Eric at Lucii.org on 13 Oct 2010 14:48:04 -0700


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Re: [PLUG] networking question


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Randall,  Wow, thanks - that's exactly what I needed.

I added a file, /etc/sysconfig/network/routes with a single line:
default 10.10.10.1 - -

After some fiddling with config (turning off NetworkManager) and exercising some
network commands:
   /sbin/rcnetwork
   ifdown eth0
   ifup eth0

...the default route is there!

I can ping external addresses like 4.2.2.2 but I can't get DNS resolution:
   ping www.google.com
   ping: unknown host www.google.com

I'm guessing that when I turned off NetworkManager it lost the DNS address,
10.10.10.1, that I had set in there.

What else am I missing to get DNS?

Thanks again,
Eric

On 10/13/2010 05:04 PM, Randall A Sindlinger wrote:
> Yea!  A question I feel authoritative on! (as opposed to all those
> darned Ubuntu questions :-)
> 
>  # cat /etc/sysconfig/network/routes 
>  default 10.10.10.1 - -
> 
> If you don't have that file, you don't have a default route.
> Yeah, I agree - OpenSuSE should have put that in when you installed it.
> <shrug/>
> 
> HTH,
> -Randall
> --
>   Randall Sindlinger
>   Systems Programmer, CETS
>   School of Engineering and Applied Science
>   University of Pennsylvania
>   
> 
> 
> On Wed, Oct 13, 2010 at 01:26:02PM -0400, Eric at Lucii.org wrote:
> Background:
> 
> Installing OpenSuSE 11.3 guest in Virtualbox 3.2.8 on an Ubuntu 10.4 host.
> 
> + Selected Gnome desktop
> + Network configured in the setup process as:
>      static IP  10.10.10.179
>      netmask    255.255.255.0
>      gateway    10.10.10.1
> + Install appeared to complete without a hitch.
> 
> Now, I can see any address in the 10.10.10.0 space but cannot see anything on
> the Internet.  For example:
> 
>    # ping www.google.com
>    connect: Network is unreachable
> 
> So, I look in more detail:
> 
> # route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 10.10.10.0      *               255.255.255.0   U     0      0        0 eth0
> link-local      *               255.255.0.0     U     0      0        0 eth0
> loopback        *               255.0.0.0       U     0      0        0 lo
> 
> Where is the default route?
> 
> I can fix it by entering:  route add default gw 10.10.10.1
> 
> Apparently, the OpenSuSE installer just set up the static IP
> and routing and somehow I missed how to tell it about a default route (right).
> 
> I set NETWORKMANAGER="yes" in the config file, restarting the network, and
> configuring AUTO eth0 in the GUI.  There is still no default route.
> The Network Manager route option does not seem to stick.
> 
> Any idea how to permanently fix this?
> 
> Thanks,
> 
> Eric
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>>
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- -- 
#  Eric Lucas
#
#                "Oh, I have slipped the surly bond of earth
#                 And danced the skies on laughter-silvered wings...
#                                        -- John Gillespie Magee Jr
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___________________________________________________________________________
Philadelphia Linux Users Group         --        http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug