try things

.gitignore

@@ -1 +1,3 @@
 /debian-image/build
+/tmp
+/vm-state

create-vms.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/bash
+
+set -eu
+
+NAME="$1"
+
+mkdir -p tmp
+mkdir -p vm-state
+
+IMG=debian-12-genericcloud-amd64.qcow2
+
+if ! [ -f "tmp/$IMG" ]; then
+    curl -L -o "tmp/$IMG" https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-genericcloud-amd64.qcow2
+fi
+
+DISK="vm-state/$NAME.qcow2"
+cp "tmp/$IMG" "$DISK"
+
+virt-install -n "$NAME" \
+    --os-variant=debian12 \
+    --ram=2048 --vcpus=2 \
+    --import --disk "path=$DISK,bus=virtio" \
+    --network network=default,model=virtio \
+    --graphics=none --rng /dev/urandom \
+    --cloud-init=user-data=user-data
+    #--noautoconsole

init-vm.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+ssh-keygen -A

user-data

@@ -0,0 +1,2 @@
+ssh_authorized_keys:
+  - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG0n1ikUG9rYqobh7WpAyXrqZqxQoQ2zNJrFPj12gTpP nilsh@PC-Nils