> On 27 Jan 2024, at 14:19, Strahil Nikolov via users 
> <users@lists.fedoraproject.org> wrote:
> 
> Hi all,
> 
> I am looking for some help to adjust systemd-resolved to still use DHCP (ip, 
> gateway and dns servers) but to avoid using the dns search provided over DHCP.
> 
> The reason behind is that OKD4's coredns (Fedora CoreOS) appends the search 
> stanza (first entry) that is taken from the host and then sends it to the 
> upstream server.
> Ex:
> /etc/resolv.conf contains:
> search my.domain my.other.domain
> 
> CoreDNS query becomes 'quay.io.my.domain' instead of 'quay.io'.
> 
> 
> P.S.: I have an ugly workaround where I unlink and create /etc/resolve.conf 
> but that can't be the only solution.

If you are using NetworkManager then I think you want to set the connection
to "Automatic (addresses only)" then set DNS options manually.
I think that is the nmcli property ipv4.ignore-auto-dns.

If you are using systemd-resolved then you can settings in your
/etc/systemd/network/XXX.newtwork file to ignore settings from DHCP as well
according to the man systemd.network page, See DNS= and Domains=.

Barry



> 
> Best Regards,
> Strahil Nikolov
> 
> 
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