I'm on 14.04 and the software updater shows no update available.
Can I manually download the images and install them but without losing all my data?
Ubuntu – Can I upgrade to 16.04 without using the software updater and keeping all the data intact
14.0416.04ltsupdate-manager
Best Answer
You can try
sudo update-manager -d
That should get you to where you want You may have to runsudo do-release-upgrade
tooAs the other post mentioned ... you may have to go into the sources and change it. If you change it to
any new version
then run the above commands it should show the update. If you chooselong term support
it may not show. His way may also may also work since he is using theCheck if a new Ubuntu release is available
.. my method usesCheck if upgrading to the latest devel release is possible
For some reason sometimes the "new Ubuntu release" doesn't seem to show for me .. so if his method doesn't work you can try mine .. one of them should definitely get the update to show