Resize scratch image, and use GTK display

run-scratch-system.sh

@@ -22,6 +22,7 @@ done
 if [ ! -f ${BASEIMG} ]
 then
     qemu-img convert -f raw -O qcow2 ${IMGDIR}/qemu-amd64.img ${BASEIMG}
+    qemu-img resize ${BASEIMG} 4G
 fi
 if [ ! -f ${TMPIMG} ]
 then
@@ -43,4 +44,4 @@ qemu-system-x86_64 \
     -vga virtio \
     -enable-kvm \
     -cpu host \
-    -display none,show-cursor=on
+    -display gtk