Hi, when trying to upgrade from ubuntu 18.04 to 20.04, I get the following error could not calculate the upgrade an unresolvable problem occurred while calculating the upgrade.
I did look at the main.log and identified an “error” line ERROR Dist-upgrade failed : ‘E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.’
*BTY I just did the upgrade from 16 to 18 and it went well. The only thing is that the web management is still reporting : (Ubuntu 16.04.3x64)
Any idea?
Best regards
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Hello,
What I could suggest is to try the following first:
- Make sure your package list is up to date:
sudo apt update
- Remove all “no longer required” packages
sudo apt autoremove
If this does not help, I would suggest checking the following log:
/var/log/dist-upgrade/apt.log
In there you should have more information on which packages are stopping the upgrade. You would then need to use the apt remove PACKAGE_NAME_HERE and remove those packages in order to be able to proceed with the upgrade.
As a side note, always make sure to backup your server before proceeding with such major upgrades.
Let me know how it goes. Regards, Bobby
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