Shell script not running via crontab, but runs fine manually

Question

I have a script that checks if pptp vpn is running , and if not it reconnect the pptp vpn , when i run the script manually it execute fine , when i do set a cron job , is no

Answer 1

Was having a similar problem that was resolved when a sh was put before the command in crontab

This did not work :

@reboot ~myhome/mycommand >/tmp/logfile 2>&1

This did :

@reboot sh ~myhome/mycommand >/tmp/logfile 2>&1