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Upgrading Ubuntu 9.x to Kubuntu 9.x

ByGarf

Firstly, as ever, please back up anything that is important – as you would with any major upgrade on any computer system!

Then you can either use the Synaptic package manager or in this instance it is probably quicker to install from a Terminal window.

First you need to ensure the system is fully up to date. Simply type one line at a time followed by the return key…

sudo apt-get update
sudo apt-get upgrade

Now your system is ready for Kubuntu. Type…

sudo apt-get install kubuntu-desktop

This will install the Kubuntu desktop. The download will take a while because it has to download about a CD-ROM-full of files. It will ask you which login-manager you want to use: gdm or kdm. (Gnome Desktop manager or KDE Desktop manager). Basically this is changes what the login screen looks like. If you prefer KDE (as I do), then choose kdm, if you like Gnome, then choose gdm. If you change your mind later then you can change this later.

I did notice one small problem. On attempting to log in to Kubuntu for the first time, it would not let me in. With no error messages, it simply returned me to the login dialog. To fix this, select Gnome from the menu. Log in, log out again. SInce doing that, I have been able to log into Kubuntu without problem.

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