Hi Apache in debian runs as user www-data. Has the user www-data the rights to run 1. your program 2. access gpio
You may test this if you su www-data, having no password: su # become root su www-data # become user www-data bash # as www-data has no shell /var/www/ledCtl $led $onOff HTH On Tue, Dec 8, 2015 at 8:02 PM, Marcelo Rodrigues <[email protected]> wrote: > Hi Everyone, > > I wrote a small C program for turning on/off the LEDs of the BeagleBone, it > works fine when I call it direct from command line. However, when I try to > call it from a PHP code it doesn't work. > > I'm using Linux beaglebone 3.8.13-bone71.1 and Apache2. The C program reads > 2 arguments from command line (led and onOff) that says which led to control > and its state. The exec line in the PHP code is the following: > exec("/var/www/ledCtl $led $onOff"); > > Do you have any idea how can I find the reason this call doen'st work from > PHP code? > > Thanks in advance. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
