How can testing external commands in PHP scripts on the server's shell help identify and troubleshoot issues related to sudo permissions?

When troubleshooting sudo permission issues in PHP scripts, testing external commands on the server's shell can help identify where the problem lies. By running the command directly on the shell, you can see if it requires sudo permissions and if it executes successfully. This can help pinpoint any permission-related issues and determine if adjustments need to be made to the sudo configuration. 

<?php
$command = 'sudo ls -l';
$output = shell_exec($command);
echo $output;
?>

Keywords

PHP shell commands testing sudo permissions troubleshooting

Related Questions