install Proxmox guest agent in Debaim

Step 1 – Install the QEMU Guest Agent inside Debian

sudo apt update
sudo apt install qemu-guest-agent -y

Step 2 – Enable and Start the Service

sudo systemctl enable qemu-guest-agent
sudo systemctl start qemu-guest-agent

Check its running

sudo systemctl status qemu-guest-agent

Step 3 – Enable the Guest Agent in Proxmox

Now switch to the Proxmox web interface:

1. Select your VM
2. Go to Options
3. Find QEMU Guest Agent
4. Click Edit
5. Set it to Enabled
6. Reboot the VM (recommended)

Step 4 – Confirm It’s Workin

After reboot:

• In Proxmox → VM → Summary
• You should now see the VM’s IP address populated
• Shutdown from Proxmox should now perform a clean OS shutdown

You can also test from Proxmox shell:

qm agent ping

If it replies, it’s working.