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I am trying to use shell_exec command in a php file.

shell_exec(date) works fine, but shell_exec(sudo date) is not working.

Is there any limitation with sudo command in shell_exec?

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  • Check this: stackoverflow.com/questions/5652986/php-sudo-in-shell-exec Commented May 10, 2015 at 5:27
  • when using sudo in shell_exec, following msg is shown in the brwoser: 'sudo: no tty present and no askpass program specified' Commented May 10, 2015 at 5:41
  • Don't use sudo. Give proper permissions to resources so that the web server can execute the commands without sudo Commented May 10, 2015 at 5:57
  • TTY settings can be altered in sudoers. Commented May 10, 2015 at 6:51
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