clarify image creation instructions

scripts/build_alpine_amd64_machine_image.sh

@@ -1,10 +1,16 @@
-qemu-img create -f qcow2 alpine_3.16.0_lxd-amd64.qcow2 32G 
+qemu-img create -f qcow2 alpine_3.16.0_lxd-x86_64.qcow2 1G 
 
 wget https://dl-cdn.alpinelinux.org/alpine/v3.16/releases/x86_64/alpine-standard-3.16.0-x86_64.iso
 
 qemu-system-x86_64 -cpu qemu64 -m 1G \
-    -hda alpine_3.16.0_lxd-amd64.qcow2 \
+    -hda alpine_3.16.0_lxd-x86_64.qcow2 \
     -cdrom alpine-standard-3.16.0-x86_64.iso \
     -boot d \
     -smp 2 \
-    -nic user,hostfwd=tcp::4022-:22
+    -netdev user,id=net0,hostfwd=tcp::3024-:22 \
+    -device e1000,netdev=net0,mac=56:c9:81:7f:9c:0b
+
+# inside the vm run alpine-setup
+# Allow root ssh login: yes
+# Which disk you would like to use: sda
+# How would you like to use it: sys

scripts/enable_lxd.sh

@@ -1,5 +1,5 @@
 apk update
-apk add zfs zfs-lts
+apk add zfs
 reboot
 
 # ssh back into the vm