How To Install libpam-cgroup on Ubuntu 20.04

In this tutorial we learn how to install libpam-cgroup on Ubuntu 20.04. libpam-cgroup is control and monitor control groups (PAM)

Introduction

In this tutorial we learn how to install libpam-cgroup on Ubuntu 20.04.

What is libpam-cgroup

libpam-cgroup is:

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 PAM module to move a user session into an existing cgroup by attempting to match uid and gid against the defined cgroup rules configuration.

There are three methods to install libpam-cgroup on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libpam-cgroup Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libpam-cgroup using apt-get by running the following command:

sudo apt-get -y install libpam-cgroup

Install libpam-cgroup Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libpam-cgroup using apt by running the following command:

sudo apt -y install libpam-cgroup

Install libpam-cgroup Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libpam-cgroup using aptitude by running the following command:

sudo aptitude -y install libpam-cgroup

How To Uninstall libpam-cgroup on Ubuntu 20.04

To uninstall only the libpam-cgroup package we can use the following command:

sudo apt-get remove libpam-cgroup

Uninstall libpam-cgroup And Its Dependencies

To uninstall libpam-cgroup and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libpam-cgroup

Remove libpam-cgroup Configurations and Data

To remove libpam-cgroup configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libpam-cgroup

Remove libpam-cgroup configuration, data, and all of its dependencies

We can use the following command to remove libpam-cgroup configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libpam-cgroup

References

Summary

In this tutorial we learn how to install libpam-cgroup package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.