How To Install libpam-shield on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libpam-shield on Ubuntu 18.04.
What is libpam-shield
libpam-shield is:
In certain situations it is not possible to use host based authentication and here pam-shield comes in use.
It locks out brute-force password crackers using null-route or iptables rules.
There are three methods to install libpam-shield 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 libpam-shield Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libpam-shield using apt-get by running the following command:
sudo apt-get -y install libpam-shield
Install libpam-shield Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libpam-shield using apt by running the following command:
sudo apt -y install libpam-shield
Install libpam-shield 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 libpam-shield using aptitude by running the following command:
sudo aptitude -y install libpam-shield
How To Uninstall libpam-shield on Ubuntu 18.04
To uninstall only the libpam-shield package we can use the following command:
sudo apt-get remove libpam-shield
Uninstall libpam-shield And Its Dependencies
To uninstall libpam-shield and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libpam-shield
Remove libpam-shield Configurations and Data
To remove libpam-shield configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libpam-shield
Remove libpam-shield configuration, data, and all of its dependencies
We can use the following command to remove libpam-shield configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libpam-shield
References
Summary
In this tutorial we learn how to install libpam-shield package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
