Shell-script - List cron of all users on a server, Print all existing cron jobs

List cron of all users on a server

How to find all cron jobs running on the server?
In a daily check we normally check what are existing cron jobs set and running on a server. It is always better to have a look and monitor existing cron jobs on the server.

How to list all cron jobs of all users?

#!/bin/bash
#List all cron jobs for all users
for user in `cat /etc/passwd | cut -d":" -f1`;
do 
 crontab -l -u $user;
done

Normally cron jobs are monitored on all servers for security check or health check.

To list all cron jobs of an current user

 # crontab -l

To edit or add a cron jobs of current user

 # crontab -e

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