安裝過程參考:http://blog.csdn.net/mars_nudt/article/details/7464088
q1:‘python-gnomedesktop’安裝包問題
a1:將安裝命令中的python-gnomedesktop換爲python-gnome2-desktop-dev
參考網址:https://stackoverflow.com/questions/36252495/unable-to-locate-package-python-gnomedesktop-installing-pyviz-in-ns3
q2:./waf 沒有那個文件或目錄
a2:進入ns-allinone-3.26/ns-3.26文件夾後再進行PyViz測試
q3:IOError:[Errno13] Permission denied:
a3:命令最前邊加“sudo ”獲得權限