diff --git a/5.update-fstab.sh b/5.update-fstab.sh
new file mode 100644
index 0000000..f4a5a79
--- /dev/null
+++ b/5.update-fstab.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+PI_SERIAL="3079dde4"
+TFTP_ROOT="/volume1/rpi/tftpboot/"
+ISCSI_ROOT_PARTITION="/dev/sda1"
+ISCSI_ROOT_DIR="/tmp/tmp.8feKTYMg0S"
+ISCSI_TARGET_IQN="iqn.2000-01.com.synology:SynologyNAS.default-target.b63ef49539c"
+
+# Update /boot to point to the NFS mount of the TFTP folder for the Pi.
+NFS_IP="192.168.1.5"
+NFS_ROOT_PATH="${TFTP_ROOT}${PI_MAC}"
+sudo sed -i -r -E \
+  "s@.*/boot +.*@${NFS_IP}:${NFS_ROOT_PATH} /boot nfs defaults,vers=4.1,proto=tcp 0 0@" \
+  ${ISCSI_ROOT_DIR}/etc/fstab
+
+# Update / to point to the iSCSI drive.
+ISCSI_ROOT_PARTUUID=$(sudo blkid | grep ${ISCSI_ROOT_PARTITION} | tr ' ' '\n' | grep PARTUUID | cut -d '=' -f 2 | tr -d '"')
+sudo sed -i -r -E \
+  "s@.*/ +.*@PARTUUID=${ISCSI_ROOT_PARTUUID} / ext4 _netdev,noatime 0 1@" \
+  ${ISCSI_ROOT_DIR}/etc/fstab
+  
+# The connection to the iSCSI device is no longer needed, so clean it up.
+#sudo umount ${ISCSI_ROOT_DIR}
+#sudo iscsiadm --m node -T ${ISCSI_TARGET_IQN} --portal ${ISCSI_TARGET_IP}:3260 -u
+#sudo iscsiadm -m node -o delete -T ${ISCSI_TARGET_IQN} --portal ${ISCSI_TARGET_IP}:3260
\ No newline at end of file