Category: Linux
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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.
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Powerdns no answer on A records and others
Observed: mother ~ # dig mother.titify.com ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> mother.titify.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12227 ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;mother.titify.com. IN A ;; Query…