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The command at always outputs “Warning: commands will be executed using /bin/sh” in Rocky Linux 8

Danila Vershinin

Operating System and Software

  • Rocky Linux 8
  • at

Problem

  • The command at outputs as follow: 
    　# /usr/bin/at now <<< job.sh 20210521132925161641804289383 8469308861616420210521132925
　Warning: commands will be executed using /bin/sh
　job 13 at Mon May 24 10:36:00 2021

How to Fix

  • The warning should be safely ignored.

Origin of the Problem

  • In Rocky Linux 8, the command at has been changed to always output the warning.
  • Unfortunately, there is no way to suppress it in the configuration.
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