Background:
lsb_release -a yields
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 24.04.2 LTS
Release: 24.04
Codename: noble
Step to reproduce.
sudo apt-add-repository -s ppa:kernsuite/kern-9 gives
E: The repository 'https://ppa.launchpadcontent.net/kernsuite/kern-9/ubuntu noble Release'
does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
Is there a safe workaround?