How to Change Hostname in Rocky Linux 8 (Step-by-Step)
Change hostname in Rocky Linux 8 with hostnamectl, NetworkManager, local DNS mapping, and cloud-init checks, then verify it without a reboot.
How to Add Swap Space on Rocky Linux 8 (Step-by-Step)
Add swap space on Rocky Linux 8 with a secure 2 GiB file, persistent boot setup, careful tuning, verification checks, and fixes for common errors.