Booting — GRUB 2, systemd targets and troubleshooting

50 min Rocky Linux 9 Versions 6, 7, 8, 9, 10

Objective

Know what happens between pressing the power button and the login prompt, and take back control when a server no longer boots: lost root password, broken /etc/fstab, a service that hangs. These are must-know topics for the RHCSA exam… and for on-call nights.

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