crontab switch off

Hello everyone, i am currently facing a problem where I have some entries in my crontab (crontab -e) and in /etc/crontab. These lines or commands work on their own when I execute them via the web shell, but cron just does not execute them. there is no mail in /var/mail and no other indication...

Hello. I have PMX VE, two virtual machines on it (FREENAS and PFSENSE). Also i have crontab on PMX to switch off server at noon (/sbin/shutdown -h now) When cron is working pfsense machine is going switch off but freenas reboot instead switch off. If i change in freenas vm processor settings...