How To Install ndpmon on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ndpmon on Ubuntu 18.04.
What is ndpmon
ndpmon is:
NDPMon, IPv6 Neighbor Discovery Protocol Monitor, is a tool working with ICMPv6 packets. NDPMon observes the local network to see if nodes using Neighbor Discovery messages behave properly. When it detects a suspicious Neighbor Discovery message, it notifies the administrator by writing in the syslog and in some cases by sending an email report. NDPMon is an equivalent of ArpWatch for IPv6.
There are three methods to install ndpmon 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 ndpmon Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ndpmon using apt-get by running the following command:
sudo apt-get -y install ndpmon
Install ndpmon Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ndpmon using apt by running the following command:
sudo apt -y install ndpmon
Install ndpmon 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 ndpmon using aptitude by running the following command:
sudo aptitude -y install ndpmon
How To Uninstall ndpmon on Ubuntu 18.04
To uninstall only the ndpmon package we can use the following command:
sudo apt-get remove ndpmon
Uninstall ndpmon And Its Dependencies
To uninstall ndpmon and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ndpmon
Remove ndpmon Configurations and Data
To remove ndpmon configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ndpmon
Remove ndpmon configuration, data, and all of its dependencies
We can use the following command to remove ndpmon configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ndpmon
References
Summary
In this tutorial we learn how to install ndpmon package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
