Date: Sat, 8 Aug 2020 11:13:34 +0100 From: Steve O'Hara-Smith <steve@sohara.org> To: Aryeh Friedman <aryeh.friedman@gmail.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: Best way to make a machine boot with or without a Internet connection Message-ID: <20200808111334.4dc78fbd3369a0bcf9eada04@sohara.org> In-Reply-To: <CAGBxaXnaokaYSPQFK%2BWg6Ym3BxD=nin%2BMha21G8FbfcsCTuVYw@mail.gmail.com> References: <CAGBxaXnaokaYSPQFK%2BWg6Ym3BxD=nin%2BMha21G8FbfcsCTuVYw@mail.gmail.com>
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On Thu, 6 Aug 2020 17:20:16 -0400 Aryeh Friedman <aryeh.friedman@gmail.com> wrote: > Due to storm related damage my ISP went out for a few (12) hours earlier > in the week and while I got it usable without a Internet connection by > putting everything in my LAN in /etc/hosts (I also run a local_unbound > --> local bind9 on my file server which I have created a zone file for > the LAN machines also), but it was very slow in booting due to ntpdate, > tomcat and sendmail not being to connect to the Internet for either > forward or reverse DNS. I don't want to turn these services off, but I > want to be able to do a normal boot (no long hangs) if the ISP goes down > again. What is the best way to do this? Your problem is DNS so I'd suggest solving it at that level. Point everything at a local DNS service and provide that with the handful of addresses that you need to boot smoothly (or put them in /etc/hosts where they're needed) so that it doesn't have to forward queries for them. This does leave you open to problems if they change of course. -- Steve O'Hara-Smith <steve@sohara.org>
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