How To Install netfilter-persistent on Ubuntu 20.04
Introduction
In this tutorial we learn how to install netfilter-persistent on Ubuntu 20.04.
What is netfilter-persistent
netfilter-persistent is:
This package provides a loader for netfilter configuration using a plugin-based architecture. It can load, flush and save a running configuration. Extending netfilter-persistent with plugins is trivial and can be done in any language.
There are three methods to install netfilter-persistent 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 netfilter-persistent Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install netfilter-persistent using apt-get by running the following command:
sudo apt-get -y install netfilter-persistent
Install netfilter-persistent Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install netfilter-persistent using apt by running the following command:
sudo apt -y install netfilter-persistent
Install netfilter-persistent 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 netfilter-persistent using aptitude by running the following command:
sudo aptitude -y install netfilter-persistent
How To Uninstall netfilter-persistent on Ubuntu 20.04
To uninstall only the netfilter-persistent package we can use the following command:
sudo apt-get remove netfilter-persistent
Uninstall netfilter-persistent And Its Dependencies
To uninstall netfilter-persistent and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove netfilter-persistent
Remove netfilter-persistent Configurations and Data
To remove netfilter-persistent configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge netfilter-persistent
Remove netfilter-persistent configuration, data, and all of its dependencies
We can use the following command to remove netfilter-persistent configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge netfilter-persistent
References
Summary
In this tutorial we learn how to install netfilter-persistent package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.