How To Backup "crontab -e" Files?

Solution 1:

You could just backup the entire /var/spool/cron directory. It contains all crontabs of all users.

Solution 2:

You can periodically run crontab -l > my_crontab.backup to backup the crontab into file.

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Solution 3:

just backup the file /var/spool/cron/USER_NAME

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Solution 4:

I made my backup into a cron job.

0 9 * * * crontab -l | gzip > /backups/'crontab-'$(date +"\%Y\%m\%d-\%H\%M\%S")'.gz'