Monthly Archives: March 2011

iTunes on openSUSE 11.4

In order to use iTunes University, I had to install iTunes on my notebook that is running openSUSE 11.4. It is quite easy to get some old version of iTunes from http://www.oldapps.com/itunes.php but trying to install it on a 64bit … Continue reading

Posted in iTunes, openSUSE, wine | 3 Comments

Simple udev Manipulations

When discovering the /sys file system, one can find quite a number of tunables that look interesting and really have effect on system behavior. Especially when experimenting with different values of read ahead for block devices or e.g. setting the … Continue reading

Posted in block devices, Hardware, openSUSE | Leave a comment

Xen – Removing Virtual Frame Buffer

I recently had to remove the frame buffer device from a Xen guest for debugging purposes. The frame buffer configuration in the sxp file looks like this: (device (vfb (vncunused 1) (uuid ????????-????-????-????-??????????) (keymap en) (location 127.0.0.1:5909) (type vnc) (xauthority … Continue reading

Posted in openSUSE, Xen | Leave a comment

openSUSE on HPPA

This might be surprising for one or the other, but I do have a big part of openSUSE:Factory built for hppa. What I have is a dedicated build service machine that does nothing but running a hppa build service and … Continue reading

Posted in Build Service, HPPA, openSUSE | Leave a comment

Checking Block IO in Linux

For many workloads, performance in current systems is most often limited by IO. Be it memory IO as looked at in Linux and Memory or be it file system IO. The file system strongly depends on the underlying block device(s). … Continue reading

Posted in block devices, Hardware, openSUSE | Leave a comment