fault detection

[david at thekramers.net (David Kramer)]

On Mon, 19 Aug 2002 FRamsay at castelhq.com wrote:

> Does anyone know of any tools to help figure out why a box rebooted?  One
> of our client boxes rebooted
> over the weekend for no apparent reason.  The client claimed there was no
> power outage, and a quick look
> over the logs verifies the UPS didn't shut the computer down.  Also I
> didn't see a shutdown or reboot request
> in /var/log/messages.  So what tools do people use to figure out why a
> Linux system crashed?
> 
> the system is running Redhat 7.2  kernel 2.4.9-13
> 

Aside from the other suggestions,

find / -name core -mtime -5

also look at the most recent files in /tmp and /var for signs of files 
that were created during a process that never got cleaned up.

I assume you checked for silly stuff for free hard dive space and inodes, 
right?  Sometimes you can have enough disk space but not enough inodes.

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