How to Use prctl to Display, Replace, and Verify the Value of a Control on a Project

1. Become superuser or assume an equivalent role.

2. Display the value of project.cpu-shares in the project group.staff.

   # prctl -n project.cpu-shares -i project group.staff project: 2: group.staff NAME PRIVILEGE VALUE FLAG ACTION RECIPIENT project.cpu-shares privileged 1 - none - system 65.5K max none

3. Replace the current project.cpu-shares value 1 with the value 10.

   # prctl -n project.cpu-shares -v 10 -r -i project group.staff

4. Display the value of project.cpu-shares in the project group.staff.

   # prctl -n project.cpu-shares -i project group.staff project: 2: group.staff NAME PRIVILEGE VALUE FLAG ACTION RECIPIENT project.cpu-shares privileged 10 - none - system 65.5K max none