Mailinglist Archive: opensuse (2835 mails)

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Re: [opensuse] How to attach to existing tty
  • From: Jim Cunning <jcunning@xxxxxxxxxxxxxxx>
  • Date: Wed, 6 Dec 2006 08:53:34 -0800
  • Message-id: <200612060853.34545.jcunning@xxxxxxxxxxxxxxx>
On Tuesday 05 December 2006 09:55, M Harris wrote:
> On Tuesday 05 December 2006 11:31, Simon Roberts wrote:
> > This, I guess, is probably a generic Unix question,
>
> No, most Suse users will never do this...
>
> > I want to attach to the output stream of an existing terminal.
>
> You will need to redirect your console to /dev/tty10... then have another
> terminal or shell monitor the output (could be as simple as minicom... with
> history, hung off the machine over a null modem) I've done this plenty of
> times... in fact... all of my headless boxes have the console directed to
> the serial port.
>
> > The problem is that I'm getting a recursive kernel panic. . . which I
> > guess
>
> is reasonable in the event of a panic, as not much of the kernel's behavior
> will be trustworthy . . .
> uh, no. A "kernel panic" is a "casters-up" dead-as-a-doorknob
> condition... the kernel is not running... it has stopped.

You also mentioned 'kdb' on Solaris. I've not yet used it, but there is a
similar program for Linux -- kgdb. It requires two machines and a serial port
or ethernet connection between them. Perhaps more than you wanted to get
into.
See: http://kgdb.linsyssoft.com

Jim Cunning
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