I just can’t remember this lol
https://crontab.guru/
https://crontab-generator.org/
addind cron jobs :
1- crontab -e
2- use the link above to create the schedule “following the path and the script to execute “don’t forget to make the script executable”
3- if adding any bash script don’t forget to add the path example :
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/the_new_path_to_your_scripts
4- service cron restart
5- ENJOY