Ubuntu 10.10 Network problems

MirJafar Ali mirjafarali at gmail.com
Wed Nov 10 21:22:15 UTC 2010


On Sun, Nov 7, 2010 at 2:49 PM, Sandip Bhattacharya <
sandipb at foss-community.com> wrote:

> On Thu, Nov 04, 2010 at 12:08:45AM -0500, MirJafar Ali wrote:
> > Our machine uses ethernet only. It was working perfectly alright before I
> > installed sshd and tightvnc
> > today.
> >
> > By the way, is there anyway to bring the machine to some old state, say
> few
> > hours early state, so
> > that I can know what changes caused the problems.
>
> As Ric said, it is unlikely that IPV6 is causing these issues. Given
> that ipv6 will start getting enforced in the next couple of months
> because of ipv4 addresses running out very shortly, it is actually
> advisable to keep it enabled so that you don't miss out on the action to
> come. :)
>
> It seems more likely that you are having DNS related issues in your
> setup.
>
> sshd requires reverse dns of incoming addresses, so try out
> disabling this at first, by adding the line "UseDNS no" in
> /etc/ssh/sshd_config and restarting sshd.
>
> Examine /etc/resolv.conf. Do they have the correct DNS servers for your
> network? Can you successfully ping the DNS servers?
>
> - Sandip
>
> --
> http://blog.sandipb.net
>
>
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Hi Sandip

Thanks for good feedback. I sorted out the problems.

Mir
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