How To Install diffmon on Ubuntu 20.04

In this tutorial we learn how to install diffmon on Ubuntu 20.04. diffmon is Tool for reporting changes in system configuration

Introduction

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

What is diffmon

diffmon is:

This tool is run by a nightly cron job, and takes a `diff’ of specified system configuration files and emails them to a specified email address. Options to diff can be specified. This is useful in friendly environments where there are multiple sysadmins working on configuration files/setups and everyone’s changes are reported. CVS is a better answer, but most of us don’t want to have the hassle of putting system files in a repository.

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

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

sudo apt-get update

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

sudo apt-get -y install diffmon

Install diffmon Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install diffmon

Install diffmon 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 diffmon using aptitude by running the following command:

sudo aptitude -y install diffmon

How To Uninstall diffmon on Ubuntu 20.04

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

sudo apt-get remove diffmon

Uninstall diffmon And Its Dependencies

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

sudo apt-get -y autoremove diffmon

Remove diffmon Configurations and Data

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

sudo apt-get -y purge diffmon

Remove diffmon configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge diffmon

References

Summary

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