Caching DNF updates

For the past couple of years, I've been running Fedora. I'm not a distro-crusader, so take this for what it's worth.

I recently moved out of San Francisco and into the forest. (more on that later!) One of the side effects of such a move is that internet service is back onto copper lines and analog repeaters. But given that rent is half the cost of San Francisco and I get to live right near all those fantastic organic farms, surrounded by redwoods, I'll take it.

I have lots of little machines always fighting for DNF header updates, delta rpms, and worse, firefox/libreoffice/kernel updates. So I decided to kick it old school and setup a squid caching proxy.

Basically, somewhere on your home network do the following:

# 10 GB of cache. Make sure you have that much space or change it.
cache_dir ufs /var/spool/squid 10000 16 256

# Allow a single object to be cached up to 500MB.
# I actually run this larger so I cache ISOs occasionally.
maximum_object_size 500 MB

The first update for me is still going to be rather slow, but then all the followup updates are nice and snappy.

Personally, this just furthers my desire for a distro that does peer-to-peer updates on local network segments. But that is a story for another day.

-- Christian Hergert 2015-07-29

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