You could just backup the entire /var/spool/cron directory. It contains all crontabs of all users. You can periodically run crontab -l > my_crontab. backup to backup the crontab into file.
How do I copy a crontab from one server to another?
- Copy the relevant crontab entries to the crontab on the new server. …
- in case of files in /etc/cron.d or /etc/cron.daily etc., copy the scripts from there to the new server.
- Make sure any scripts, files or other resources you refer to in your current cron jobs are available on the new server.
What are the two files of crontab command?
Each user on your system can have a personal crontab. Crontab files are located in /var/spool/ (or a subdirectory such as /var/spool/cron/crontabs), but they are not intended to be edited directly. Instead, they are edited by running crontab.
