Linux Troubleshooting

Release date: June 6th 2022

Welcome to my Linux Troubleshooting section. Here I will be adding solutions to problems I’ve run into.

Updating from such a repository can’t be done securely

While patching one of my Ubuntu 20.04 servers, I got the following error message:

E: The repository ‘ focal Release’ does not have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

To remediate this issue, I have to add this repository using the command below:

sudo apt-add-repository -r ppa:certbot/certbot

Disclaimer: Every tips/tricks/posting I have published here, is tried and tested in different it-solutions. It is not guaranteed to work everywhere, but is meant as a tip for other users out there. Remember, Google is your friend and don’t be afraid to steal with pride! Feel free to comment below as needed.

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