So I have been trying to turn on some lights using this code exec("python /var/www/html/scripts/lights/lampon.py");. When I run it directly in the terminal it works, but when I try to run this through my page, it dosen't do anything. Even when I run the code above through php -a it works... So I do not know what the problem is. If anyone has an answer to this it would be great. I've tried almost everything but nothing works. Thanks in advance.
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Have you looked at SELinux? If not in production, try setting it to permissive to see if that resolves the issue. It sounds like it could be an SELinux problem. – rg6 Sep 02 '17 at 02:24
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1permission issues – mwweb Sep 02 '17 at 04:33
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Another thing is that you might make the path to python absolute. – Brian Gottier Sep 02 '17 at 05:00
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Possible duplicate of [Running a Python script from PHP](https://stackoverflow.com/questions/19735250/running-a-python-script-from-php) – localheinz Sep 02 '17 at 10:24