Assorted aarch64 fixups

Author: ripleymj

.github/workflows/lint.yml

@@ -45,6 +45,7 @@ jobs:
         run: |
           $HOME/packer/packer validate packer/ubuntu-build.json
           $HOME/packer/packer validate packer/mint-build.json
+          $HOME/packer/packer validate packer/ubuntu-kvm.json
           $HOME/packer/packer validate -var-file=packer/beta-vars.json packer/mint-build.json
   Python:
     name: Run Python lint tests

packer/ubuntu-kvm.json

@@ -1,7 +1,6 @@
 {
-  "min_packer_version": "1.7.1",
+  "min_packer_version": "1.6.0",
   "variables": {
-    "vm_name": "JMU Linux Mint",
     "semester": "Fa21",
     "version": "20",
 
@@ -12,7 +11,7 @@
 
     "headless": "false",
 
-    "output_dir": "{{pwd}}/artifacts_mint",
+    "output_dir": "{{pwd}}/artifacts_ubuntu",
     "mirror_url": "http://cdimage.ubuntu.com/focal/daily-live/current",
     "iso_file": "focal-desktop-arm64.iso",
 
@@ -27,9 +26,9 @@
       "accelerator": "kvm",
       "memory": 4096,
       "machine_type": "virt",
-      "firmware": "/usr/share/qemu-efi-aarch64/QEMU_EFI.fd",
       "qemu_binary": "qemu-system-aarch64",
       "qemuargs": [
+        [ "-bios", "/usr/share/qemu-efi-aarch64/QEMU_EFI.fd" ],
         [ "-boot", "strict=off" ],
         [ "-vga", "vmware" ],
         [ "-cpu", "host" ],
@@ -53,7 +52,7 @@
       "ssh_username": "{{user `ssh_user`}}",
       "ssh_password": "{{user `ssh_pass`}}",
       "ssh_timeout": "100m",
-      "vm_name": "{{user `vm_name`}} {{user `semester`}}",
+      "vm_name": "image-{{user `semester` | lower }}",
       "net_device": "virtio-net",
       "disk_interface": "virtio",
       "boot_wait": "15s",