Another reason I kept changing sources.list in the client was in the aftermath of my recent attempts against apt-cacher.
In apt-cacher you change every line to point to apt-cacher:3142. At least that's what I have in the legacy config I've inherited. I'm assuming it worked at some point in the past. On 21/09/2022 17:49, David Wright wrote:
"One word of advice: serving to clients running a more recent distribution from a server running an older one can cause problems, because of minor improvements that are sometimes made in the way the archives and the cache are handled and stored."