In Gnome it is possible to have a gnome-panel for each monitor. This is very useful. One can create a new gnome-panel by pressing right-click on a existing gnome-panel ( make sure that when the entire gnome-panel space is filled with applets and programs you temporarily remove some applets or close some programs ). Click [...]
Continue reading about Auto enable a gnome-panel for each connected monitor »
On the to-be-woken-up computer make sure to enable ACPI/APM (S3/STR) and Wake-On-Lan(WOL) in the BIOS and add in /etc/network/interfaces:
post-up /usr/sbin/ethtool -s eth0 wol g
post-down /usr/sbin/ethtool -s eth0 wol g
Write down the MAC-ADDRESS. Powerdown the computer. Only when the computer is powered down to S3 or STR(Suspend to ram), the computer can be woken up. A [...]
Thursday, October 8th, 2009
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 [...]
Continue reading about High CPU-usage with VirtualBox on dual-core CPU while Guest(s) are idle »
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 [...]
Thursday, October 8th, 2009
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 [...]
Saturday, October 3rd, 2009
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 [...]
Saturday, October 3rd, 2009
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 [...]
Saturday, October 3rd, 2009
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 [...]
Continue reading about Old webcam Logitech, Inc. QuickCam Communicate STX not working in Ubuntu 9.04 »
Sunday, December 14th, 2008
For some time now I experience problems with my Atherios Wireless NIC in combination with NetworkManager. For quite some time now, it’s possible for me to connect to a normal Wireless Access Point. Now I have an iPhone and want to use PDANet to connect a Laptop to the Internet using the iPhone 3G fast [...]
