Tag Archives: Ubuntu

How to restart the VirtualBox kernel module in Ubuntu

Posted on March 14, 2010 by Ahmed Tawfik

If you’re encountering problems in Virtualbox on Ubuntu and you feel you need to restart your machine, don’t! You’re on Linux, not windows! You can just close Virtualbox and then restart the Virtualbox kernel module by running the following: “/etc/init.d/vboxdrv … Continue reading →

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How to install Guest Additions for Ubuntu Guest in Virtualbox

Posted on March 11, 2010 by Ahmed Tawfik

Guest Additions are very useful in VirtualBox (or any other virtualization software in general), it installs virtual adapters for your hardware and enables the following: Better graphics support (very useful when resizing the desktop or changing the guest’s resolution) Folder … Continue reading →

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Install Google Gears on Firefox on Ubuntu Karmic

Posted on March 9, 2010 by Ahmed Tawfik

So simple: Don’t install from the website, it will – till the time of this article – give you an error message that your browser isn’t supported Install the “gears” package, e.g. open a terminal and type “sudo apt-get install … Continue reading →

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How to change the default CPU governer (CPU Frequency) in Ubuntu Karmic (might work for other versions as well)

Posted on March 5, 2010 by Ahmed Tawfik

The problem is that no matter what, when I change the CPU governer using the “CPU Frequency Scaling” gnome applet in my Ubuntu Karmic, it always defaults to “ondemand”, I searched in some forums and finally developed a nice and … Continue reading →

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How to change the gnome default keyring password in Ubuntu Karmic (may apply to other versions as well)

Posted on March 5, 2010 by Ahmed Tawfik

After I initially set it, I needed to change it so that it matches my login password: Open a terminal type “seahorse” Right-click on “Passwords: login” and click “change password” Type your old password and then your new one. Done! … Continue reading →

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