Debian/Ubuntu packages caching and mobile workstations

Not so long ago I read Dmitrijs' blog post on how to configure apt-cacher-ng to advertise it's service using avahi. As I normally use my laptop in my home and at work, and both networks have apt-cacher-ng running, I decided to give it a try.

I have been administering apt-cacher-ng for three networks so far, and I really find it a useful tool. Then, thanks to the aforementioned blog post, I discovered squid-deb-proxy. I don't use squid, so it's not for my normal use case, but some people will surely find it interesting.

But I found it's client package to be really interesting. It will discover any service providing _apt_proxy._tcp through avahi and let apt use it. But then the package wasn't available in Debian. So, I contacted Michael Vogt to see if he was interested in putting at least the client in Debian's archive. He took the opportunity to upload the full squid-deb-proxy, so thanks a lot Michael :-)

I then filled a wishlist bug against apt-cacher-ng to provide the avahi configuration for publishing the service, which Eduard included in the last version of it. So thanks a lot Eduard too!

tl;dr

You know only need apt-cacher-ng >= 0.7.13-1 and avahi-daemon installed on your server and your mobile users just need squid-deb-proxy-client. Then the proxy autoconfiguration for apt will just work.

One again, thanks a lot to the respective maintainers for allowing this into Jessie :-)

Gotchas

Yes, there are still some rough edges. On one of the networks I'm behind a proxy. While configuring my machine to use apt-cacher-ng's service as a proxy trough apt.conf, apt-listbugs would just work. But now, using the service as discovered by squid-deb-proxy-client, apt-listbugs just times out. Maybe I need to fill some other bug yet...

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