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= Before starting. =
Before upgrading it is recommended that you read the [[https://wiki.ubuntu.com/CosmicCuttlefish/ReleaseNotes/Kubuntu | release notes for Kubuntu 18.10]], which document caveats and workarounds for known issues in this version. In particular, be aware that you will be upgrading to a non LTS release of Kubuntu, which is supported for 9 months.
= Upgrade Kubuntu from 18.04 to 18.10. =
If you are using a Laptop ensure the following things are done.
You will need to:
* Ensure your laptop is connected to power.
* If at all practical, ensure that you are connected to the Internet via a wired connection.
* Ensure your current installation is updated.
* Allow upgrades to non LTS releases.
* Run the release upgrade tool.
* Reboot.
For Desktops:
You will need to:
* Ensure your current installation is updated.
* Allow upgrades to non LTS releases.
* Run the release upgrade tool.
* Reboot.
== Ensure your laptop is connected to power. ==
The upgrade should run uninterrupted.
== If at all practical, ensure that you are connected to the Internet via a wired connection. ==
The upgrade may change your wireless networking applications and drivers.
== Ensure your current installation is updated. ==
=== Install Updates. ===
Run Plasma Discover and install all available updates; or
in Konsole run {{{
sudo apt-get update && sudo apt-get dist-upgrade
}}}
----
== Allow upgrades to non LTS releases. ==
In Plasma Discover, Under 'Settings', click the top right ≡ menu and select 'Software Sources' menu item; or
in Konsole run {{{
sudo software-properties-kde
}}}
Under the Updates tab, set 'Normal Releases' in the Release Upgrade section.
== Upgrade. ==
Ensure that the package ubuntu-release-upgrader-qt is installed.
Run in Krunner or Konsole.
{{{
pkexec do-release-upgrade -m desktop -f DistUpgradeViewKDE &
}}}
Alternatively if you wish to do the entire upgrade in a terminal, in Konsole do;
{{{
sudo do-release-upgrade -m desktop
}}}
== The Release Upgrade tool will be downloaded and started. ==
Follow instructions to complete the upgrade.
== Restart ==
Restart your computer when prompted.
= Welcome to Kubuntu 18.10. =
Your computer should boot into Kubuntu 18.10, with the new Plasma 5.13 desktop.
{{attachment:KubuntuCosmic.png}}