ismurdegus

Hey @tparys thanks you did it! So I run your command: grep -l debian /etc/apt/sources.list /etc/apt/sources.list.d/* Edit the list by add # with nano Save the file Run again apt update & apt upgrade No errors! Thanks a lot for your help!

@guidol Thanks for your replay. I did exactly what you say but still have the same issue. Not sure what to do

Hey guys Hope everyone doing well I have a Orange Pi Zero running 21.02.2 Focal and Pi-hole installed. When I run "sudo apt update" this is the output: root@PiHoleNapoli:~# sudo apt update Get:1 http://deb.debian.org/debian stable InRelease [116 kB] Hit:2 http://mirrors.dotsrc.org/armbian-apt focal InRelease Hit:3 http://ports.ubuntu.com focal InRelease Get:4 http://deb.debian.org/debian stable-updates InRelease [39.4 kB] Get:5 http://ports.ubuntu.com focal-updates InRelease [114 kB] Ign:6 http://deb.debian.org/debian-security stable/updates InRelease Err:7 http://deb.debian.org/debian-security stable/updates Release 404 Not Found [IP: 151.101.86.132 80] Get:8 http://ports.ubuntu.com focal-backports InRelease [101 kB] Get:9 http://deb.debian.org/debian stable/main armhf Packages [10.8 MB] Get:10 http://ports.ubuntu.com focal-updates/universe armhf Packages [883 kB] Get:11 http://ports.ubuntu.com focal-updates/main armhf Packages [1,040 kB] Reading package lists... Done E: The repository 'http://deb.debian.org/debian-security stable/updates Release' no longer has 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. N: Repository 'http://deb.debian.org/debian stable InRelease' changed its 'Version' value from '11.0' to '11.1' Anyone can help to resolve this error ? Thanks