I have the feeling that many mirrors are not fully up to date yet.
After changing the sources to http://archive.ubuntu.com and
http://security.ubuntu.com the upgrade worked for me on all machines.
When my upgrade was finished I changed my sources.list back to
ftp.hosteurope.de again. New updates
@ gcb:
Your log states: Failed to fetch
http://.archive.ubuntu.com/ubuntu/dists/feisty-backports/Release.gpg Could not
resolve '.archive.ubuntu.com'
This means your /etc/apt/sources.list doesn't contain a valid source for
the packets because "http://.archive.ubuntu.com"; isn't a valid URL. Try
"
I'm running 2 computers (Feisty Fawn 7.04) since a few months. On one
computer (I call it 'server') I run apt-proxy configured to get updates
from http://ftp.hosteurope.de/mirror/archive.ubuntu.com (but it doesn't
matter which source I use as I tested several different sources). The
second comput
