a TEMPer USB thermometer. It’s a cheap, convenient way to measure temperature in your server closet or machine room. My home “server closet” consists of the living room entertainment center, which is an enclosed wooden structure. It gets pretty hot, so I decided to track the ambient temperature with Cacti.

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I use a number of open-source tools that rely on rrdtool to generate graphs. Cacti uses it for its core functionality. BackupPC uses it to graph storage pool usage over time. Unfortunately, the files it generates are architecture-dependent. This means that if you upgrade your BackupPC server from i386 to amd64, your pool graphs will mysteriously disappear. Shall we fix that?

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