Arch Linux

Setup

pacman -S cloud-init cloud-guest-utils qemu-guest-agent btrfs-progs openssh networkmanager
systemctl enable cloud-init-main cloud-final qemu-guest-agent sshd NetworkManager

FQDN over Hostname

Beschrieben in der offizielle Dokumentation

vim /etc/cloud/cloud.cfg

...
preserve_hostname_over_fqdn: true
...