pi raspbian backup system

Browse the link: Image File Utilities
Download image-utils.zip

1. Unzip image-utils.zip to ~/image-copy
2. cd ~/image-copy
   
3. Create shell script, mkpi4.sh from dash line to dash line:
   ----------------------------------------------------------------------
   #!/bin/bash
   if [ "$#" -lt 1 ]; then
       echo "Usage: $0 <path>"
       exit
   fi
   
   prefix=$1
   IMG=$(date +pi4_bookworm_%Y%m%d.img)
   START=$(date +%F\ %T)
   sudo /bin/bash /home/chiao/image-copy/image-backup --initial $prefix/$IMG,,1000 -o -P,--exclude-from=/home/chiao/image-copy/exclude.txt
   echo "Start:  $START"
   echo "End: $(date +%F\ %T)"
   ----------------------------------------------------------------------
   
4. sudo mount -t nfs 192.168.1.2:/BACKUP-nvme1n1p2/pi4 /mnt/nfs
5. sudo ./mkpi4.sh /mnt/nfs
6. Wait ...