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  1. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    Thanks for the warning! I shall try undoing what I did until post #5! BTW: /etc/resolv.conf was already overwritten but still contains 1.1.1.1. and 1.0.0.1 and everything continues to work fine!...
  2. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    We must have posted at about the same time! TheFu had a very simple solution. I out commented all nameservers in /etc/systemd/resolved.conf and just put:
    nameserver 1.1.1.1
    nameserver 1.0.0.1...
  3. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    I found the problem with sudo and solved it via correcting an inconsistency of hosts and hostname.

    However, the problem with Temporary failure in name resolution persists. When pinging e.g....
  4. [SOLVED] Re: sudo: unable to resolve host ZB: Temporary failure in name resolution

    Thank you! Sorry for the confusion: Sure, I used "sudo" and not "root"! It is not an issue of root or sudo access, it is rather a problem with the domain name resolution. For some reason the DNS does...
  5. [SOLVED] sudo: unable to resolve host ZB: Temporary failure in name resolution

    Hi,
    my ubuntu-22.04 box (named "ZB") got stuck probably because of various parallel VPN connections. As I could not run it down correctly I power cycled it. Now everything is fine again but...
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