title: How do I change priority in debian?
body: <p>I am using Raspbian, a Debian distro for the Raspberry Pi. I tried using the task manager but was unable to change the process priority (I was trying to decrease Python's priority). After decreasing the priority and checking again it remained at zero (no change). Is this because of me not being a superuser? If so how do I open the task manager GUI in sudo? If not what else could be the problem?</p>