30/06/2016
OS X Yosemite: Share the screen of another Mac
Times have certainly changed since I use a ibook running panther more than 10 years ago. with Yosemite, you can remotely control a server. that’s is good, no more Terminal bash#
Before you start, make sure the Mac whose screen you want to control has screen sharing turned on. (For more information, see Share your screen.)
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Open a Finder window. If no shared computers appear in the Shared section of the sidebar, put the pointer on the word Shared and click Show.
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Select a computer, then click Share Screen.
If you don’t see the Mac you want, click All to see all the available computers, select the one whose screen you want to share, then click Share Screen.
https://support.apple.com/kb/PH18688?locale=en_US