How to Install Node.js via NVM on Ubuntu 18.04

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What is Node.js?

Node.js_logo

Node.js is an open-source javascript runtime environment. It is memory efficient and is intentionally asynchronous. It is deployable on multiple platforms, including Windows, Mac OS X, and Linux, and is suited for rapid development. It’s event-driven architecture make it highly scalable and useful for intensive data-driven applications.

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How to Add or Remove a PPA in Ubuntu 18.04

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What is a PPA?

A PPA (or Personal Package Archive) is a software repository provided by members of the Ubuntu Linux community. Software contained in a PPA can be downloaded and installed via apt, Ubuntu’s defacto package management system.

Typically, PPA’s will contain new or updated software to existing packages that may not be available from the official Ubuntu package repositories. This allows users to have more granular control over when specific software packages are updated on their systems. It is important to be discerning when utilizing PPA’s and to only add a PPA from a trusted source.

The best reason for adding software via a PPA, is the server will get automatic updates to the installed software when updates are run.

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How to Install Jitsi Meet on Ubuntu 18

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What is Jitsi?

Jitsi is a set of open-source projects that allow you to create a secure video conferencing system for your team. It has features such as superior sound quality, excellent encryption and privacy, multi-platform and much more. The Jitsi client can work both in the application and in the web browser. You can broadcast your desktop as well as individual windows, and invite users using URL-link. We will be installing Jitsi on Ubuntu 18.04 server. We will install additional components such as Java’s OpenJdk, Nginx to correctly install, configure and use it. Let’s talk a bit about the components.

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How to Set Up and Manage Sudo Permissions

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What Is Sudo?

sudo-sudoers

credit to: XKCD

Sudo is a Linux program meant to allow a user to use root privileges for a limited timeframe to users and log root activity.  The basic thought is to give as few privileges as possible to a user while allowing  the user to accomplish a task. The term “Sudo” means substitute user, and do. It is a program used for managing of user permission based on a system configuration file. It allows users to run programs with the privileges of another user, by default, the superuser. The program is supplied for most UNIX and Linux-based operating systems.

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How To Add a User and Grant Root Privileges on Ubuntu 18.04

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Adding a user and granting that user root privileges is one of the many tasks of a system admin.  Once a user has been added and granted root privileges they’ll be able to login to your Ubuntu VPS and perform vital functions for the upkeep of the system. Afterward, they’ll be able to use sudo before commands to perform elevated tasks.  In this quick tutorial, we’ll show you how to add a new user and grant root permissions.

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How to Add a User and Grant Root Privileges on Ubuntu 16.04

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Ubuntu 16.04 LTS provides you the ability to add a user for anyone who plans on accessing your server.  Creating a user is a basic setup but an important and critical one for your server security. In this tutorial, we will create a user and grant administrative access, known as root, to your trusted user.

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How to Install Java on Ubuntu, Windows, and MacOS

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What is Java?

Java is considered one of the most popular programming languages. Java is a typed object-oriented programming language developed by Sun Microsystems (and subsequently acquired by Oracle). Development is mainly performed by a community organized through the Java Community Process. The language and the main technologies that implements it are distributed under the GPL but the trademark rights are owned by Oracle Corporation. Code written in Java (using the JVM – Java Virtual Machine) is transformed into bytecode and due to this, programs can run on any system where the JVM is installed. Therefore, Java is often called a cross-platform language. Most often, Java is used to develop backend programs and android applications.

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Creating a Virtual Environment for Python on Ubuntu 16.04

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What Is Virtualenv?

Virtualenv is a tool that creates an isolated environment separate from other projects. In this instance, we will be installing different Python versions, including their dependencies.  Creating a virtual environment allows us to work on a Python project without affecting other projects that also use Python. It will utilize Python’s core files on the global environment to run, thus saving you disk space while providing the freedom to use different Python versions for separate apps or projects.

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How to Install Pip on Ubuntu 16.04 LTS

Reading Time: 2 minutesArguably one of the easiest tools to use for installing and managing Python packages, Pip has earned its notoriety by the number of applications utilizing this tool. Fancied for its capabilities in handling binary packages over the easy_installed packages manager, Pip enables 3rd party package installations. Though Python does sometimes come with Pip as a default, this tutorial will show how to install, check its version as well as some basic commands for using Pip on Ubuntu 16.04.

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How to Install Libreoffice on Ubuntu 16.04

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If you are looking to collaborate with your coworkers or employees and create and share documents on your Ubuntu VPS server without taking up space on your local computer system, LibreOffice is the perfect tool for you. Formerly known as OpenOffice (based on StarOffice) this tool has evolved largely from the vast community of developers that contribute to its success daily. This powerful tool is currently in use by millions around the world as a free and open-source alternative to the Microsoft Office Suite of tools.

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