ethernet connections in Karmic - how do I tame network manager?

Lisi lisi.reisz at gmail.com
Wed Dec 2 05:51:05 GMT 2009


On Wednesday 02 December 2009 05:38:02 Reinhold Rumberger wrote:
> On Wednesday 02 December 2009, Lisi wrote:
> > On Tuesday 01 December 2009 22:32:36 Charles T. Bell wrote:
> > > Lisi wrote:
> > > > Can I just uninstall Network Manager (Network Mangler???) and
> > > > create an /etc/network/interfaces file?
> >
> > Do I take it that the answer to this is no?
>
> No. ;-)
> Or rather, you can't "just uninstall" NM, but you can use
> /etc/network/interfaces to override it. NM won't pick up devices
> listed there.
> I'm not sure if this still works, but it used to be possible to
> create /etc/default/NetworkManager and
> /etc/default/NetworkManagerDispatcher containing simply "exit 0".
> This would disable NM completely.

Thanks - I'll try this first.

> > > > It isn't that it isn't connecting at all, it not connecting
> > > > properly.
> > > >
> > > > Ping works - by IP and by URL.  (Once I have persuaded network
> > > > manager to start the connection. :-(  )
> > > >
> > > > IP address in browser works (after a fashion) for some sites
> > > > but not for others.
> > > >
> > > > URL in browser is completely non-functional.
> > > >
> > > > LinuxMint on this exact set-up was a disaster - but at least
> > > > it connected properly by DHCP.
> > > >
> > > > All help most gratefully received!!  (Honestly, Myriam - I
> > > > really am grateful - just very pushed for time on this
> > > > particular job.) Lisi
> > >
> > > Okay,...
> > > Did you try running "dhclient" in a terminal?
> >
> > No - I had thought that since I could ping by URL DNS must be
> >  fine.
>
> You are quite right about this. DNS resolution happens before
> pinging.
>
> BTW, I don't know what could be going wrong with your setup. It
> sounds like you can't connect using port 80 for some reason. Is your
> firewall configured properly (if you have one)?

I don't think that it is this, since the computer can connect correctly 
through other routers and the router can connect other computers.

> Are you using a 
> proxy?

No.

> You could try using telnet to connect to an internet server on
> several ports. You should also try the same in your intranet, if that
> is possible.

Thanks - I'll try that when I get round there - I am going in about half an 
hour.  

Thanks,
Lisi




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