Installing openjdk-8-jre-headless on Ubuntu 17.04 LTS

Quick installation of openjdk-8-jre-headless:

Step 1: Update system:

sudo apt-get update

Step 2: Install: openjdk-8-jre-headless

Ater updaing the OS run following command to install the packae:

sudo apt-get install openjdk-8-jre-headless

How to install openjdk-8-jre-headless on Ubuntu 17.04?

First of all update your system with the command:

sudo apt-get update

Above command will download the package lists for Ubuntu 17.04 on your system. This will update the list of newest versions of packages and its dependencies on your system.

After downloading the latest package list with the help of above you can run the installation process.

If openjdk-8-jre-headless is not installed on your compter then the command 'dpkg -L openjdk-8-jre-headless' will give followin error.

deepak@deepak-VirtualBox:~$ dpkg -L openjdk-8-jre-headless
dpkg-query: package 'openjdk-8-jre-headless' is not installed
Use dpkg --info (= dpkg-deb --info) to examine archive files,
and dpkg --contents (= dpkg-deb --contents) to list their contents.
deepak@deepak-VirtualBox:~$ 

Installing openjdk-8-jre-headless:

After system update use the following command to install openjdk-8-jre-headless:

sudo apt-get install openjdk-8-jre-headless

Above command will confirm before installing the package on your Ubuntu 17.04 Operating System. If you are not already logged in as su, installer will ask you the root password. After completion of the installation you can use the package on your system.

How to uninstall/remove openjdk-8-jre-headless from Ubuntu 17.04?

Now we will see the commands for uninstalling the openjdk-8-jre-headless from Ubuntu 17.04. For uninstalling this package you can easily use the apt command and remove the package from Linux Operating System.

To remove the openjdk-8-jre-headless following command is used:

sudo apt-get remove  openjdk-8-jre-headless

Following command is used to remove the openjdk-8-jre-headless package along with its dependencies:

sudo apt-get remove --auto-remove openjdk-8-jre-headless

This will remove openjdk-8-jre-headless and all its dependent packages which is no longer needed in the system.

Completely removing openjdk-8-jre-headless with all configuration files:

Following command should be used with care as it deletes all the configuration files and data:

sudo apt-get purge openjdk-8-jre-headless

or you can use following command also:

sudo apt-get purge --auto-remove openjdk-8-jre-headless

Above command will remove all the configuration files and data associated with openjdk-8-jre-headless package. You can can't recover the delete data, so, use this command with care.