Dan Hatton vi5u0-alug@yahoo.co.uk wrote:
[...] Until a couple of minutes later, when something automatically edits resolv.conf, changing the nameserver address back to the one that's appropriate for the old network environment. Any ideas what's going on, please?
If it was debian, I'd be looking for a copy of the resolvconf package misbehaving. Maybe Fedora has a similar artificially-intelligent unhelpful helper. apropos resolv might find it.
Good luck!