How To Install fcheck on Ubuntu 20.04

In this tutorial we learn how to install fcheck on Ubuntu 20.04. fcheck is IDS filesystem baseline integrity checker

Introduction

In this tutorial we learn how to install fcheck on Ubuntu 20.04.

What is fcheck

fcheck is:

The fcheck utility is an IDS (Intrusion Detection System) which can be used to monitor changes to any given filesystem.

Essentially, fcheck has the ability to monitor directories, files or complete filesystems for any additions, deletions, and modifications. It is configurable to exclude active log files, and can be run as often as needed from the command line or cron making it extremely difficult to circumvent.

There are three methods to install fcheck 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 fcheck Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install fcheck

Install fcheck Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install fcheck using apt by running the following command:

sudo apt -y install fcheck

Install fcheck 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 fcheck using aptitude by running the following command:

sudo aptitude -y install fcheck

How To Uninstall fcheck on Ubuntu 20.04

To uninstall only the fcheck package we can use the following command:

sudo apt-get remove fcheck

Uninstall fcheck And Its Dependencies

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

sudo apt-get -y autoremove fcheck

Remove fcheck Configurations and Data

To remove fcheck configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge fcheck

Remove fcheck configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge fcheck

References

Summary

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