How To Install default-jre on Ubuntu 20.04
Introduction
In this tutorial we learn how to install default-jre
on Ubuntu 20.04.
What is default-jre
default-jre is:
This dependency package points to the Java runtime, or Java compatible runtime recommended for this architecture, which is openjdk-11-jre for amd64. Cnf-Extra-Commands: java,jexec
There are three methods to install default-jre
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 default-jre Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install default-jre
using apt-get
by running the following command:
sudo apt-get -y install default-jre
Install default-jre Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install default-jre
using apt
by running the following command:
sudo apt -y install default-jre
Install default-jre 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 default-jre
using aptitude
by running the following command:
sudo aptitude -y install default-jre
How To Uninstall default-jre on Ubuntu 20.04
To uninstall only the default-jre
package we can use the following command:
sudo apt-get remove default-jre
Uninstall default-jre And Its Dependencies
To uninstall default-jre
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove default-jre
Remove default-jre Configurations and Data
To remove default-jre
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge default-jre
Remove default-jre configuration, data, and all of its dependencies
We can use the following command to remove default-jre
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge default-jre
References
Summary
In this tutorial we learn how to install default-jre
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.