If the Pi's are connecting to the Macbooks, the Macbooks need to run a VNC server,
and that can be started by:
- Go to Apple Logo and Select System Preferences
- Open the Sharing 'folder'
- Click and enable Screen Sharing checkbox
This will say something like:
Other users can access your computer's screen at vnc://192.168.0.33/ or by
looking for “...
There is something called VNC that you can use. It is supported natively in Raspbian, and it appears that on a Mac it is also supported quite readily.
Also a more secure method is SSH - but it really depends what you need to do with it. Here is a guide on that.
Keep in mind that Raspbian is a form of Debian - meaning mainstream Linux methods of access ...
You'll need to install a VNC server. TightVNC is a good choice. AdaFruit has a great tutorial:
VNC Remote Control- Raspbian
You can then use the installed VNC client to connect.
You can always install TeamViewer as a quick and dirty solution as well
TeamViewer Raspian ARM
You could attempt to use the inbuilt ssh command in your terminal emulator if ssh server is enabled on the other PI; you can enable it on a headless PI by putting a file with no extension in the boot partition on the SD card.
If you require a graphical desktop use sudo raspi-config in the remote ssh connection and enable vnc server. Than on the original PI ...