How To Install default-jdk-headless on Debian 9
Introduction
In this tutorial we learn how to install default-jdk-headless on Debian 9.
What is default-jdk-headless
default-jdk-headless is:
This dependency package points to the Java runtime, or Java compatible development kit recommended for this architecture, which is openjdk-8-jdk-headless for amd64.
The package is used as dependency for packages not needing a graphical display during runtime.
There are three methods to install default-jdk-headless on Debian 9. 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-jdk-headless 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-jdk-headless using apt-get by running the following command:
sudo apt-get -y install default-jdk-headless
Install default-jdk-headless Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install default-jdk-headless using apt by running the following command:
sudo apt -y install default-jdk-headless
Install default-jdk-headless 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install default-jdk-headless using aptitude by running the following command:
sudo aptitude -y install default-jdk-headless
How To Uninstall default-jdk-headless on Debian 9
To uninstall only the default-jdk-headless package we can use the following command:
sudo apt-get remove default-jdk-headless
Uninstall default-jdk-headless And Its Dependencies
To uninstall default-jdk-headless and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove default-jdk-headless
Remove default-jdk-headless Configurations and Data
To remove default-jdk-headless configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge default-jdk-headless
Remove default-jdk-headless configuration, data, and all of its dependencies
We can use the following command to remove default-jdk-headless configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge default-jdk-headless
Dependencies
default-jdk-headless have the following dependencies:
References
Summary
In this tutorial we learn how to install default-jdk-headless package on Debian 9 using different package management tools: apt, apt-get and aptitude.