> I have a CentOS stream 8 system (C8) which runs its own internal
> name server (BIND 9). In the past, it used an external name server
> on another machine but that server has been stopped. The resolv.conf
> file on C8 has been modified to remove the reference to the old
> server and NetworkManager has been restarted. However, CUPS and
> other programs on C8 continue to send queries to the old server,
> all of which eventually time out (of course). The bogus queries to
> the old server are answered with ICMP destination/port unreachable,
> confirming that the old name server is not running. But these bogus
> queries take time and the delays are very annoying.
>
> I've also restarted CUPS without effect. There are no references to the
> old server in /etc/named.conf, but there are references to the subnet
> it was on as there are other machines there that need to use the new
> name server. I haven't yet rebooted C8 but I'm prepared if necessary.
>
> Is there something else I should do before rebooting C8? Is that even
> likely to solve the problem?
Doesn't systemd do some kind of its own name resolution thing these days?
Maybe someone else can say more about this.
Regards,
Simon
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