 | | | Logging into bogged down server | Logging into bogged down server 2006-04-03 - By Rick Stevens
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On Fri, 2006-03-31 at 20:07 -0800, Harold Hallikainen wrote:
> For some reason, this email client deletes all the received message when I
reply
> and then select text instead of html... When I get back home and restart the
FC4
> machine, I'll get back on SquirrelMail. Anyways... I'm STILL trying to ssh
into
> the bogged down server. No luck yet. I did change the DNS server to send stuff
> away from this server in the hopes it would eventuall finish off all those
> processes and start accepting my ssh login (to the IP address instead of the
> domain). No luck so far. In a couple days I can go hit the reset button.
>
> Besides the modifications to configs suggested so far, I'm also thinking of
> adding a hardware watchdog timer to the machine so it'll reset itself should
it
> ever do this again. I've seen a couple circuits on the web, based on a 555
timer.
> One of them I found looked like it could be locked up if the machine crashed
> during a watchdog reset. Back when I was designing MC6802 based systems, I
did a
> watchdog timer like that and had to drive 100 miles in Kansas to hit the reset
> switch on a system. Watchdog timers I design now reset on an edge instead of a
> level so if the reset line gets stuck at either level, the watchdog will time
out
> and reset the system. So, that's my next project!
Useful. We use remote-controlled power strips. You can log into the
strip (modem or TCP/IP) and power-cycle any of the outlets on it.
HIGHLY recommended for "dark data centers".
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- Rick Stevens, Senior Systems Engineer rstevens@(protected) -
- VitalStream, Inc. http://www.vitalstream.com -
- -
- The moving cursor writes, and having written, blinks on. -
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