Category Archives: openSUSE

Port Forwarding with xinetd

In some network environments, where for example administration lans or some private lans are deployed, it might still be necessary to access a specific port of a machine inside that lan from the outside. Commonly, you would have to access … Continue reading

Posted in Networking, openSUSE, xinetd | Leave a comment

Xen or KVM

Since little more than half a year, I am in the process of installing a new virtualization Platform. One of the hardest decisions to make was if we should use Xen or go with KVM. We already have Xen in … Continue reading

Posted in block devices, KVM, Networking, openSUSE, Xen | 1 Comment

Migrating a Xen VM to KVM on openSUSE

Xen and KVM are the two major virtualization techologies that are freely available on linux. Although they are quite comparable performance wise, it still may be interesting to convert a Xen virtual machine to a KVM virtual machine. Xen and … Continue reading

Posted in KVM, openSUSE, Xen | Leave a comment

Xen and serial console over IPMI (SOL)

Recently I had to configure a serial over lan (SOL) console on a bigger Supermicro server (2042G-TRF for those who are interested) that should run Xen. This turned out to be not too easy and several issues had to be … Continue reading

Posted in IPMI, openSUSE, SOL, Xen | 3 Comments

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