July 2013

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Tonight I tested a Raspberry Pi model B running Raspbian as an OpenVPN-capable router. I used an Apple USB FastEthernet adaptor as the external interface. Results are disappointing. Pushing traffic through the VPN produced 90% CPU usage at about 8 Mbit with the CPU running at 700 MHz (no CPU overclocking). That’s far below what my tests with “openssl speed” produced.

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I use Geany to develop our Puppet source. * However, Geany doesn’t support Puppet manifests natively, and I couldn’t find a working example of someone who has done it. So here it is. Come and index, search engines!

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Job openings at Talia

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We’re interviewing for new Linux administration and systems development positions at Talia. Do you have a few years’ experience under your belt and want a challenge? Or have you used Linux at home and want to make the switch to being paid for it? Apply here:

You’ll be working directly with me as part of a small team. You’ll have plenty of responsibility and input into what you work on, and we’re a pretty fun group.

Update 2013-08-07: We’ve filled both roles. However, you’re always welcome to send me a CV.

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You should really, really get your Cacti RRA settings right before you begin using it. Cacti defaults to polling every 5 minutes, but a lot of enterprise users change this to 1 minute in order to provide higher resolution for troubleshooting problems. Unfortunately, there is a lot of incomplete information on how to do this.

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