How to Setup Cron Job in Magento 2?

Some of the Tasks Which are Handled by Cron in Magento 2

Catalog price rules
Newsletters
Generating Google Sitemaps
Customer Alerts/Notifications
Re-indexing
Automatic updating of currency rates

Now We will Going to Setup Cron on the Server

Run the following command from the terminal

crontab -e

If you are logged in as root user you can specify the cron job for the Magento file system owner only by specifying the username by using the -u switch.

crontab -u -e

When you hit the above command, editor option will appear select anyone in which you are comfortable with. In the editor enter the following cronjob.

* * * * * /bin/magento cron:run

In our case we have used the following command.

* * * * * php /home/ayaz/www/html/mage2/bin/magento cron:run

We are done on the setup for server. Please note that the cronjob I setup is running every minute. You can schedule it as per your need. You can check the cron has setup correctly by viewing the cron_schedule table in your magento database. You will see entries like this:

##################################################

Read Also: How To Migrate From Magento 2.2 To Magento 2.3

3 Types of Cron are Introduced in Magento 2 as Given Below

First of we will login in server (ubuntu) and open crontab by below command and add the cron as our requirement
command = crontab -e

*/1 * * * * php -c /path/to/magento2/bin/magento cron:run
*/1 * * * * php -c /path/to/magento2/bin/magento/update/cron.php
*/1 * * * * php -c /path/to/magento2/bin/magento setup:cron:run

*/1 * * * * php -c /path/to/magento2/bin/magento cron:run
*/1 * * * * php -c /path/to/magento2/bin/magento/update/cron.php
*/1 * * * * php -c /path/to/magento2/bin/magento setup:cron:run

But we do not need to configure all of them,

1st cron command will work for re-indexes indexers, sends automated e-mails, generates the sitemap, and so on.
Rest 2 cron commands are used by the Component Manager and System Upgrade.

To configure cron, edit crontab command line Code:

crontab -u magento_user -e
crontab -u magento_user -e

Add this line at the end of file

* * * * * php -c /path/to/magento2/bin/magento cron:run
* * * * * php -c /path/to/magento2/bin/magento cron:run

This will run every minute. If you do not want to run every minute you can set every 5 min as given below:

*/5 * * * * php -c /path/to/magento2/bin/magento cron:run
*/5 * * * * php -c /path/to/magento2/bin/magento cron:run