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Asked: 2024-09-13 18:50:02 +0800 CST

Upgrade Error from 22.04 to 24.04

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I am trying to upgrade from 22.04 LTS to 24.04 LTS. I am having this problem:

It says:

Error during update

A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry.

But I don't have any problems with my internet. And I tried both Ethernet and Wi-Fi, and neither works.

I click on "Upgrade Now" button, then it successfully downloads stuff for a while, and then it gets stuck and throws this error.

Then I see this for a moment:

error2

And then it all closes.

Other problems also exist. But I found the solution nowhere.

One thing to note here: package upgrades are working from terminal, but GUI upgrading is buggy for some days.

This is what I get after running sudo apt upgrade:

The following packages have been kept back: python3-update-manager update-manager update-manager-core 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.

The above message is to provide context only, and it's not the question. It might still be relevant.

How do I solve this problem and upgrade to 24.04 LTS?

networking

2 Answers

  1. I am having the same issue. I have already tried some ways like changing from Download From to Main Server, Server For India not working.

    I also have tried with the terminal and found one error:

    err https://brave-browser-apt-release.s3.brave.com stable inrelease %0d%0a the following signatures couldn't be verified because the public key is not available: no_pubkey

    it seems issue related to brave browser for my case public key is expired or somehting, follow this link https://brave.com/linux/#release-channel-installation this form brave browser official document and try again.

    This works for me, and now I am using 24.04

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  2. Best Answer

    I have solved the problem, and I am now currently using 24.04 LTS.

    I don't know exactly what worked.

    Here are the things that I did:

    1. There was a GPG key issue with GitHub CLI following a recent update, and I solved it following https://github.com/cli/cli/issues/9569.

    2. There was an error message from Brave, saying it doesn't support i386 architecture, so I mentioned amd64 explicitly on brave-browser-release.list following https://askubuntu.com/a/1453449/1030478, and followed installation instruction with the said modification.

    3. Then I followed https://community.frame.work/t/error-while-updating-to-ubuntu-24/57143/6 and tried to upgrade via do-release-upgrade. I saw that my /boot partition was almost full and it needed additional space. I was ready to go with GParted, but, following https://askubuntu.com/a/90219/1030478, I deleted old Linux kernel files, and gained the required space.

    After doing all these, by running do-release-upgrade, I was able to successfully upgrade.

    It took ~40 minutes.

    And on running neofetch, I can see:

    OS: Ubuntu 24.04.1 LTS x86_64

    For me, this issue is solved, and I am using it right now.

    So, I had some problems with updates, and also low space on /boot. After mitigating both, I was able to upgrade to 24.04 LTS using the command line command do-release-upgrade. I was not able to trigger the GUI upgrade window, and did not want to.

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