--- a/port.rst	Sat Jul 06 13:45:28 2013 +0300
+++ b/port.rst	Sat Jul 06 14:44:06 2013 +0300
@@ -129,8 +129,9 @@
 
 Scan with nmap.
 ===============
+::
 
-TODO
+  $ nmap HOSTNAME
 
 Scan with netcat.
 =================

--- a/video.rst	Sat Jul 06 13:45:28 2013 +0300
+++ b/video.rst	Sat Jul 06 14:44:06 2013 +0300
@@ -38,13 +38,22 @@
 Web camera.
 ===========
 
-To view image::
+View picture from web camera on display screen::
 
   $ mplayer tv://
   $ mplayer tv:// -tv driver=v4l2:width=640:height=480:fps=15:device=/dev/video0
   $ cheese
   $ camorama
 
+Make screenshort from web camera::
+
+  $ ffmpeg -f video4linux2 -i /dev/v4l/by-id/CAMERA -vframes 1 test.jpeg
+  $ ffmpeg -f video4linux2 -i /dev/v4l/by-id/CAMERA -vframes 4 test%3d.jpeg
+
+Record web camera to a file::
+
+  $ mencoder -fps 15 tv:// -ovc lavc -o my.avi
+
 See:
 
   http://wiki.debian.org/Webcam