Uptime Baby!

[mc@sd.amug.org]

I should not be receiving mail from you, please take my email,
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At 01:58 AM 10/18/00 -0700, you wrote:
>Am 18. Oct, 2000 schwäzte Jason so:
>
>> sinck@ugive.com wrote:
>> > 
>> > \_ If I had a business machine, I would try and have a cron job reboot
>> > \_ the sucker on sunday night, at a random time between 3 and 3:30 AM
>> > \_ when the load averages have been under .0? (whatever, depends on the
>> > \_ CPU, etc etc) for at least 15 minutes. Why random?
>> > Well, how about just "Why?"
>> 
>> If the machine is running unattended, it cleans out any processes that
>> for one reason or another fail to terminate.
>> 
>> Netscape is perhaps the most heinous example of this (though that
>> wouldnt be running unattended...) .. a crashed netscape can persist
>> even after you exit from X!
>
>There are better ways to hunt down spinning processes. A simple method is
>to note that it's eating time. Prob is that Netscape also does this when
>being used :(.
>
>Doesn't it lose assocication with a tty when this happens?
>
>sh-2.01$ uptime
>  1:50am  up 259 days,  2:23, 34 users,  load average: 0.00, 0.01, 0.00
>sh-2.01$ ps aux | tr : ' ' | sort +10 -n | tail -5
>root       435  0.0  0.3  3004   816  p2 S    02 03  22 01 xterm 
>lufthans   347  0.0  1.1  7572  2928  ?  S    01 59  23 44 kwm 
>root      2683  0.0  0.2  2884   612  ?  S    01 50  90 31 xterm 
>root     30178  1.2  0.1  1668   452  p3 S   Oct  7 182 47 ssh spliff 
>root       176 99.9  9.6 36824 24988  ?  S    01 55 967 01 /usr/bin/X11/X
>
>X has been up since I booted, so almost 300 days. It still hasn't broken
>1000 minutes.
>
>If it's a desktop you can probably trigger on anything hitting more than
>100 minutes. If it's a server, maybe try 100, but be prepared to move to
>500 or 1000 for the services the machine is providing.
>
>If you've got spinning processes, check them by hand. You can probably
>just kill Netscapes. If it's a service like nfs or apache you probably
>want to investigate why it's spinning, not just ignore the prob.
>
>ciao,
>
>der.hans
>-- 
>#  der.hans@LuftHans.com   home.pages.de/~lufthans/   www.Opnix.com
>#  You can't handle the source! - der.hans
>
>
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