hostname

Change hostname in AlmaLinux 9 with hostnamectl, local name resolution, NetworkManager checks, and fixes for reboot or DNS issues on a VPS…

Change hostname in AlmaLinux 8 with hostnamectl, fix local name resolution, keep cloud-init from overwriting it, and verify the result safely…

change hostname on almalinux 10 with hostnamectl, update local name resolution, prevent cloud-init resets, and verify the new name without rebooting.