At Wed, 29 Jun 2011 16:08:02 -0400 (EDT) CentOS mailing list <centos@xxxxxxxxxx> wrote:
>
> >
> > Am 29.06.2011 um 21:50 schrieb Emmanuel Noobadmin:
> >
> >>
> >> Since I'm not the only person who face problems trying to remotely
> >> access a locked up server, surely somebody must had come up with a
> >> solution that didn't involve somebody/something hitting the power
> >> button?
> >
> >
> >
> > Yes, it's called "out of band management".
> > Have dial-in access to IPMI/iLO interfaces or just an APC remote
> > controlled power-switch to power-off the server.
>
> Perhaps this suggestion is applicable:
> setup a cron job where the sshd server is restarted (once or several times
> per day, or per week, etc).
>
> At one time, I had a server on an ISP that, with time, became woefully
> underpowered (the anti-spam/anti-virus program ate CPU power and RAM) to
> the point that occasionally, and with more frequency (once a week?) sshd
> would become unresponsive. This required that someone be at console to
> restart sshd; or if the problem was not understandable, reboot the box.
>
> Having sshd restarted in cron worked until we got a new, soopa-doopa box.
If the problem is excessive load because Sendmail / Mimedefang / spamd /
etc. is too busy handling tons of mail/spam being dumped on your server, you
might want to look at these sendmail options:
ConnectionRateThrottle (34.8.12)
MaxDaemonChildren (34.8.35)
also
QueueLA (34.8.50)
RefuseLA (34.8.54)
setting these can keep Sendmail (and Mimedefang, spamd, etc.) from
overwhelming the system.
>
> >
> > Rainer
>
> Max
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--
Robert Heller -- 978-544-6933 / heller@xxxxxxxxxxxx
Deepwoods Software -- http://www.deepsoft.com/
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