How To Install diffmon on Ubuntu 20.04
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
.