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  1. #1

    permission error calling prog. flags

    for some days now i have been struggeling with the following issue:
    i have a C webapp running on a apache webserver, from this app i call to /sys/class/
    gpio/... IO's by using a command like ->system("echo 1 > /sys/class/gpio/gpio5/value"). but this always results in a permission denied error in my apache error.log although i have done a chmod 777 on all the regarding files and i added the directory in the httpd.conf file.

    please help me(!!!)

  2. #2
    problem solved-> i did not give a parent directory the right permissions

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