I'm not sure. I've never used apt-cacher-ng, and it's not in Debian. It'd be more accurate to say I'd like the ability to create a local mirror of all remote

I'm not sure. I've never used apt-cacher-ng, and it's not in Debian. It'd be more accurate to say I'd like the ability to create a local mirror of all remote repos, not just caching repos I've downloaded. Something that would usable offline.