--- a/linux-wifi.rst	Thu Feb 12 19:41:14 2015 +0200
+++ b/linux-wifi.rst	Sun Feb 15 12:13:07 2015 +0200
@@ -13,8 +13,19 @@
   $ /sbin/iwconfig
   $ sudo iwlist wlan0 scanning
 
+..
+
   http://wiki.debian.org/iwconfig
     Debian wiki.
   http://en.wikipedia.org/wiki/Wireless_tools_for_Linux
     Wireless tools for Linux.
+  https://wiki.archlinux.org/index.php/Wireless_network_configuration
+    WiFi at Arch wiki.
 
+Rfkill caveat.
+==============
+::
+
+  $ rfkill list
+  $ rfkill unblock wifi
+