How to Limit CPU and Memory Usage With Cgroups on Debian/Ubuntu Cgroups is a flexible Linux kernel feature to limit, police and account resources usage. A cgroup is a set of tasks for a subsystems, that is typically a resource controller.
A file system of type cgroup is mounted and all operations are run over it.
Installation The installation can be done using any of libcgroup, cgmanager or systemd.
Usage They can be used in multiple ways