how-to-setup-dji-m100.md

@@ -108,4 +108,16 @@ If the remote controller paired need to be change, follow the indications here:
 http://wiki.dji.com/en/index.php/Matrice_100-Linking_the_Remote_Controller (note that the linking button is red and have to be pushed toward the top).
 
 ## To set up a dongle of wifi ssh
-Since MistLab current dongles are Realtek rt8192 so follow these instructions to install on Ubuntu 14.04: https://github.com/vincent-t/rt8192cu_dkms
\ No newline at end of file
+Since MistLab current dongles are Realtek rtl8188 a firmware need to be dowloaded from: http://elinux.org/images/a/a8/Rtl8192cufw.bin.zip. Nevertheless hostapd (for Access Point configuration) doesn't seem to work with this dongle on Tegra.
+
+## To allow shutdown from the RC Client node
+`sudo nano /var/lib/polkit-1/localauthority/50-local.d/custom-actions.pkla`
+and copy
+```
+[Actions for ubuntu user]
+Identity=unix-user:ubuntu
+Action=org.freedesktop.upower.*;org.freedesktop.consolekit.system.*;org.freedesk​top.udisks.*
+ResultAny=yes
+ResultInactive=no
+ResultActive=yes
+```
\ No newline at end of file