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Question Upgrade stuck from 18.04 to 20.04

derpOmattic

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I'm asking a couple questions in regard to Python and Perl. You may need to install the newer versions before the upgrade. Thanks for being patient, it's a difficult and unusual problem.
 

ViBE

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Thanks. Never ever had an issue like this before. Meanwhile I did some searches. Isn't it an apt problem? Maybe apt is broken too?
 

ViBE

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Any chances or news? I don't wanna hurry. I'm just stuck with my things since the system broke down.
 

derpOmattic

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This is how I would proceed at this point. Your situation seems very stubborn, so I'm not sure how we're going to go, but these are the things I would try.

To begin, I would try to correct the Python error by installing the newest version of Python in the Pop repo, which is python3.8. Once that is done, I'd try to revisit the package manager fix and clean the sources. If that is successful, you can attempt the upgrade once more. The python3.8 package should install with apt (sudo apt install python3.8), but if that doesn't work, because the package manager is playing up, try to install it via this method -(just change the version).

If that didn't work, I'd then attempt to do a reinstall with a fresh 20.04 USB image. There should be a refresh option when an existing install is found, so use that to keep your account. To be safe, I'd also recommend backing up all your things to somewhere other than the drive your on.

Worse case scenario. If all the above fail, you can do a fresh installation, but you will have your personal back up to copy your things back.
 

ViBE

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Error messages again. I meant that apt, the application itself is broken. I saw somewhere some similar issues on askubuntu with workarounds, but cannot remember how I found those... or may those also useless.

 

derpOmattic

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Honestly, at this point I would try a refresh install with a new 20.04 USB. Sometimes the end-of-life version upgrades just don't play nice. Be sure to back up your personal stuff.
 

ViBE

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No way to simply just repair the system with the installer? Like Ubuntu does. Cause fresh install is not an option for me...
 

derpOmattic

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No way to simply just repair the system with the installer
That is what I meant by "refresh install". A refresh install will keep your personal files and configs, but will delete your non-default apps. You will have to install them again, but your configs will be there already.

The next step would be a complete fresh install.
 

derpOmattic

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After you've backed things up, make a new live USB of 20.04. Boot into that and there should be a 'refresh' option when an existing install is found.
 

ViBE

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I don't see option for Refresh with 20.04 installer...:(



The partitions are live, not damaged. Should I try 18.04 installer first?
 

derpOmattic

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Ok, well unless you're willing to fresh install it's back to attempting to fix your sources. It looks like you will have to do it manually and delete everything that isn't in this list.
 

ViBE

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Is it okay if I overwrite the content of the sources.list? What is the next step then?
 

derpOmattic

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Is it okay if I overwrite the content of the sources.list?
Yes, that is the "manual" part of the fix, as opposed to the commands we ran before. Once your sources look like the link above, check the status of the upgrade. What does systemctl status pop-upgrade say?
 

ViBE

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Tried the recent guides after that but looks like the system is permanently damaged. After the guides i took a try with 18.04. Looks like the same distro can do repair. I did it with that installer but the result was a system with missing and broken applications. I dunno what the installer did, but not all the system apps restored for some reason. Every start the system notice me that some apps are missing. Looks like everything messed up so at this point I decided to give up and take another shot with the latest distro. Hope I never ever experience similar again. Thanks for your inexhaustible support.
 

derpOmattic

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So 18.04 refreshed 18.04, but 20.04 wouldn't see it. :unsure:

There have been times that I've observed Pop devs just recommend a clean install when a system is really not cooperating with the upgrade. Unfortunately, I think you've had one of those instances and I also hope you don't experience that again. It gives me an idea for a guide.
 

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