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      How to check if a certificate has been issued for a specific host.

      You can check specific hosts to determine if a certificate has been issued to them.

      The following command will return an exit status of '0' (true) if the host has a certificate, or '1' (false) if it doesn't.

      # Where $HOSTNAME is either a variable to the host name or IP, 
      # or is a status hostname or IP 

      step ssh check-host $HOSTNAME ; echo $?

      For more information on `step ssh` commands, see our command reference here.