Question

Debian machine with "jessie-backports" no longer have release file

Today I get this message when trying to run apt update on my Debian:

Hit:1 http://security.debian.org stretch/updates InRelease
Ign:2 http://mirrors.digitalocean.com/debian stretch InRelease
Hit:3 http://mirrors.digitalocean.com/debian stretch-updates InRelease
Hit:4 http://mirrors.digitalocean.com/debian stretch Release                                            
Ign:5 http://ftp.debian.org/debian jessie-backports InRelease                                           
Err:6 http://ftp.debian.org/debian jessie-backports Release                         
  404  Not Found [IP: 130.89.148.12 80]
Get:7 http://deb.goaccess.io stretch InRelease [2,520 B]                     
Get:8 https://packages.sury.org/php stretch InRelease [6,760 B]              
Hit:9 https://download.docker.com/linux/debian stretch InRelease
Get:10 https://deb.nodesource.com/node_6.x stretch InRelease [4,635 B]
Hit:11 https://repos.sonar.digitalocean.com/apt main InRelease
Err:8 https://packages.sury.org/php stretch InRelease      
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743
Reading package lists... Done 
E: The repository 'http://ftp.debian.org/debian jessie-backports Release' does no longer 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.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packages.sury.org/php stretch InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743

Any help will be much appreciated :)


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Hello, I got a similar problem, but not for the backports, but for this four:

W: Failed to fetch http://mirrors.digitalocean.com/debian/dists/jessie-updates/main/source/Sources  404  Not Found [IP: 104.24.116.209 80]

W: Failed to fetch http://mirrors.digitalocean.com/debian/dists/jessie-updates/main/binary-amd64/Packages  404  Not Found [IP: 104.24.116.209 80]

Err http://mirrors.digitalocean.com jessie-updates/main Sources
  404  Not Found [IP: 104.24.116.209 80]

Err http://mirrors.digitalocean.com jessie-updates/main amd64 Packages
  404  Not Found [IP: 104.24.116.209 80]

Is there some help on that one?

@jarland I see. Thank you for your answer.

What would be the best thing to do from now for existing Droplets? Shall we totally delete them and move data to a new one? Any upgrade path your team is aware of?