I used the command line method and entered the following commands. Please note, there have been a lot of folks that are having problems after the upgrade to Edgy. I experienced an xserver issue. I will include what I did to fix the problem, as my newly upgraded Ubuntu machine only loaded to the command line until I resolved the xserver issue.
Remove any line referencing CD-ROM in your /etc/apt/sources.list
Then change every occurrence of dapper to edgy, use the following command.
sudo sed -e 's/\sdapper/ edgy/g' -i /etc/apt/sources.list
Now you need to update the source list using the following command
sudo apt-get update
Upgrade using the following command
sudo apt-get dist-upgrade
Double check your process was finished properly using the following commands
sudo apt-get -f install
sudo dpkg -–configure -a
Finally reboot your machine. As I said above, my machine booted to the login prompt with an error on the xserver. I tried rebooting again and also starting the xserver, sudo startx, but none of this worked. I then issued the command to reinstall the desktop.
sudo apt-get install xubuntu-desktop
I rebooted and the login window appeared, I had to choose Gnome and check the box to use Gnome as my default desktop. But my issues with xserver were solved.
scotbuff@dungeonrat:~/websites/buffhits$ sudo lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 6.10
Release: 6.10
Codename: edgy