Category: Linux
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Gmail (& Google Apps) & IPv6
It seems that Google’s anti spam measurement for IPv6 is basically checking if the IP has a reverse DNS. If not, reject the e-mail: This is the mail system at host rootspirit.com. I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below. For…
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Wheezy Xen Dom0 & RAM
Note to self: <1Gb of RAM on a Dom0 Wheezy server causes kernel panics. Using 2Gb of RAM seems to do the trick.
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Deleting big files from your git history
I committed a couple of big binary files, which eventually really slowed down Git. Unchanged: This is how you find them, and delete them: Script (will show top 10 biggest files): And then: Elsewhere, you’ll need to rebase:
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Auto turn on a Linux Mac Mini after a power outage
Mainly a note for myself, in case I need it again in the future. And the original blog post is here. This will turn on a Mac Mini (at least PowerPC arch, not sure about Intel), running Linux, the moment it has power again. echo ‘server_mode=1’ > /proc/pmu/options Edit & Note: This option seems to be…
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Yard Sale: Mac Mini (G4)
I’m selling a Mac Mini 1.5Ghz G4 (PowerPC) with 512Mb ram. It has a 80Gb disk in it (7200 rpm I believe, but not sure). It runs Linux like a charm, and is a perfect server (and WAY faster than a Raspberry Pi). I believe the latest version to run was Mac OS X Tiger (10.4).…
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Yard Sale: Raspberry Pi’s
Today I’m selling Raspberry Pi’s. 4 are unused, new, in packaging. I have a couple more (about 6) who got used for a couple of hours, but never anything serious. I am also selling the power adapter and the laser cut casing. Raspberry Pi: €30,49/item (type B – 512 Mb RAM) PSU: €4.45/item Casing:…
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Yard Sale: WiFi adapters
Another day, another Yard Sale. I’m selling about 100 DWA-160 D-Link USB WiFi adapters (Atheros). These are compatible with Raspberry Pi and do not require an external power source. And are obviously compatible with Linux (firmware-linux-free). Some of these adapters are new, others are used. Two different generation mixed (see the WPS button in the picture). These adapters can be…
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Munin + Raspberry Pi + temperature: updated
I got a mail in my inbox about a week ago from Anthony, telling me how to improve my Munin & temp script for a RPi: Hi, I just read your (old) blog post about monitoring the temperature of the Raspberry Pi with munin[1]. I had the exact same error as you did when I was…
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Best DNS tool ever.
Dnsyo.