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
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