How To Install libpam-cgfs on Ubuntu 18.04

In this tutorial we learn how to install libpam-cgfs on Ubuntu 18.04. libpam-cgfs is PAM module for managing cgroups for LXC

Introduction

In this tutorial we learn how to install libpam-cgfs on Ubuntu 18.04.

What is libpam-cgfs

libpam-cgfs is:

Containers are insulated areas inside a system, which have their own namespace for filesystem, network, PID, IPC, CPU and memory allocation and which can be created using the Control Group and Namespace features included in the Linux kernel.

This provides a Pluggable Authentication Module (PAM) to provide logged-in users with a set of cgroups which they can administer. This allows for instance unprivileged containers, and session management using cgroup process tracking.

There are three methods to install libpam-cgfs on Ubuntu 18.04. 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-cgfs 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-cgfs using apt-get by running the following command:

sudo apt-get -y install libpam-cgfs

Install libpam-cgfs Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libpam-cgfs

Install libpam-cgfs 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-cgfs using aptitude by running the following command:

sudo aptitude -y install libpam-cgfs

How To Uninstall libpam-cgfs on Ubuntu 18.04

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

sudo apt-get remove libpam-cgfs

Uninstall libpam-cgfs And Its Dependencies

To uninstall libpam-cgfs and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libpam-cgfs

Remove libpam-cgfs Configurations and Data

To remove libpam-cgfs configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libpam-cgfs

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

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

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

References

Summary

In this tutorial we learn how to install libpam-cgfs package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.