[systemd-devel] Systemd-networkd: Prepend static nameserver to DHCP-discovered nameservers

[Mantas Mikulėnas]

Actually, one thing I just remembered.

resolved never actually writes to /etc/resolv.conf, if I remember
correctly. It only writes to a .conf in /run, and /etc/resolv.conf is just
a symlink to the latter.

So you could just have a static /etc/resolv.conf with 127.0.0.1 in it, and
tell your cache to look in /run/systemd/resolv.conf for the upstream
servers' addresses. I'm sure at least dnsmasq has that ability.

-- 
Mantas Mikulėnas <grawity at gmail.com>
// sent from phone
On Jun 17, 2014 2:14 PM, "Runiq" <runiq at archlinux.us> wrote:

> Hello all,
>
> I'm using systemd 213 on Arch Linux, and systemd-networkd/resolved with
> DHCP to connect to the internet. I'm also running a caching DNS server on
> 127.0.0.1.
>
> I'd like to make this caching server the first DNS server in the list, but
> I'd also like to use the nameservers discovered by systemd-resolved. Using
> a static resolv.conf isn't really possible, because I connect to networks
> with different DNS settings.
>
> I know I can set *fallback* DNS servers in /etc/systemd/resolved.conf, but
> is there a way with systemd-networkd to prepend my local DNS server to
> those discovered by DHCP?
>
> I've asked this question on superuser.com [1] but didn't get a
> satisfactory reply.
>
> Thanks,
> Patrice
>
> [1] http://superuser.com/q/767827/260249
>
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