Big Data and Data Science - Tools installation (Linux)

I'd like to provide some effective directions regarding installations you may need to perform to try Big Data major tools.
The following gist is exclusively intended to Linux users.
I performed my installations on Ubuntu 18.04.2 LTS.
To check your OS version, execute $ lsb_release -a in your Terminal.

Installations

1. MongoDB - done
2. Neo4j - done
3. Apache Nifi - done
4. Apache Zeppelin- done
5. Talend - upcoming
6. Apache Cassandra - upcoming ...

Prerequisites

First, make sure Oracle jdk is installed. I recommend java 1.8.0
To uninstall effectively your current jdk, perform this:
$ sudo apt-get remove openjdk*
$ sudo apt-get remove --auto-remove openjdk*
$ sudo apt-get purge openjdk*
$ sudo apt-get purge --auto-remove openjdk*

To install java 1.8.0, Open Terminal Ctrl+Alt+T and run the command:
$ sudo add-apt-repository ppa:webupd8team/java // adds PPA repository
$ sudo apt-get update // updates package list
$ sudo apt-get install openjdk-8-jdk // installs openjdk


$ javac -version // shows your new java version

Author

• Isaac Arnault - Suggesting installations of major Big Data tools.