A script to start, stop or install the Tailscale daemon without root.

tailscale_manager.sh

#!/bin/bash

# A script to start, stop or install the Tailscale daemon without root.
#
# Usage:
#   ./tailscale_manager.sh start
#   ./tailscale_manager.sh stop
#   ./tailscale_manager.sh install

readonly TAILSCALE_URL='https://pkgs.tailscale.com/stable/tailscale_1.84.0_amd64.tgz'
readonly TAILSCALE_DIR="$HOME/tailscale"

if ! [[ -d "$TAILSCALE_DIR" || "$1" == "install" ]]; then
  echo "Tailscale installation not found."
  exit 1
fi

readonly SOCKET="$TAILSCALE_DIR/tailscaled.sock"
readonly STATE_DIR="$TAILSCALE_DIR/state"
readonly TAILSCALED_EXEC="$TAILSCALE_DIR/tailscaled"
readonly TAILSCALE_EXEC="$TAILSCALE_DIR/tailscale"

mkdir -p "$STATE_DIR"

case "$1" in
  start)
    echo "Starting Tailscale..."
    start-stop-daemon \
      --start \
      --background \
      --exec "$TAILSCALED_EXEC" \
      -- \
        -no-logs-no-support \
        -tun "userspace-networking" \
        -socket "$SOCKET" \
        -statedir "$STATE_DIR"
    sleep 2
    "$TAILSCALE_EXEC" --socket "$SOCKET" up
    echo "Tailscale started."
    ;;
  stop)
    echo "Stopping Tailscale..."
    "$TAILSCALE_EXEC" --socket "$SOCKET" down
    start-stop-daemon \
      --stop \
      --exec "$TAILSCALED_EXEC"
    echo "Tailscale stopped."
    ;;
  install)
    echo "Installing Tailscale..."
    mkdir -p "$TAILSCALE_DIR"
    cd "$TAILSCALE_DIR"
    curl -L "$TAILSCALE_URL" | tar xzf - --strip-components 1
    echo "Tailscale installed."
    ;;
  *)
    echo "Usage: $0 {start|stop|install}"
    exit 1
    ;;
esac

exit 0