How to calibrate on ubuntu

edit

on the file /home/opencv-2.4.10/samples/cpp/tutorial_code/calib3d/camera_calibration, have 'camera_calibration.cpp','in_VID5.xml','VID5.xml'.

According to my situation, I change the 'in_VID5.xml','VID5.xml'

But I don't know how to continue? What command to use?