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how can i make sar command run forever ?

 
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Top Forums UNIX for Dummies Questions & Answers how can i make sar command run forever ?
# 1  
Old 01-30-2008
how can i make sar command run forever ?
Hello all
i found out about the sar command but when looking in the man pages
there is no way to make sar working for ever .. only
with some kind of interval . like sar 2 30 .
my question is can i just run sar for ever ?
# 2  
Old 01-30-2008
create a cron entry
# 3  
Old 01-30-2008
Please explain
Please explain
# 4  
Old 01-30-2008
type crontab -e at the command prompt. vi editor opens. Make the below enrty in the editor

* * * * * sar > sarlog

save and exit editor
# 5  
Old 01-30-2008
well i did that , exit the vi editor
and then whet ?
# 6  
Old 01-30-2008
Code:
for ((;;)) do sar 2 30; sleep 10; done &

- this will start command 'sar 2 30' every 10 seconds, and will put it in the background.
 
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