I am very new in Ubuntu world. Even though I have started it few years before but didn't continue my journey with Ubuntu. However I have installed Ubuntu 22.04 LTS and when I do sudo apt-get update I see these some issues probably. As I am not an expert I really can't understand meanings of these statements. Can anyone please let me know exactly what are the problems and how to get rid of these?
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1Does this answer your question? What can I do if a repository/PPA does not have a Release file? – user535733 Jun 17 '23 at 16:32
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1Apparently, you've added some non-defgault repositories that produce errors. Just remove them. – mikewhatever Jun 17 '23 at 16:33
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"As I am not an expert I really can't understand meanings of these statements" Do your part: Google the error messages, learn the meaning, and become an expert. The developers WANT you to understand the problem. – user535733 Jun 18 '23 at 02:10