re-enable dbus in subshell; x11vnc -nopw

ubuntu-desktop/start-desktop.sh

@@ -22,9 +22,8 @@ XVFB_PID=$!
 sleep 2
 echo "[start-desktop] After Xvfb sleep 2" >&2
 
-# Start dbus for session (optional; avoid exit on failure so noVNC can still serve)
-# Disabled: can trigger set -e in some envs
-# dbus-daemon --session 2>/dev/null || true
+# Start dbus for session (optional; run in subshell so failure never triggers set -e)
+( dbus-daemon --session 2>/dev/null ) || true
 echo "[start-desktop] Before XFCE background" >&2
 
 # Start XFCE (lightweight); use full path in case PATH is minimal
@@ -35,7 +34,7 @@ sleep 3
 echo "[start-desktop] XFCE started, starting x11vnc ..." >&2
 
 # x11vnc: share display :99 on port 5901 (do not exit on failure so noVNC can still start)
-x11vnc -display "$DISPLAY" -rfbport "$VNC_PORT" -forever -shared -noxdamage -bg || true
+x11vnc -display "$DISPLAY" -rfbport "$VNC_PORT" -forever -shared -noxdamage -nopw -bg || true
 
 # SSH (optional): do not let failures here stop noVNC
 set +e