[ubuntu-studio-users] DNS restoration

[Ross Gammon]

Hi Brian,

That doesn't sound like something specific to Ubuntu Studio. You may 
have more success asking this on a wider Ubuntu forum/mailing list where 
there are likely to be a few networking gurus lurking.

Regards,

Ross

PS: I remember there was an issue with a version of the low-latency 
kernel (that comes with Ubuntu Studio) in the past, but this caused a 
hard and fast broken networking situation, and I think it was in US > 
20.x (and fixed).

On 16.02.2023 16.22, Brian Hagen wrote:
> Hello, all,
>
>     I am running Ubuntu Studio 18.04 on a LAN at home. From time to 
> time, the modem and/or router has to be reset (ISP issues and such). 
> Following that, although the Ubuntu machine can still access the 
> Internet itself, the DNS-based access is no longer available. Commands 
> such as 'ping <sitename>' verify that the sites can no longer be 
> reached via DNS. Error messages are typically "Failure in resolution" 
> and such text. The machine here still has the same IP address on the 
> LAN as before the modem/router resets were done. Manual requests to 
> reassign an IP address to the Ubuntu machine do not regain DNS 
> connectivity.
>
>     In spite of this errant status, services such as Spotify and email 
> functions can still operate. Even so, I end up having to shut down 
> every external service, dismount all partitions, and restart. What I 
> would like to know is how to restore the DNS services without having 
> to resort to a full-scale reboot.
>
>     Comment is invited.
>
> Brian
>
>