Changing permissions via chmod at runtime errors with “Operation not permitted”

Question

When I use chmod() to change permissions at run time, it gives me the below message:

Warning: chmod() [function.chmod]: Operation not permitt

Answer 1

You, or most likely your sysadmin, will need to login as root and run the chown command: http://www.computerhope.com/unix/uchown.htm

Through this command you will become the owner of the file.

Or, you can be a member of a group that owns this file and then you can use chmod.

But, talk with your sysadmin.