On 2017 Jul 05 06:51:52, you wrote to All:

 en> Tcpser was also not started by CRON after a few minutes ...

 en> Then I typed: ./startSerial

 en> Tcpser started. At the moment it is running, but I don't know why it is
not
 en> startet by CRON automatically, because the script seems to work good...?

where, exactly, is your script?
what, exactly, is your cron entry?

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Always Mount a Scratch Monkey
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