* Edit /etc/network/interfaces as well if the file exists already,
we definitely need at least a loopback interface.
* Adjust hostname in /etc/postfix/main.cf.
* Unify the --bootappend option, it's not --boot_append (thanks for
the hint, Tong Sun).
* Support execution of further scripts via --scripts and --chroot-scripts.
* Edit /etc/network/interfaces as well if the file exists already,
we definitely need at least a loopback interface.
* Adjust hostname in /etc/postfix/main.cf.
* Unify the --bootappend option, it's not --boot_append (thanks for
the hint, Tong Sun).
* Support execution of further scripts via --scripts and --chroot-scripts.