How To Install openjdk-8-jre-zero on Ubuntu 20.04
Introduction
In this tutorial we learn how to install openjdk-8-jre-zero on Ubuntu 20.04.
What is openjdk-8-jre-zero
openjdk-8-jre-zero is:
The package provides an alternative runtime using the Zero VM and the Shark Just In Time Compiler (JIT). Built on architectures in addition to the Hotspot VM as a debugging aid for those architectures which don’t have a Hotspot VM.
The VM is started with the option `-zero’. See the README.Debian for details.
Package: openjdk-8-jre-zero Architecture: amd64 Version: 8u252-b09-1ubuntu1 Multi-Arch: same Priority: extra Section: universe/java Source: openjdk-8 Origin: Ubuntu Maintainer: OpenJDK Team [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 6541 Depends: openjdk-8-jre-headless (= 8u252-b09-1ubuntu1), libc6 (>= 2.29), libstdc++6 (>= 4.1.1) Filename: pool/universe/o/openjdk-8/openjdk-8-jre-zero_8u252-b09-1ubuntu1_amd64.deb Size: 1998700 MD5sum: 6703f7b8decb5cadf1451eaff32b0235 SHA1: ba9b49e375b3b1a611d7612afb65eaa86d79a64d SHA256: 8c54c8e1d69ee2ac0084fd83d8d187fb3c2840b47a67d677119b6d9221f6edc8 Homepage: http://openjdk.java.net/ Description-en: Alternative JVM for OpenJDK, using Zero/Shark The package provides an alternative runtime using the Zero VM and the Shark Just In Time Compiler (JIT). Built on architectures in addition to the Hotspot VM as a debugging aid for those architectures which don’t have a Hotspot VM.
The VM is started with the option `-zero’. See the README.Debian for details.
There are three methods to install openjdk-8-jre-zero 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-8-jre-zero 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-8-jre-zero using apt-get by running the following command:
sudo apt-get -y install openjdk-8-jre-zero
Install openjdk-8-jre-zero Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install openjdk-8-jre-zero using apt by running the following command:
sudo apt -y install openjdk-8-jre-zero
Install openjdk-8-jre-zero 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-8-jre-zero using aptitude by running the following command:
sudo aptitude -y install openjdk-8-jre-zero
How To Uninstall openjdk-8-jre-zero on Ubuntu 20.04
To uninstall only the openjdk-8-jre-zero package we can use the following command:
sudo apt-get remove openjdk-8-jre-zero
Uninstall openjdk-8-jre-zero And Its Dependencies
To uninstall openjdk-8-jre-zero and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove openjdk-8-jre-zero
Remove openjdk-8-jre-zero Configurations and Data
To remove openjdk-8-jre-zero configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge openjdk-8-jre-zero
Remove openjdk-8-jre-zero configuration, data, and all of its dependencies
We can use the following command to remove openjdk-8-jre-zero configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge openjdk-8-jre-zero
References
Summary
In this tutorial we learn how to install openjdk-8-jre-zero package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.