install keyboard us --xlayouts=us --vckeymap=us rootpw --lock user --name=rocky --password=rockylinux --gecos="Rocky default user" --groups=wheel timezone --isUtc --nontp UTC selinux --enforcing firewall --enabled --port=22:tcp network --bootproto=dhcp --device=link --activate --onboot=on services --enabled=sshd,NetworkManager,chronyd shutdown bootloader --location=mbr --extlinux lang en_US.UTF-8 %post # Enabling chronyd on boot systemctl enable chronyd # Remove ifcfg-link on pre generated images rm -f /etc/sysconfig/network-scripts/ifcfg-link # Remove machine-id on pre generated images rm -f /etc/machine-id touch /etc/machine-id %end