How do I stop X from starting on boot on the Iteaduino Plus?

From the console you can disable X at startup by issuing the following command.

sudo mv /etc/init/lightdm.conf /etc/init/lightdm.conf.disabled

And then reboot the board.

You will then find you no longer have the X graphical system running and an extra ~100MB of memory to use.

If you wish to re-enable X at startup run the following to "undo" it.

sudo mv /etc/init/lightdm.conf.disabled /etc/init/lightdm.conf

And again following a reboot the service will be re-enabled.

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