Clean up aarch64 build file

Author: ripleymj

packer/ubuntu-kvm.json

@@ -1,8 +1,8 @@
 {
   "min_packer_version": "1.6.0",
   "variables": {
+    "vm_name": "JMU Ubuntu",
     "semester": "Fa21",
-    "version": "20",
 
     "build_id": "{{isotime \"2006-01-02\"}}",
 
@@ -11,7 +11,7 @@
 
     "headless": "false",
 
-    "output_dir": "{{pwd}}/artifacts_ubuntu",
+    "output_dir": "{{pwd}}/{{user `vm_name`}} {{user `semester`}}.utm/Images",
     "mirror_url": "http://cdimage.ubuntu.com/focal/daily-live/current",
     "iso_file": "focal-desktop-arm64.iso",
 
@@ -52,7 +52,7 @@
       "ssh_username": "{{user `ssh_user`}}",
       "ssh_password": "{{user `ssh_pass`}}",
       "ssh_timeout": "100m",
-      "vm_name": "image-{{user `semester` | lower }}",
+      "vm_name": "image-{{user `semester` | lower }}.qcow2",
       "net_device": "virtio-net",
       "disk_interface": "virtio",
       "boot_wait": "15s",