I just wanted to add a comment, for any others who come to this via
Google.
I also hit this exact same error, but it turned out not to be caused
directly by the network proxy. I had just run apt-add-repository, and
that had failed to import the GPG key:
root@buildhost:/home/mblokzij/ws-qvpc# add-
can this message not stoped apt-get update ? I have many reps in
sources.list, not only http://archive.getdeb.net
Get:2 http://archive.getdeb.net oneiric-getdeb InRelease [4555 B]
Ign http://ppa.launchpad.net saucy InRelease
Splitting up
/var/lib/apt/lists/partial/archive.getdeb.net_ubuntu_dists_
** Changed in: apt (Ubuntu)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1206824
Title:
bogus network proxies might cause: Clearsigned file isn't valid, got
'NODAT
So, what do you suggest? The hint "does the network require
authentication?" is already a wild guess as this can happen for
temporary down servers (e.g. "Down for maintenance"), 'longtime down'
servers (e.g. domain grabber got the domain), the network you are on
requires you to authenticate (first
This hotel network is particularly special; even after you authenticate
to the web portal, it's blocking archive.canonical.com as "restricted"
content. This contributes to the confusion, because most of the lists
get downloaded without fine, then there's this cryptic message.
FWIW the actual cont
