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Re: sudo slow on DNS lookup, with invalid resolv.conf entries

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> The last time I recollect this "someone" sticking his head above the
parapet was in the thread beginning at
>  https://lists.debian.org/debian-devel/2013/07/msg00809.html

>From the above URL:

From: Christoph Anton Mitterer <calestyo@scientia.net>
Date: Tue, 30 Jul 2013 22:43:44 +0200

-----
- The system hostname (and domainname if any) should ALWAYS be
resolvable, whether a network is up or not, regardless of which.
(Assuming that lo is always up, if not, many things break anyway.)

- "localhost" when added like this to /etc/hosts is basically like a TLD.
"localhost" is one of the reserved names, unlike ip6-localhost and friends
and unlike .localdomain.
...
...
...
Further, but this isn't the case anymore anyway,... we should not
generate localhost.localdomain.
...
...
...
-----

If system hostname should ALWAYS be resolvable, whether there is network
or no, the change in /etc/hosts
from (default in stretch):
127.0.0.1       localhost
to (my system):
127.0.0.1       localhost localhost.localdomain

is justifiable as it breaks (not literally break, just adds lot of delay)
to sudo in a non-networked environment.

x9p

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Re: sudo slow on DNS lookup, with invalid resolv.conf entries "x9p" <debian-user@x9pneu.com> - 2017-09-18 01:50 +0200
  Re: sudo slow on DNS lookup, with invalid resolv.conf entries deloptes <deloptes@gmail.com> - 2017-09-18 09:10 +0200
    Re: sudo slow on DNS lookup, with invalid resolv.conf entries "x9p" <debian-user@x9pneu.com> - 2017-09-18 11:40 +0200
      Re: sudo slow on DNS lookup, with invalid resolv.conf entries Curt <curty@free.fr> - 2017-09-18 13:40 +0200
        Re: sudo slow on DNS lookup, with invalid resolv.conf entries Greg Wooledge <wooledg@eeg.ccf.org> - 2017-09-18 16:00 +0200
          Re: sudo slow on DNS lookup, with invalid resolv.conf entries Curt <curty@free.fr> - 2017-09-18 16:40 +0200
        Re: sudo slow on DNS lookup, with invalid resolv.conf entries "x9p" <debian-user@x9pneu.com> - 2017-09-18 17:30 +0200
          Re: sudo slow on DNS lookup, with invalid resolv.conf entries Brian <ad44@cityscape.co.uk> - 2017-09-18 18:10 +0200
            Re: sudo slow on DNS lookup, with invalid resolv.conf entries "x9p" <debian-user@x9pneu.com> - 2017-09-18 20:50 +0200
              Re: sudo slow on DNS lookup, with invalid resolv.conf entries Brian <ad44@cityscape.co.uk> - 2017-09-18 21:10 +0200
      Re: sudo slow on DNS lookup, with invalid resolv.conf entries Brian <ad44@cityscape.co.uk> - 2017-09-18 14:40 +0200

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