It is said that the SSH Server is already on MAC OS. All that we need to do is to start that.
First of all, create an user account.
System Preferences ---> Account
click on the icon 'lock' to release the lock and then click the signal '+'. Type the name and password, create the user as administrator.
Second, opent the console
前往----》 实用工具
Thirth, make remote access work
System Preferences ---> Sharing ----> Remote Login / Remote Management
Then, I can access the Mac Mini server with my ssh client.
I download the VNC client software vnc-4_1_3-x86_win32.exe and install it.
type in the ip address and choose the Colour & Encoding ---> Color level to Full(all available colours).
then, click Load/Save ---> Save.