open source

How To Install Discourse on Ubuntu 20.04 — step-by-step Docker tutorial on Progressive Robot

How To Install Discourse on Ubuntu 20.04

Discourse is an open-source discussion platform. You can use Discourse as a mailing list, a discussion forum, or a long-form chat room. In this tutorial, you will install Discourse in an isolated environment using Docker on Ubuntu 20.04.

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Cómo instalar Git en Debian 9 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar Git en Debian 9

Los sistemas de control de versión de software le permiten controlar su software al nivel de la fuente. Con herramientas de control de versiones, puede realizar un seguimiento de los cambios, volver a etapas anteriores y producir ramificaciones para crear versiones…

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How To Install Jitsi Meet on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Jitsi Meet on Ubuntu 22.04

Jitsi Meet is an open-source video-conferencing application based on WebRTC. A Jitsi Meet server provides multi-person video conference rooms that you can access using with just your browser while providing comparable functionality to a Zoom or Skype conference call. In this tutorial, you will install and configure a Jitsi Meet server on Ubuntu 22.04, as well as configure Jitsi Meet so that only registered users can create new conference rooms.

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How To Optimize Docker Images for Production — step-by-step Docker tutorial on Progressive Robot

How To Optimize Docker Images for Production

In this guide, you will learn how to optimize Docker images in a few simple steps, making them smaller, faster, and better suited for production. You’ll build images for a sample Go API in several different Docker containers, starting with Ubuntu and language-specific images, then moving on to the Alpine Linux distribution. You will also use multi-stage builds to optimize your images for production.

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How To Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 18.04

A PostgreSQL database is a robust and flexible choice for your Ruby on Rails application. In this tutorial, you will set up a Ruby on Rails development environment connected to a PostgreSQL database on an Ubuntu 18.04 server. You will install and configure PostgreSQL, and then test your setup by creating a Rails application that uses PostgreSQL as its database server.

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