There lies the rub. As a dummy I installed the modified installer on another partition of the same HD. Now I don<t have access to it 
[doublepost=1512657119][/doublepost]Is there a way to somehow prepare the usb key using Mint MATE? I really did not think through when I did the install on the HD instead of a USB drive... Now I fear that I am completely SOL. I can't seem to be able to do anything with my MBP now.
Lastly I did reset the PRAM as a desperate effort to enable internet recovery. So I would need to disable SIP additionnaly...
[doublepost=1512657119][/doublepost]Is there a way to somehow prepare the usb key using Mint MATE? I really did not think through when I did the install on the HD instead of a USB drive... Now I fear that I am completely SOL. I can't seem to be able to do anything with my MBP now.
Lastly I did reset the PRAM as a desperate effort to enable internet recovery. So I would need to disable SIP additionnaly...
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