Installing Ubuntu 8.04 server on VirtualBox

If you are getting the following error on installing Ubuntu 8.04 server on VirtualBox:

The kernel requires the following features not present on the CPU 0:6
Unable to boot - please use a kernel appropriate for your CPU

Then, you need to enable the PAE support for the virtual machine.

Follow the screens:

1. Open the settings for the machine (Ctrl + S).

2. Check the Enable PAE/NX bit.

Finding CentOS version

To find which CentOS version is running, type the following on console:

cat /etc/issue

Nautilus Scripts

Nautilus is the default file manager for ubuntu yet it lacks some basic features like getting a terminal at the current directory, getting root at the current directory, etc…

Nautilus Scripts to the rescue, just install the scripts and you get a bunch of utilities on your right click on your favourite file manager.

Get it here

Installing  Nautilus Scripts

1. Download the package.

2. Extract the files to /home/<user>/.gnome2/nautilus-scripts

(Do note that .gnome2 is a hidden folder, to view it you have to press Ctrl+H)

3. Close all running instances of Nautilus and open it again.

4. Right click anywhere in Nautilus and you will see a new option ‘Script’.