How To Install php-cas on Ubuntu 20.04

In this tutorial we learn how to install php-cas on Ubuntu 20.04. php-cas is Central Authentication Service client library in php

Introduction

In this tutorial we learn how to install php-cas on Ubuntu 20.04.

What is php-cas

php-cas is:

phpCAS is an authentication library that allows PHP applications to easily authenticate users via a Central Authentication Service (CAS) server.

Please see the phpCAS website for more information:

https://wiki.jasig.org/display/CASC/phpCAS

There are three methods to install php-cas 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 php-cas Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install php-cas using apt-get by running the following command:

sudo apt-get -y install php-cas

Install php-cas Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install php-cas using apt by running the following command:

sudo apt -y install php-cas

Install php-cas 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 php-cas using aptitude by running the following command:

sudo aptitude -y install php-cas

How To Uninstall php-cas on Ubuntu 20.04

To uninstall only the php-cas package we can use the following command:

sudo apt-get remove php-cas

Uninstall php-cas And Its Dependencies

To uninstall php-cas and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove php-cas

Remove php-cas Configurations and Data

To remove php-cas configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge php-cas

Remove php-cas configuration, data, and all of its dependencies

We can use the following command to remove php-cas configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge php-cas

References

Summary

In this tutorial we learn how to install php-cas package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.