cgroupfs-umount command not found

In this troubleshooting guide we learn how to fix cgroupfs-umount command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

cgroupfs-umount: command not found

or when using sudo you get the following error message

sudo: cgroupfs-umount: command not found

In Ubuntu cgroupfs-umount is provided by cgroupfs-mount package.

cgroupfs-mount is:

Control groups are a kernel mechanism for tracking and imposing limits on resource usage on groups of tasks.

This package installs scripts to set up cgroups at boot without doing any cgroup management or doing any classification of tasks into cgroups.

To fix this problem, we can install more using the command below.

sudo apt-get -y install cgroupfs-mount

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install cgroupfs-mount.

sudo apt -y install cgroupfs-mount

Or if you have aptitude installed you can use the following command.

sudo aptitude install cgroupfs-mount

In this tutorial we learn how to fix cgroupfs-umount command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.