Tailscale Setup - gorect/Proxmox GitHub Wiki

In your Proxmox shell you will need to run the following commands to add the Tailscale repos for Bullseye, update, and start the tailscale process. After which it will give you an address to navigate to where you can then add your server to the tailscale account!

curl -fsSL https://pkgs.tailscale.com/stable/debian/bullseye.noarmor.gpg | tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null
curl -fsSL https://pkgs.tailscale.com/stable/debian/bullseye.tailscale-keyring.list | tee /etc/apt/sources.list.d/tailscale.list
apt-get update
apt-get install tailscale
tailscale up