Add set -x and dump the output (both stdout, stderr) into a logfile
set -x
stdout
stderr
Usually issues with crontab are related to variables ( PATH) as well, so you might want to consider verifying that.
Add
set -xand dump the output (bothstdout,stderr) into a logfileUsually issues with crontab are related to variables ( PATH) as well, so you might want to consider verifying that.