#GRUB2

RHEL Advanced #1: Boot Process — GRUB2, dracut, Recovery Mode

Step-by-step organization of the entire flow from a RHEL machine being powered on to the login prompt appearing. UEFI/BIOS, GRUB2 configuration with grub2-mkconfig, initramfs and dracut regeneration, systemd targets and default.target, rescue/emergency mode, and the procedure to recover the root password by editing GRUB — all covered in one cycle.