It does. The default PostgreSQL installation binds to port 5432 (I can't recall if that's loopback only, or global), but it can easily be disabled and use AF_UNIX sockets only.
Re:Appropriate Uses for SQLite
by watermoose on Monday September 26, 2016 @07:00AM
(#12580779)
I wasn't aware of that. Thanks!
Surely it supports AF_UNIX sockets?