How To Install iptables-persistent on Ubuntu 18.04
Introduction
In this tutorial we learn how to install iptables-persistent on Ubuntu 18.04.
What is iptables-persistent
iptables-persistent is:
netfilter-persistent is a loader for netfilter configuration using a plugin-based architecture.
This package contains the iptables and ip6tables plugins.
There are three methods to install iptables-persistent 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 iptables-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 iptables-persistent using apt-get by running the following command:
sudo apt-get -y install iptables-persistent
Install iptables-persistent Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install iptables-persistent using apt by running the following command:
sudo apt -y install iptables-persistent
Install iptables-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 iptables-persistent using aptitude by running the following command:
sudo aptitude -y install iptables-persistent
How To Uninstall iptables-persistent on Ubuntu 18.04
To uninstall only the iptables-persistent package we can use the following command:
sudo apt-get remove iptables-persistent
Uninstall iptables-persistent And Its Dependencies
To uninstall iptables-persistent and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove iptables-persistent
Remove iptables-persistent Configurations and Data
To remove iptables-persistent configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge iptables-persistent
Remove iptables-persistent configuration, data, and all of its dependencies
We can use the following command to remove iptables-persistent configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge iptables-persistent
References
Summary
In this tutorial we learn how to install iptables-persistent package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
