Dell_idrac.yaml are ansible playbook to configure parameters on Dell IDrac and execute firmware update from DellWeb Racadm_cfg.sh are bash script to configure idrac parameter with RACADM Command Line
Requirement for using ansible playbook see https://github.com/dell/dellemc-openmanage-ansible-modules Requirement for racmad https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=0992n