with provisionner

data/QuickAndDirty/test.pkr.hcl

@@ -21,7 +21,7 @@ source "proxmox" "ubuntu" {
     password = "bzzYpm8koNtPKFYjpjXSyjFY"
     ssh_username = "firstuser"
     ssh_password = "firstuser"
-    ssh_timeout = "30m"
+    ssh_timeout = "10m"
     #username = "packer_build@pam"
     #password = "tvowyfv9gh23sdfAERtLWav2674"
     #ssh_username = "packer_build"
@@ -56,4 +56,25 @@ source "proxmox" "ubuntu" {
 
 build {
     sources = [ "source.proxmox.ubuntu" ]
+
+    provisioner "shell" {
+        pause_before = "20s"
+        environment_vars = [
+          "DEBIAN_FRONTEND=noninteractive",
+        ]
+        inline = [
+          "sleep 30",
+          "sudo apt-get update",
+          "sudo apt-get -y upgrade",
+          "sudo apt-get -y dist-upgrade",
+          "sudo apt-get -y install linux-generic linux-headers-generic linux-image-generic",
+          "sudo apt-get -y install wget curl",
+          "sudo apt-get -y autoremove",
+          "sudo apt-get -y autoclean",
+
+          # DHCP Server assigns same IP address if machine-id is preserved, new machine-id will be generated on first boot
+          "sudo truncate -s 0 /etc/machine-id",
+          "exit 0",
+        ]
+    }
 }