[colug-432] Ubuntu as a router?
roggenkamps at acm.org
Wed Sep 30 22:33:04 EDT 2009
It's not a stupid question. I've had the same problem running Debian
Lenny on a netbook. I'm not sure I've completely fixed, but here goes.
I think the problem is that Linux is trying to chase Microsoft Windows -
just plug the network cable in and you're good to go. So you have some
software developer's idea of how you're network should be configured,
assuming you plug into a home router/switch that includes a DHCP
server. Unfortunately, there seem to be a few gotcha's if you're trying
to configure a good statically addressed networking system.
First disable avahi. It just messes things up, big time in my experience.
Next, do a 'man resolvconf' and RTFM. It used to be that you could edit
one file, /etc/resolv.conf, to set up you DNS resolver framework. Now
it's a whole friggen framework with multiple directories under the
/etc/resolvconf directory. The various files is this directory tree
overwrite the changes you make to /etc/resolv.conf, as if the daemon
knows better than you what you need!
Finally, blow away Ubuntu and install (Free|Net|Open)BSD that hasn't
been chasing the Microsoft BS. Unfortunately, it's a bit of a change
from Linux in terms of system administration, but at least it doesn't
try to think too much for you in this area. Yet.
richard hornsby wrote:
> Sorry for asking such a stupid question, but I've been having a hard
> time with Ubuntu lately. I've had it running as an ssh/apache/file
> server for a long time, no problem. I also in the past used Coyote
> Linux and Redhat (later Fedora) as a base OS for running a home
> router. So I've done this before.
> For some reason trying to run Ubuntu as a router is acting all sorts
> of weird - interfaces that are configured static are trying to get
> DHCP addresses, /etc/resolv.conf getting bad information, etc. Is
> there a good/recommended guide for setting up Ubuntu as a router? I
> basically followed this https://help.ubuntu.com/community/Router and
> it was so messed up I switched back to using my DSL modem. I'd like
> to follow the instructions from a decent guide before asking a bunch
> of questions or asking for help troubleshooting.
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