[Rack] ops machine
j at hug.gs
Thu Oct 28 21:32:38 UTC 2010
On Thu, Oct 28, 2010 at 11:28 AM, Jonathan Lassoff <jof at thejof.com> wrote:
> On Thu, Oct 28, 2010 at 10:54 AM, Dr. Jesus <j at hug.gs> wrote:
>> Sorry for the delay in getting back to you; yes, conserver would be great.
>> One thing I wanted to do was have active polling of the router
>> consoles so we could be alerted when someone unplugged them. Is there
>> a way to do that with conserver?
> I haven't played with all the features. Nothing is jumping out at me,
> though I suppose we can shove a CR down the pipe periodically and see
> that we get back a login prompt. It'll fill the logs though.
> I suppose if someone goes and unplugs it again and leaves it at a root
> shell, it'll be clear when that's not in the logs.
> I wonder if there's some non-printable characters I could use to
> "ping" a getty...
You can ping the tty code by asking it for a report of some kind:
ESC[5n looks like a good choice.
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