I figured out what the problem was!

We are customer's of Comcast, a large American ISP, in State College,
Pennsylvania, USA.

They have DNS search redirection or whatever. EVERY hostname name is
resolved by them. If it isn't one on the public internet, they redirect
you to their web server with a search result for whatever the hostname
is.

Eg. if I were to enter "adgagsfaa" or "minitrue" as the address bar in
firefox, comcast's search results for those terms would come up because
it resolved those random/local addresses to their web server. Similarly
if I enter those terms as an address in nautilus, comcast DNS resolves
them to their web server as well. In other words, Comcast's DNS results
are superseding all of the SMB/WINS/NMB/whatever results for the local
network.

I just tried "ping telescreen" from minitrue, and it resolved it to
208.68.139.38 .

I believe this may be a problem with OpenDNS as well.

I fixed the problem by using Google's DNS servers (8.8.8.8 & 8.8.4.4).
Immediately everything started working.

Windows does not have this problem because they have
SMB/WINS/NMB/whatever to resolve hostnames before they try DNS results.

One possible workaround, other than using a real DNS service, is to
implement windows' behavior with /etc/nsswitch.conf.

Whether or not Ubuntu's software should be patched to avoid this
problem, I don't know. I doubt using either of these workarounds could
be made user friendly.

-- 
unable to mount or browse samba networks
https://bugs.launchpad.net/bugs/356022
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