On 12/13/19 10:50 PM, Tim via users wrote:
On Fri, 2019-12-13 at 18:45 -0500, Sean Darcy wrote:
FC31 on a laptop. I'd like the have localhost as the first
nameserver. Then the the nameservers supplied by dhcp.
That is:
resolv.conf
127.0.0.1
[whatever dhcp provides]
So I can't set DNS=none. There used to be "head" for for
resolv.conf.d, but that doesn't exist for FC31.
That's probably not going to work how you expect it to work.
The system will always try to use your first name server for all
queries, and will only use the subsequent ones if the first one fails
to respond (usually with quite a lengthy time-out period, too, though
you can change that).
For the next query, the cycle will repeat. It'll try the first one
first, wait for it to answer or fail, then try the next one.
And if the first one is working but doesn't have an answer to a query,
it has still responded, and the second one will not be queried.
If you have your own name server, set it up to be fully functional.
Let it resolve all queries by itself. I've done that for years,
completely ignoring my ISP's hopeless (slow, overloaded, mismanaged,
censoring) name servers.
But the problem this is a machine on a flaky third world isp which goes
down from time to time. When that happens unbound will eventually go
down, which they're not inclined to fix. So when the isp comes back up,
unbound is down, and I need a backup nameserver.
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