It is october again, so that means Canonical has released a new version of Ubuntu. This time the gave it the name Ubuntu 14.10 Utopic Unicorn. This release does not have so many changes. But if you’d like to upgrade to Ubuntu 14.10 there is a simple tutorial. Keep in mind that upgrading takes a couple of minutes and that you make sure you have a backup!
- Ubuntu 14.04 LTS server
Make sure you have update-manager-core by trying to install it. If your server already has update-manager-core installed there will be no problem.
sudo apt-get install update-manager-core
2. Edit release-upgrades file
Use nano or vi(m) to edit the file /etc/update-manager/release-upgrades
sudo nano /etc/update-manager/release-upgrades
The file will open and in the bottom you’ll find
Prompt=lts, change it to
You can save in nano by pressing ctrl+o and hitting enter. You can close nano by pressing ctrl+x.
This way the update manager will look for every new version that came out, not only the LTS-versions.
3. Upgrade the system to Ubuntu 14.10
Execute the following command, it will upgrade your server to Ubuntu 14.10
sudo do-release-upgrade -d
Follow the instructions on the screen.