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Tags: 16.04   kernel   cron  
Link: πŸ” See Original Answer on Ask Ubuntu πŸ”—

URL: https://askubuntu.com/q/1048709
Title: Is there a known cron job or process in 16.04 that occurs every 30 or 60 minutes?
ID: /2018/06/22/Is-there-a-known-cron-job-or-process-in-16.04-that-occurs-every-30-or-60-minutes_
Created: June 22, 2018    Edited:  June 22, 2018
Upload: November 24, 2022    Layout:  post
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cron is only one of the running daemons that consume CPU cycles and system resources:

$ ps -eo 'tty,pid,comm' | grep ^? | grep cron
?          841 cron
?          896 cron

For a complete list of all 264 on my system I use:

ps -eo 'tty,pid,comm' | grep ^?

So which deamon runs every 30 minutes? The first google hit is the chef deamon (not a cooking thing): https://stackoverflow.com/questions/14905278/chef-daemon-running-every-30-minutes

If it’s not documented you would have to check every single daemon’s source code to see how often it run.

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