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How do I stop / suppress cron emails from being sent or logged?

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By Dennis Nind

June 30, 2023

You can easily suppress the output of any cronjob by redirecting output to /dev/null. You can do this by appending >/dev/null 2>&1 to cronjob, for which you want to suppress output.

0 2 * * * /home/backup.sh >/dev/null 2>&1
  • The >/dev/null tells the cron to send all output (STDOUT) to /dev/null
  • The 2>@1 tells the cron to send all errors (STDERR) to same as (STDOUT)
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