How to setup Homebrew on Mac OS
Most of the Mac OS users install software via the Apple App store or download a .dmg file from the Internet and and copy the app into the Applications directory…
How to manage different Python Versions on Mac OS 11 Big Sur
Before you go on reading this article ensure that Homebrew is installed on your Mac. There are installation instructions on my blog digitaldocblog.com or you can just go to the…
Setup Ubuntu Linux ready for Node Apps
We have a new server in front of us and are now starting from the beginning with the preparation of the system to operate nodejs and node express applications. SSH…
A not so simple booking system for sports clubs (Version 1.0)
Some sport clubs offer trainings to their members and must ask for money to participate. At least that’s how it is with my son’s ice hockey club. This causes an…
Node.js series Part 4. Express Website with authentication and authorization in a Mac Production Environment
In a real production environment the app runs as a service in the background and this service is managed by a process manager. And the app should run behind a…
Node.js series Part 3. The Simple Express Blog App with MongoDB
In this Part 3 of my node.js series I rebuild the simple blog app from the last Part 2 so that a MongoDB database is used instead of a simple…
Node.js series Part 2. Create a Simple Blog App with Express.js
Chapter 1: Introduction In Part 1 of my node.js series we have learned how to easily build a web server with node.js on-board resources. Lastly we installed the Express.js module…
Node.js series Part 1. Create a Simple Web-Server with Node.js
In this part 1 of my node.js series I briefly explain the creation of a simple node.js web-server that respond to various http requests. I explain the basics of Node.js…
Mongodb and Mongoose on Ubuntu Linux
In this article I will show you how to install mongodb on a Ubuntu Linux System. For this I use the step by step installation guide from mongodb. Since the…
Create a user in Ubuntu 18.04 Linux
A user can be created in ubuntu Linux with the command useradd or adduser. I use adduser because with this perl script, in addition to creating the user in /etc/passwd…