https://www.raspberrypi.org/documentation/remote-access/vnc/

$ sudo apt-get update
$ sudo apt-get install tightvncserver
$ tightvncserver

Start VNC Server:

$ vncserver :1 -geometry 1024x768 -depth 24

Stop the X Session:

$ service lightdm stop

Install the client for and on your system.
http://www.tightvnc.com/download.php

Go to:

$ nano /home/pi/.vnc/xstartup

Add: -cursor_name left_ptr
So it looks like that:

xsetroot -solid grey -cursor_name left_ptr

Download, unpack and copy the vncboot script to the /etc/init.d

$ cd Downloads
$ wget http://www.dernulleffekt.de/programme/vncboot.tar
$ tar -xf vncboot.tar
$ sudo cp vncboot /etc/init.d/
$ cd /etc/init.d/
$ sudo chmod 755 vncboot

Stop the Displaymanager on :0 and start the vnc server on :1

$ sudo update-rc.d -f lightdm remove
$ sudo update-rc.d vncboot defaults

Reboot the Raspberry Pi

$ sudo reboot