How to recover crontab jobs from filesystem

Solution 1:

The cronjobs are most likely stored under /var/spool/cron

Solution 2:

You can find cron jobs in /etc/crontab file and following directories:
- /etc/cron.d/
- /var/spool/cron/
If your /etc/crontab file contains following lines, you can find shell scripts in mentioned directories too:

01 * * * * root run-parts /etc/cron.hourly  
02 4 * * * root run-parts /etc/cron.daily  
22 4 * * 0 root run-parts /etc/cron.weekly  
42 4 1 * * root run-parts /etc/cron.monthly  

For example, /etc/cron.hourly/