How To Install libsepol1 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libsepol1 on Ubuntu 18.04.
What is libsepol1
libsepol1 is:
Security-enhanced Linux is a patch of the Linux kernel and a number of utilities with enhanced security functionality designed to add mandatory access controls to Linux. The Security-enhanced Linux kernel contains new architectural components originally developed to improve the security of the Flask operating system. These architectural components provide general support for the enforcement of many kinds of mandatory access control policies, including those based on the concepts of Type Enforcement®, Role-based Access Control, and Multi-level Security.
libsepol provides an API for the manipulation of SELinux binary policies. It is used by checkpolicy (the policy compiler) and similar tools, as well as by programs like load_policy that need to perform specific transformations on binary policies such as customizing policy boolean settings.
There are three methods to install libsepol1 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 libsepol1 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libsepol1 using apt-get by running the following command:
sudo apt-get -y install libsepol1
Install libsepol1 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libsepol1 using apt by running the following command:
sudo apt -y install libsepol1
Install libsepol1 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 libsepol1 using aptitude by running the following command:
sudo aptitude -y install libsepol1
How To Uninstall libsepol1 on Ubuntu 18.04
To uninstall only the libsepol1 package we can use the following command:
sudo apt-get remove libsepol1
Uninstall libsepol1 And Its Dependencies
To uninstall libsepol1 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libsepol1
Remove libsepol1 Configurations and Data
To remove libsepol1 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libsepol1
Remove libsepol1 configuration, data, and all of its dependencies
We can use the following command to remove libsepol1 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libsepol1
References
Summary
In this tutorial we learn how to install libsepol1 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
