To enable the Cgroups Manager:
Install the component Resource Controller (Cgroups) using the Plesk
Installer:Go to Tools & Settings > Updates > Add/Remove Components.
Select the “Resource Controller (Cgroups)” and hit Continue.
Note: If the required component is missing from the list of
available components, make sure that your system meets the
requirements.
Start the component:
- Go to Tools & Settings
- Click the Services Management link
- Start the service “Resource Controller (Cgroups)”.