[ale] Running a hands off remote Linux installation

Bob Toxen transam at VerySecureLinux.com
Wed Aug 29 19:05:11 EDT 2012


For the stray kernel panic, the following in /etc/rc.d/rc.local may
help:

  # Enable reboot on kernel panic
  echo "Enabling reboot on kernel panic"
  sysctl -w kernel.panic=60
  sysctl -w kernel.panic_on_oops=60

Bob

> I've always used a drac/ilo for this- They're a great solution if your
> systems support it since they will allow you to recover from the stray
> kernel panic or non-responsive ssh or to remotely patch your bios.

> --Dennis
> 
> 
> 
> On Tue, Jul 31, 2012 at 9:45 AM, Matthew <simontek at gmail.com> wrote:
> > a PDU with power rebooter is what you need.
> >
> > On Tue, Jul 31, 2012 at 9:22 AM, Erik Mathis <erik at mathists.com> wrote:
> >>
> >> You need something like this.
> >> http://www.rackmountsolutions.net/Infra-Power-Switched-Rack-PDU.php
> >>
> >> Stay away from the Triplite ones. APC has really good ones, but costs
> >> boat loads of money.
> >>
> >> I've never used the one pasted above, but I was already on that
> >> website loking for something else. What ever you get, you will want a
> >> SWITCHED strip verse a metered or monitored. The former only allows
> >> you to login and see how the power is being used. Switched allows you
> >> to turn on/off each port.
> >>
> >> Of course, your network gear needs to come online be for you do this.
> >>
> >> hth!
> >>
> >> -Erik-
> >>
> >>
> >> On Tue, Jul 31, 2012 at 9:07 AM, Jim Lynch
> >> <ale_nospam at fayettedigital.com> wrote:
> >> > I want to set up a hands off system at a remote location.  I'll put a
> >> > large UPS to keep it running through short power outages but I'm
> >> > concerned about longer outages.  While I obviously want it to be
> >> > available most of the time, if the power goes out for hours, it won't be
> >> > available and I can live with that.  I can sense the failure and do an
> >> > orderly shutdown before the UPS batteries go completely flat.
> >> >
> >> > However I'm stumped on how to get the system to turn itself back on
> >> > after the power comes back.  I know I can set the bios to boot on power
> >> > up automatically but that would require the computer to power off
> >> > externally I would guess and that's not an orderly shutdown besides with
> >> > the UPS in line, I don't really have a way to sense when the mains
> >> > actually come back.
> >> >
> >> > I've thought about putting a small controller, like a Arduino, somewhere
> >> > with a relay to momentarily key the switch leads in the computer when I
> >> > sense all is back to normal, but I'm thinking there might be a better
> >> > way.
> >> >
> >> > Any ideas?
> >> >
> >> > Thanks,
> >> > Jim.
> >> > _______________________________________________
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> >
> >
> >
> >
> > --
> > SimonTek
> > 912-398-6704
> >
> >
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