Debian Jessie failed to fetch repository

Hello everybody, had to reinstall my pine64 completely since it wasnt reachable over ethernet anymore, dont know why but after a restart on debian stretch it seemed that ethernet wasnt initialized anymore (lights were not even starting anymore) so i formated the sd card and went to the download directoy and i was surprised to only see debian jessie images left, is there a reason for that? anyway, so i downloaded the current stable realease but now i m having t

It is. Once a Debian LTS release is EOL security maintainance moves away from security to LTS team and as such security.debian.org becomes obsolete with arm64 architecture: https://wiki.debian.org/LTS Removing the line from sources.list will stop the warning to appear. This affects all Jessie arm64 installations since a few weeks so most probably we can call this a FAQ soon... To be clear: Debian LTS support is only available for i386/amd64/armel/armhf architectures so ar