CentOS6.3 VNC
http://www.centoscn.com/image-text/install/2014/0504/2905.html
http://blog.sina.com.cn/s/blog_53ec9d910102vayw.html
http://www.aiplaypc.com/289.html
http://blog.itpub.net/519536/viewspace-607549/
http://blog.****.net/gold2008/article/details/23928629
delete -nolisten tcp -localhost
use 5901