diff --git a/Commands.md b/Commands.md
index d6a732d..21adb3f 100644
--- a/Commands.md
+++ b/Commands.md
@@ -3,7 +3,27 @@ copy image
 ```bash
 byobu
 
-imgname=`date +"%Y-%m-%d-%H%M-%S"`-grandfatherclock-pi4.img; xzname=$imgname.xz;  dadisk=/dev/sdb; webhook "starting copy $dadisk to $imgname to $xzname"; sudo dd if=$dadisk of=$imgname bs=4M status=progress; webhook "Copied the disk to $imgname, compressing to $xzname"; sudo pishrink.sh -v -Z -a $imgname $xzname; webhook "$imgname shrunk to $xzname, deleting $imgname" true; # sudo rm -f $imgname; webhook "done!" true; sudo shutdown -r +1
+imgname=`date +"%Y-%m-%d-%H%M-%S"`-grandfatherclock-pi4.img
+xzname=$imgname.xz
+dadisk=/dev/sdb
+
+webhook "starting copy $dadisk to $imgname to $xzname"
+sudo dd if=$dadisk of=$imgname bs=4M status=progress
+
+webhook "Copied the disk to $imgname, compressing to $xzname"
+sudo pishrink.sh -v -Z -a $imgname
+
+webhook "$imgname shrunk to $xzname, calculating sha256 checksums..." true
+sha256sum $imgname | tee sha256sum-$imgname.txt
+sha256sum $imgname | tee -a sha256sum-$xzname.txt
+
+webhook "getting sizes"
+du -h $imgname | tee sizes-$imgname-$xzame.txt
+du -h $xzname | tee -a sizes-$imgname-$xzame.txt
+
+# sudo rm -f $imgname
+webhook "done!" true
+# sudo shutdown -r +1
 ```
 
 watch file
diff --git a/notes-scratch.txt b/notes-scratch.txt
index e69de29..d18aec6 100644
--- a/notes-scratch.txt
+++ b/notes-scratch.txt
@@ -0,0 +1,3 @@
+grandfather:grandfather123abc
+
+ssh grandfather@grandfatherclock
\ No newline at end of file