Comments on: How to Resolve “Temporary failure in name resolution” Issue

By: Sub

Sub — Tue, 19 Dec 2023 17:39:38 +0000

In reply to Dennis Gentry.

Perfect, that was the solution.

By: John Perone

John Perone — Tue, 28 Feb 2023 13:22:56 +0000

Please note that by default DNS uses the UDP protocol, so you need to open port 53/udp first of all.

By: Dennis Gentry

Dennis Gentry — Tue, 16 Nov 2021 21:54:31 +0000

The advice about editing /etc/resolv.conf is fairly wrong for Ubuntu since maybe 16.04 or earlier. systemd-resolved takes over and will overwrite your changes. You can either edit /etc/systemd/resolved.conf to include a [Resolve] section that contains, for example, DNS=8.8.8.8 and FallbackDNS=4.4.4.4 entries; or as I do, completely remove systemd-resolved, because I don't find it to do anything more useful than the C library name resolution system, and it is definitely more complicated and failure-prone.

By: Piyush Mittal

Piyush Mittal — Mon, 20 Sep 2021 08:24:21 +0000

I still haven’t got the solution, as it is saying ufw not found.

Like ufw firewall isn’t on my computer.

What to do now someone please help.

By: Programador

Programador — Thu, 09 Sep 2021 23:58:07 +0000

The best answer is provided here: https://unix.stackexchange.com/questions/588658/override-ubuntu-20-04-dns-using-systemd-resolved