Having Ubuntu installed, update fails. The server is unreachable.
sudo apt update
Hit:1 http://ports.ubuntu.com jammy InRelease
Hit:2 http://ports.ubuntu.com jammy-security InRelease
Hit:3 http://ports.ubuntu.com jammy-updates InRelease
Ign:4 http://dl.khadas.com/repos/vim1s-5.15 jammy InRelease
Hit:5 http://ports.ubuntu.com jammy-backports InRelease
Err:6 http://dl.khadas.com/repos/vim1s-5.15 jammy Release
404 Not Found [IP: 135.181.182.36 80]
Reading package lists... Done
E: The repository 'http://dl.khadas.com/repos/vim1s-5.15 jammy 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.
