# 1. Create the keyring directory
sudo mkdir -p --mode=0755 /usr/share/keyrings

# 2. Fetch the GPG key for the repo (Trixie-specific)
curl -fsSL https://pkgs.tailscale.com/unstable/debian/trixie.noarmor.gpg \
  | sudo tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null

# 3. Add the Tailscale apt repository list for Trixie
curl -fsSL https://pkgs.tailscale.com/unstable/debian/trixie.tailscale-keyring.list \
  | sudo tee /etc/apt/sources.list.d/tailscale.list

# 4. Update apt and install
sudo apt-get update
sudo apt-get install tailscale

# 5. Once installed, enable/start and bring it up:
sudo systemctl enable --now tailscaled
sudo tailscale up