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In Ubuntu 22.04 I am running

sudo do-release-upgrade

and get

Error during update 

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

W:Updating from such a repository can't be done securely, and is 
therefore disabled by default., W:See apt-secure(8) manpage for 
repository creation and user configuration details., E:The repository 
'https://ppa.launchpadcontent.net/alexeftimie/ppa/ubuntu jammy 
Release' does not have a Release file.

I basically can't update Ubuntu anymore. Is the release file causing the problem? My network is fine, definitely connected to the internet.

apg
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  • Remove the mentioned ppa and all software installed from it from your system. – mook765 Jun 09 '23 at 13:17
  • Is their a guide on how to do this? – apg Jun 09 '23 at 13:34
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    `sudo apt install ppa-purge` and `sudo ppa-purge ppa:alexeftimie/ppa` should be sufficient. – mook765 Jun 09 '23 at 13:50
  • Thanks! I get: ~$ sudo ppa-purge ppa:alexeftimie/ppa Updating packages lists E: The repository 'https://ppa.launchpadcontent.net/alexeftimie/ppa/ubuntu jammy Release' does not have a Release file. Warning: apt-get update failed for some reason – apg Jun 10 '23 at 00:05
  • In fact, good news, used this (first answer here: https://askubuntu.com/questions/307/how-can-ppas-be-removed) and its now updating: sudo add-apt-repository --remove ppa:alexeftimie/ppa – apg Jun 10 '23 at 01:08

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