Make a dedicated Wake-on-LAN server with Tailscale

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Learn how to combine Tailscale with Wake-on-LAN to wake sleeping PCs and servers remotely using a Raspberry Pi, UpSnap, or Docker.
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Tailscale can securely connect to devices across networks, but it cannot wake a sleeping or powered-off device because Wake-on-LAN operates at Layer 2 while Tailscale operates at Layer 3. The solution is to use an always-on device such as a Raspberry Pi to send WoL packets on the local network. This guide covers command-line wakeups with etherwake, the UpSnap web app, and a Tailscale-enabled Docker setup for waking PCs and servers remotely.