Openbsd

Run OpenBSD from USB on MacBook Pro

       1103 words, 6 minutes

I own a MacBook Pro (5,5 with Core 2 Duo) and wish to test running OpenBSD on it. But I don’t want any impact on my OS X installation. So I’m going to install and run OpenBSD from a USB stick. What I used A mid-2009 MacBook Pro (MacBookPro5,5); A Corsair VoyagerGT 16GB; An OpenBSD 5.0 (/snapshots/) CD; The rEFIt 0.14 boot selector.

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Remotely reboot the Freebox Server from OpenBSD

       119 words, 1 minutes

The Freebox Server is an ADSL/FTTH router provided by the french operator Free SA. From it’s Web interface, you can apply changes and reboot the box. But if you can’t access this Web interface, you just won’t be able to reboot the box. Didier Segura provides a PHP script that can be used to remotely reboot the box . On my OpenBSD box, the installation and launch is quite straight forward:

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Monitor a Synology NAS with Munin

       424 words, 2 minutes

My Synology DiskStation DS409slim is, via the DSM software, SNMP aware. This means I can poll it to get some information using a SNMP capable monitoring system. This is how I configured Munin to grab some metrics from the NAS.

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Enable gzip compression on OpenBSD’s Apache

       436 words, 3 minutes

OpenBSD ships with Apache 1.3.x. It is better, faster, stronger, etc… but it isn’t compression-capable by default (AFAIK). Here are the directions to enable compression for all your Web resources:

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Monitor Apache SSL with Munin

       73 words, 1 minutes

On my munin-node-1.4.5p5, I can only graph HTTP activity ; no HTTPS. There is a plugin though that enables graphing both HTTP and HTTPS. Grab the plugin here ; Copy it in /etc/munin/plugins/ in replacement for the original Munin plugin ; Configure /etc/munin/plugin-conf.d/openbsd-packages to know about the Apache ports to monitor: (...) [apache_*] env.ssl yes env.port 80 env.ports 443 (...) Restart munin_node Wait about 5 minutes and check your new shiny HTTP/SSL graphs!

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