On 28 Jan 2024, at 10:08, Strahil Nikolov
<hunter86_bg(a)yahoo.com> wrote:
Hi Barrу,
Until yesterday /etc/resolv.conf was managed by systemd-resolved and I tried the approach
to ignore DNS settings from DHCP but no success.
I tried setting ipv4.dns-search to empty via nmcli but /etc/resolv.conf still had the
search stanza.
What happens when you set ipv4.ignore-auto-dns yes?
Does anyone know if dhcp-client is renamed or something ?
From my reading of the docs and looking at the settings on my systems you do not need to
go back to the old
dhcp-client.
Barry
Best Regards,
Strahil Nikolov
On Sun, Jan 28, 2024 at 11:50, Barry Scott
<barry(a)barrys-emacs.org> wrote:
> On 27 Jan 2024, at 14:19, Strahil Nikolov via users
<users(a)lists.fedoraproject.org <mailto: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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