Just run this sequence of commands to install tailscale. This will automatically determine the correct Ubuntu version
curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/$(lsb_release -sc).gpg | sudo apt-key add - curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/$(lsb_release -sc).list | sudo tee /etc/apt/sources.list.d/tailscale.list sudo apt-get update sudo apt-get install tailscale