How to cause kernel panic

Last week we have had to test a special state of a virtual instance in our new cluster at university - KERNEL PANIC ;) So, how is the fastest was to cause it without executing malicious code? Here is the solution: echo 1 > /proc/sys/kernel/sysrq echo c > /proc/sysrq-trigger

April 23, 2014

SATA hotplug

Have you ever hotplugged a SATA Drive? With new mainboards udev will recognize the new harddisk with no effort, but if you use older hardware maybe you should check your BIOS (switch from IDE to AHCI mode) and type following command in your shell after replacing your SATA drives: echo "- - -" >> /sys/class/scsi_host/host[2|3|4]/scan For more information and a safe unmount script look here: http://www.makestuff.eu/wordpress/sata-hotplug-in-ubuntu/

April 23, 2014

Frieden und Konsum - Peter Rosei

Kaufen, konsumieren, Macht über Dinge haben, dazugehören. Aber wird das Prinzip des ewigen Zuwachses, auf dem das Kreislaufmodell unserer Wirtschaft beruht, auf Dauer zu halten sein? Die Erinnerung verziert das Erinnerte gern mit goldenen Borten. Meine beiden Großmütter konnten sehr gut nähen, stricken, flicken und stopfen, und doch stehen sie, denke ich zurück, scharf umrissen und schmucklos vor mir. Beide waren geprägt von armer Herkunft, von Krieg, Wirtschaftskrise und Geldentwertung....

January 6, 2014

Firefox uses ugly fonts on certain web pages

When Firefox uses bitmap fonts, it can happen that on certain web pages the fonts are very ugly (compared to Google Chrome for example). To fix that, just disable bitmap fonts for X: # ln -s /etc/fonts/conf.avail/70-no-bitmaps.conf /etc/fonts/conf.d/ found here … https://wiki.archlinux.org/index.php/firefox#Firefox_uses_ugly_fonts_on_certain_web_pages

November 13, 2013

Google Drive - Conditional formatting of entire rows

I was searching for a possibility to format entire rows or defined cells in condition to a formula or content of another cell. This is a really handy functionality of other spreadsheet programs. So I thought it should also be possible in Google Drive … yeah, but only with a selfwritten function. Here [1] I found the first hints and with the API [2] I finished mine: function onEdit() { var ss = SpreadsheetApp....

October 8, 2013