High CPU-usage with VirtualBox on dual-core CPU while Guest(s) are idle

I installed VirtualBox 3.0.6 and installed a couple of Guest OS’es. During the installation of a OEL 5.3 Linux as Guest, I discovered that the VirtualBox process for this Guest on the host was consuming between 55% and 85% of CPU usage, even though the Guest’s top showed that the Guest was idle.
It seems to [...]

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I find it not always easy to find the correct theme, with the correct icons and the correct colour scheme. The letters should not be to be big or to small. Menu’s and windows and widgets should look nice, but remain visible and easy to distinct from their surrounding. For now I feel comfortable [...]

Continue reading about A nice Ubuntu Gnome Desktop Theme »

Compiz works fine on my new 64 bit Dell Latitude E6400 laptop’s LVDS screen. Only after connecting a big LCD screen and using gnome-display-settings to extend my Desktop to this monitor, compiz fails to start and makes the following complaint:
Comparing resolution (3040×1200) to maximum 3D texture size (2048): Failed.
I was wondering why. I hoped it [...]

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Since VMWare Server 2 everything is administrated from a webinterface. This works nice and looks nice. Unfortunately I could not open the Console to the Guest OS. Starting and stopping the Guest OS no problem, but no graphical console. When opening the console in the webinterface, a plugin must be installed in firefox. This is [...]

Continue reading about Server Console Firefox plugin VMWare Server 2.0.1 ( 2009/03/31 | Build: 156745 ) not working »

The CTRL-ALT-DELETE option in the Server Console of VMWare Server 2.0.1( 2009/03/31 | Build: 156745 ) is missing. This is very anoying. In Ubuntu, when pressing CTRL-ALT-DELETE the ‘Close Computer’ screen appears. Also pressing CTRL-ALT removes keyboaard/mouse control from the VMWare Server Console window back to Ubuntu/X Server. So is there no way yo login [...]

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vlc, mplayer, kdenlive are not able to open my webcam(/dev/video), while aMSN is able to. I have the following webcam:
ID 046d:08ad Logitech, Inc. QuickCam Communicate STX
It seems that Ubuntu recently switched from V4L to V4L2 causing some trouble with some devices. Fortunately there is a solution:
sudo apt-get install ld.so.preload-manager
sudo ld.so.preload-manager /usr/lib/libv4l/v4l1compat.so
alternatively (note the lib32. You [...]

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