Refactor code for improved readability and performance

scripts/setup-ssh-keys.md

@@ -0,0 +1,39 @@
+# SSH Key Authentication Setup Guide
+
+## On Local Machine
+
+1. Generate SSH key pair (if not exists):
+   ```bash
+   ssh-keygen -t ed25519 -C "proxmox-deployment" -f ~/.ssh/id_ed25519_proxmox
+   ```
+
+2. Copy public key to Proxmox host:
+   ```bash
+   ssh-copy-id -i ~/.ssh/id_ed25519_proxmox.pub root@192.168.11.10
+   ```
+
+## On Proxmox Host
+
+1. Edit SSH config:
+   ```bash
+   nano /etc/ssh/sshd_config
+   ```
+
+2. Set these options:
+   ```
+   PasswordAuthentication no
+   PubkeyAuthentication yes
+   ```
+
+3. Restart SSH service:
+   ```bash
+   systemctl restart sshd
+   ```
+
+## Test
+
+```bash
+ssh -i ~/.ssh/id_ed25519_proxmox root@192.168.11.10
+```
+
+**Note**: Keep password authentication enabled until SSH keys are verified working!