How To Install ca-certificates-java on Ubuntu 20.04

In this tutorial we learn how to install ca-certificates-java on Ubuntu 20.04. ca-certificates-java is Common CA certificates (JKS keystore)

Introduction

In this tutorial we learn how to install ca-certificates-java on Ubuntu 20.04.

What is ca-certificates-java

ca-certificates-java is:

This package uses the hooks of the ca-certificates package to update the cacerts JKS keystore used for many java runtimes.

There are three methods to install ca-certificates-java 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 ca-certificates-java Using apt-get

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

sudo apt-get update

After updating apt database, We can install ca-certificates-java using apt-get by running the following command:

sudo apt-get -y install ca-certificates-java

Install ca-certificates-java Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ca-certificates-java using apt by running the following command:

sudo apt -y install ca-certificates-java

Install ca-certificates-java 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 ca-certificates-java using aptitude by running the following command:

sudo aptitude -y install ca-certificates-java

How To Uninstall ca-certificates-java on Ubuntu 20.04

To uninstall only the ca-certificates-java package we can use the following command:

sudo apt-get remove ca-certificates-java

Uninstall ca-certificates-java And Its Dependencies

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

sudo apt-get -y autoremove ca-certificates-java

Remove ca-certificates-java Configurations and Data

To remove ca-certificates-java configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge ca-certificates-java

Remove ca-certificates-java configuration, data, and all of its dependencies

We can use the following command to remove ca-certificates-java configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ca-certificates-java

References

Summary

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