After avoiding the upgrade to Turris OS 5.x for quite some time now, I tried to tackle the task today - and failed miserably.
That is: Turris Omnia (1st Edition) with 3.11.21, upgrading to latest stable 5.x
I gave this multiple attempts. Recovering to 3.x successfully after each failure by using the previous snapshot.
Now, to be able to provide an adequate problem description, I would like to know this:
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Is there a way to run the upgrade from an SSH shell? I’ve trouble to follow the upgrade process from the Foris-UI. It obviously stalls or fails at some point, leaving everything in a somewhat undefined state.
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What is the best way to diagnose upgrade problems? Which log file to track? Which files to check?
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What information should be provided here, so that the problem can be reviewed?
(Sorry, if these are FAQs, but I was not able to find anything yet)