Kubuntu 14.10 to 15.04 Upgrade

You will need to:

• Ensure your laptop is connected to power.
• Ensure 14.10 is updated.
• Run the release upgrade tool (kubuntu-devel-release-upgrade).
• Reboot.

Ensure your laptop is connected to power

Ensure 14.10 is updated

Run Muon Update Manager

Select Install Updates

Install additional software

Supply your sudo password

Wait for updates to install

Re-boot if suggested

Run the release upgrade tool (kubuntu-devel-release-upgrade)

Invoke the tool

Use <alt> <F2> to bring up krunner, and type kubuntu-devel-release-upgrade

Supply your sudo password

The Release Upgrade tool will be downloaded and started

If you get this error, remove extras

Extras may not have been removed if you have this error:

Open the terminal by using <alt> <F2> to bring up krunner, and type konsole

Edit your sources by typing kdesudo kate /etc/apt/sources.list

Supply your sudo password

Find the extras (at the bottom)

Comment out the extras lines

File > Quit and Save your modifications

Close the Konsole by typing exit

Try to re-run the release upgrade tool

Allow the upgrade to start

Select Start Upgrade.

Time for a coffee; it will download and install 15.04.

Remove obsolete packages

Click Remove.

Restart your computer

It will ask you to restart your computer. Ensure you have no unsaved work open and click Restart Now.

Welcome to Kubuntu 15.04

13) Your computer should boot into Kubuntu 15.04, with the new Plasma 5 desktop