Networking disabled

Maxime Alarie malarie at
Tue Oct 19 19:54:20 UTC 2010

-----Original Message-----
From: ubuntu-users-bounces at
[mailto:ubuntu-users-bounces at] On Behalf Of afip
Sent: 19 October 2010 10:29
To: ubuntu-users at
Subject: Networking disabled

Hi all,

I'm new to GNU/linux and my box at work has Ubuntu Lucid 10.04 LTS with 
Gnome desktop. Everything was working just fine up to yesterday, when I
to lend my pc to a co-worker (with an unprivileged user ofcourse), and
I showed up this morning I noticed the pc hadn't been shutdown properly
was still on, but locked-up), so I had to do a hard reset.

Then, when the gui came up I noticed there was not network connection
the Local Loopback interface was up). NetworkManager at the top panel
that networking is disabled (I'm writing this mail from a win pc, 

What do I need to do to re-enable networking? What other information do
need to post here? I don't know where to start from. Any help would be 
greatly appreciated. TIA,

PS: I have no internet access since I'm behind a proxy at work, so I
have intranet access, hence I couldn't do any googling.

Fire up a terminal, and go: sudo ifup eth0

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