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Update old release of Ubuntu after end of life to newer one

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Patryk Adamczyk
Part of seriesToday I Learned

Problem

I recently wanted to update my Raspberry Pi 4B where i had Ubuntu 21.04 (which reached end of life) to Ubuntu 22.04. But I couldn't use apt update because it couldn't find repositories.

Solution

  1. Make copy of /etc/apt/sources.list (for backup)

  2. Change every http://ports.ubuntu.com/ubuntu-ports/, http://archive.ubuntu.com/ubuntu/ or similar repositories to http://old-releases.ubuntu.com/ubuntu/

  3. Save and apt update

Sources

I learned this from https://askubuntu.com/a/1131285

#ubuntu#raspberry-pi
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Development Journey of Patryk Adamczyk

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Hi! My name is Patryk. I trying to find good solutions for every problem on my way. I'm creator of PAiP Web. Open Team for every one wanting to make good solutions to make programming easier.