CRON configuration on various linux boxes

Raspberry Pi

uname -a

Linux MQTT-RASP 3.12.34+ #1 PREEMPT Sun Dec 7 22:39:06 CET 2014 armv6l GNU/Linux

Using cron.d

Copy file control file to /etc/cron.d

Filename A-Z/a-z/0-9/_

Permissions 744

Control file CRON line "*/5 * * * *  python /home/dietmar/bin/40000-10.phy" without user name before the command

Cron messages can be found in "/var/log/syslog"

BeagleBone

uname -a 

Linux kiwisdr 4.4.9-ti-r25 #1 SMP Thu May 5 23:08:13 UTC 2016 armv7l GNU/Linux