Hi,
Do you have nscd running? Try restarting that.
Sent from my iPhone
> On 24. May 2024, at 08:51, Simon Matter <simon.matter@xxxxxxxxx> wrote:
>
>
>>
>> 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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