crontab log code example
Example 1: linux check cronjob log
grep CRON /var/log/syslog
Example 2: where is the crontab log
grep CRON /var/log/syslog
Example 3: cron logs
On a default installation the cron jobs get logged to
/var/log/syslog
You can see just cron jobs in that logfile by running
grep CRON /var/log/syslog