#!/bin/bash
NFS_IP="192.168.1.5"
NFS_ROOT_PATH="/volume1/rpi/tftpboot/6218cd17"
NFS_DIR="/iscsi/$(hostname -s)-iscsi"
ISCSI_ROOT_PARTUUID=""

# Mount the NFS Folder
#NFS_DIR="$(mktemp -d)"
#sudo mount ${NFS_IP}:${NFS_ROOT_PATH} ${NFS_DIR}

# Update the PARTUUID
sudo sed -i -r -E \
  "s@(.*root=PARTUUID=)[A-Za-z0-9-]+(.*)@\1${ISCSI_ROOT_PARTUUID}\2@" \
  ${NFS_DIR}/cmdline.txt
  
# Unmount the NFS Folder
#sudo umount ${NFS_DIR}
#view raw