========== iscsi-boot ========== Handles configuration for the disk to be capable of serving as a remote root filesystem through iSCSI. Currently, this element only configures Ubuntu/Debian images. It performs the following actions: * Installs the ``open-iscsi`` package. * Creates the ``etc/iscsi/iscsi.initramfs`` configuration file and sets ``ISCSI_AUTO=true`` within it. * Updates the initramfs to apply the changes.