How To Install knocker on Ubuntu 18.04
Introduction
In this tutorial we learn how to install knocker on Ubuntu 18.04.
What is knocker
knocker is:
Knocker is a new, simple, and easy to use TCP security port scanner written in C, using threads. It is able to analyze hosts and the network services which are running on them.
There are three methods to install knocker 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 knocker Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install knocker using apt-get by running the following command:
sudo apt-get -y install knocker
Install knocker Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install knocker using apt by running the following command:
sudo apt -y install knocker
Install knocker 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 knocker using aptitude by running the following command:
sudo aptitude -y install knocker
How To Uninstall knocker on Ubuntu 18.04
To uninstall only the knocker package we can use the following command:
sudo apt-get remove knocker
Uninstall knocker And Its Dependencies
To uninstall knocker and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove knocker
Remove knocker Configurations and Data
To remove knocker configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge knocker
Remove knocker configuration, data, and all of its dependencies
We can use the following command to remove knocker configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge knocker
References
Summary
In this tutorial we learn how to install knocker package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.