Looking for speaker for gnu autoconf/automake

Rich Braun richb at pioneer.ci.net
Thu Apr 8 13:21:26 EDT 1999


Christoph wrote:
> If not mistaken, I believe uptime gets it's starting time from utmp (utmpx).
> If so, it's probably not very difficult to play games and improve your
> yearly bonus for system availablity ;-)
> 
> I bet there's a perl module to muck with utmp.  Look at the source code for
> uptime and see what it does...

I did a 'strings command and confirmed that it picks this up from
/proc/uptime, a kernel runtime counter; you could write a hack to poke
the appropriate memory location.

Then I looked at the source code--if it can't find /proc/uptime, it'll get
the info from utmp, as described by Christoph.

-rich
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