Re: how to redirect serial console to telnet session?

[Denis Vlasenko]

On 10 May 2002 12:32, Chris Friesen wrote:
> Russell King wrote:
> > On Fri, May 10, 2002 at 09:05:41AM -0400, Chris Friesen wrote:
> > > Accordingly, I grabbed what looked like the important bits of xconsole,
> > > but it appears that this only gets me stuff written to /dev/console
> > > from userspace. How do I go about getting the output of kernel-level
> > > printk()s as well?
> >
> > Check the LKML archives for something called 'netconsole' (or use
> > google). It got mentioned here about 6 months to a year ago.
>
> I found some patches by Ingo Molnar, but they look like kernel mods.
>
> What I'm really looking for is a way to redirect this from userspace in a
> stock kernel.  I want the serial console as normal, but then for just
> debugging this one thing I want to telnet in over ethernet and basically
> redirect /dev/ttyS0 onto my telnet session.

I did not do it myself (no need yet), but isn't this scriptable?

If you telnet into box which receives serial console data on /dev/ttyS0,
what 'cat /dev/ttyS0' would show in your telnet window?
--
vda