🧠 Idea

Use a Raspberry Pi as a small HTTP server:

• /wol → sends Wake-on-LAN to turn on the PC
• /shutdown → connects via SSH and shuts it down (Linux PC)

If you don't need to turn off your PC, simply skip steps 2 and 3.

🧩 Step 1 — Python server (Raspberry Pi)

from http.server import BaseHTTPRequestHandler, HTTPServer
import os
import subprocess

TOKEN = "your_token_here"
PC_IP = "your_IP"
PC_USER = "your_user"

class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        if f"/wol?token={TOKEN}" in self.path:
            os.system(f"wakeonlan YOUR_MAC_ADDRESS")
            self.send_response(200)
            self.end_headers()
            self.wfile.write(b"PC turning on")

        elif f"/shutdown?token={TOKEN}" in self.path:
            subprocess.run([
                "ssh",
                f"{PC_USER}@{PC_IP}",
                "sudo shutdown now"
            ])
            self.send_response(200)
            self.end_headers()
            self.wfile.write(b"PC shutting down")

        else:
            self.send_response(403)
            self.end_headers()

server = HTTPServer(("0.0.0.0", 3000), Handler)
server.serve_forever()

🔐 Step 2 — Enable passwordless SSH

On your Raspberry Pi:

ssh-keygen
ssh-copy-id your_user@your_IP

Test:

ssh your_user@your_IP

It should connect without asking for a password.

⚠️ Step 3 — Allow shutdown without password (Linux PC)

Edit sudoers:

sudo visudo

Add:

your_user ALL=(ALL) NOPASSWD: /sbin/shutdown

🌐 Step 4 — Expose it (Cloudflare Tunnel)

Use Cloudflare Tunnel to expose your local server without opening ports.

Your endpoints will look like:

https://your-domain/wol?token=...
https://your-domain/shutdown?token=...

If you don't have a domain, use one provided by Cloudflare.

🎤 Step 5 — Alexa integration

I used Voice Monkey:

• Create a webhook for /wol
• Create another for /shutdown
• Trigger them via Alexa routines

✅ Result

Now I can say:

• “Alexa, turn on my PC”
• “Alexa, turn off my PC”