[GRLUG] "network is unreachable"

[Steve Romanow]

On Wed, 2010-02-10 at 23:10 -0500, Bob Kline wrote:
> 
> 
> On Wed, Feb 10, 2010 at 10:21 PM, <mikemol at gmail.com> wrote:
>         
>         On Wed, Feb 10, 2010 at 10:19 PM, Bob Kline
>         <bob.kline at gmail.com> wrote:
>                 
>                 
>                 On Wed, Feb 10, 2010 at 10:16 PM, Steve Romanow
>                 <slestak989 at gmail.com>
>                 wrote:
>                         
>                         On Wed, 2010-02-10 at 22:03 -0500, Bob Kline
>                         wrote:
>                         > I somehow managed to hose the
>                         > Ethernet connect on a laptop running
>                         > Ubuntu 9.10.  The bottom line is that
>                         > when I try to ping an outside URL I get
>                         > "network is unreachable."  I've done
>                         > some searching on the Internet for
>                         > this, but so far nothing clicks.
>                         >
>                         
>                         >
>                         Im not sure abt dhcpd fixing this, but iirc
>                         synaptic has a "download
>                         list" feature that you can feed into wget on
>                         another machine (or boot to
>                         a livecd withthis one).
>                         
>                         Are you using Networkmanager?  Shouldnt have a
>                         lot of ifups and down
>                         necessary.
>                         
>                 No.  I installed wicd, and that's when it all
>                 started....
>         
>         
>         Two solutions: Read the man pages and docs for wicd and
>         manually configure it to handle your network connectivity, or
>         uninstall it and reinstall NetworkManager.
>         
>         -- 
>         :wq
>         
>         
> Can't do either.  wicd is not on the
> system, and I have no way to reinstall
> NetworkManager.
> 
> 
>     -- Bob
>  
>         
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John's suggestion should work, you likely have the deb sitting in apt
cache.

if not here is a good looking link'

http://ubuntuforums.org/archive/index.php/t-186175.html