desktop system

Q. I was reading this article and wanted to try out KVM, XEN, VMWare and VirtualBox simultaneously on my desktop system with 2GB RAM? Why I’m not able to use run multiple virtualization technologies simultaneously under Ubuntu Linux? Can a Linux server run multiple virtualization technologies simultaneously?


I’m not able to boot into GUI under Dell desktop system, which uses an ATI HD3750 display card. The display only works with CLI and but when I type startx and get some sort of error or a black screen. How do I fix this issue?


Q. I’m trying to login to my remote Ubuntu Linux server from Mac OS X desktop using following command:
ssh -X xeyes

But I’m getting an error that read as follows:

X11 connection rejected because of wrong authentication.

How do I fix this error?


Q. How do I change default desktop / display manager under CentOS or Fedora Linux? I’d like to change default GNOME to KDE as desktop manager for all users. A. There is a configuration file called /etc/sysconfig/desktop. This file defines default display manager and desktop name. Display manager can be any one of the following: […]

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Q. I’m using Ubuntu Linux and I’d like to create or modify keyboard shortcuts in Gnome desktop system? How do I do it? A. You need to use GConf-Editor or gnome keyboard shortcut tool. GConf-Editor is a tool used for editing the GConf configuration database. It might be useful when the proper configuration utility for […]