Install cgroup-tools by entering the following commands in the terminal:
sudo apt update sudo apt install cgroup-tools
control and monitor control groups (tools)
Control Groups (cgroups) provide a mechanism for aggregating/partitioning sets of tasks, and all their future children, into hierarchical groups with specialized behaviour. . libcgroup allows one to manipulate, control, administrate and monitor cgroups and the associated controllers. . This package contains the command-line tools.