How-to articles, tricks, and solutions about PERMISSIONS

One way to block direct access to a file over HTTP but allow PHP script access is to use a .htaccess file in the same directory as the file.

It sounds like you are trying to use the chmod command to change the permissions on a file, but you are encountering an error that says "Operation not permitted".

It is generally not recommended to execute root commands via PHP, as it can pose a security risk to the system.

The error message typically occurs when the PHP script is trying to move an uploaded file from its temporary location to a new destination.