How To Install openjdk-11-jre-headless on Ubuntu 20.04

In this tutorial we learn how to install openjdk-11-jre-headless on Ubuntu 20.04. openjdk-11-jre-headless is OpenJDK Java runtime, using Hotspot JIT (headless) OpenJDK Java runtime, using Hotspot JIT (headless)

Introduction

In this tutorial we learn how to install openjdk-11-jre-headless on Ubuntu 20.04.

What is openjdk-11-jre-headless

openjdk-11-jre-headless is:

Minimal Java runtime - needed for executing non GUI Java programs, using Hotspot JIT.

Package: openjdk-11-jre-headless Architecture: amd64 Version: 11.0.7+10-3ubuntu1 Multi-Arch: same Priority: optional Section: java Source: openjdk-lts Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: OpenJDK Team [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 166556 Provides: java-runtime-headless, java10-runtime-headless, java11-runtime-headless, java2-runtime-headless, java5-runtime-headless, java6-runtime-headless, java7-runtime-headless, java8-runtime-headless, java9-runtime-headless Depends: ca-certificates-java (>= 20190405~), java-common (>= 0.28), libcups2, liblcms2-2 (>= 2.2+git20110628), libjpeg8 (>= 8c), libfontconfig1, libnss3 (>= 2:3.17.1), util-linux (>= 2.26.2-4), libasound2 (>= 1.0.16), libc6 (>= 2.29), libfreetype6 (>= 2.3.5), libgcc-s1 (>= 3.4), libpcsclite1 (>= 1.3.0), libstdc++6 (>= 4.1.1), libx11-6, libxext6, libxi6, libxrender1, libxtst6, zlib1g (>= 1:1.1.4) Suggests: libnss-mdns, fonts-dejavu-extra, fonts-ipafont-gothic, fonts-ipafont-mincho, fonts-wqy-microhei | fonts-wqy-zenhei, fonts-indic Conflicts: openjdk-11-jdk-headless (« 11~18-2), oracle-java11-installer Breaks: clojure1.8 (<= 1.8.0-7ubuntu1~) Replaces: openjdk-11-jdk-headless (« 11~18-2) Filename: pool/main/o/openjdk-lts/openjdk-11-jre-headless_11.0.7+10-3ubuntu1_amd64.deb Size: 37419600 MD5sum: d2e48f54890cc62185d0c40070867a1a SHA1: 7ed1204ca8982df3b802e63521210c608db79bf7 SHA256: 3db07006303cf1fe786f2e132aae3e19040bb2588c512c4c442ee9d6666bf041 Homepage: http://openjdk.java.net/ Description-en: OpenJDK Java runtime, using Hotspot JIT (headless) Minimal Java runtime - needed for executing non GUI Java programs, using Hotspot JIT.

There are three methods to install openjdk-11-jre-headless 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 openjdk-11-jre-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 openjdk-11-jre-headless using apt-get by running the following command:

sudo apt-get -y install openjdk-11-jre-headless

Install openjdk-11-jre-headless Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install openjdk-11-jre-headless using apt by running the following command:

sudo apt -y install openjdk-11-jre-headless

Install openjdk-11-jre-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 Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install openjdk-11-jre-headless using aptitude by running the following command:

sudo aptitude -y install openjdk-11-jre-headless

How To Uninstall openjdk-11-jre-headless on Ubuntu 20.04

To uninstall only the openjdk-11-jre-headless package we can use the following command:

sudo apt-get remove openjdk-11-jre-headless

Uninstall openjdk-11-jre-headless And Its Dependencies

To uninstall openjdk-11-jre-headless and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove openjdk-11-jre-headless

Remove openjdk-11-jre-headless Configurations and Data

To remove openjdk-11-jre-headless configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge openjdk-11-jre-headless

Remove openjdk-11-jre-headless configuration, data, and all of its dependencies

We can use the following command to remove openjdk-11-jre-headless configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge openjdk-11-jre-headless

References

Summary

In this tutorial we learn how to install openjdk-11-jre-headless package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.