[Dnsmasq-discuss] Upgrade to [x]ubuntu 23.10 means dnsmasg can't read /run/NetworkManager

[Geert Stappers]

On Thu, Dec 14, 2023 at 10:46:36PM +0000, Chris Green wrote:
> Up until now I have the following in my /etc/dnsmasq.conf:-
> 
>     resolv-file=/run/NetworkManager/no-stub-resolv.conf
> 
> This means that dnsmasq uses the upstream DNS that Network Manager
> configures.  When I'm on the local LAN this resolves to 'my' DNS
> server at 192.168.1.2, when I'm connected somewhere else Network
> Manager sorts things out accordingly and dnsmasq gets the right
> upstream DNS server.
> 
> However the latest Ubuntu update has tightened the permissions on
> /etc/NetworkManager and dnsmasq can't read the file
> /run/NetworkManager/no-stub-resolv.conf.
> 
> I know this is a slightly non-standard configuration but it has worked
> very nicely for me for some years.  Can anyone suggest a way to fix
> this?

One can answer that question.  And with a very strong collaboration can
the yes-no-question also be answered.


> Obviously /run/NetworkManager/no-stub-resolv.conf is created
> at every boot so the permissions will revert to 'too strict' every
> time I start the system.

Also obvisously: Explain the desired configuration with what is actual
desired. Visit https://xyproblem.info for _why_ explaining more.



Groeten
Geert Stappers
-- 
Silence is hard to parse