[fpc-pascal] Access GPIO pins on RPi2 without root?

leledumbo leledumbo_cool at yahoo.co.id
Wed Oct 7 09:30:38 CEST 2015

>How can one control the GPIO outputs on a Raspberry Pi2 without needing the
program to run as root?

sudo chown root <program name>
sudo chmod 4755 <program name>

The 4 is setuid bit, which will allow normal users to run the program but
the program itself has root privilege.

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