Linux commands: sudo

A quick guide to the `sudo` command, used to run a command as another user

Linux commands: su

A quick guide to the `su` command, used to switch the shell to another user

Linux commands: clear

A quick guide to the `clear` command, used to clear the screen of the terminal.

Linux commands: who

A quick guide to the `who` command, used to show the users logged to the system

Linux commands: whoami

A quick guide to the `whoami` command, used to print the current user name

Linux commands: which

A quick guide to the `which` command, used to show where the command is stored

Linux commands: type

A quick guide to the `type` command, used to determine the _kind_ of a command

Linux commands: fg

A quick guide to the `fg` command, used to put a job that's running in the background to the foreground

Linux commands: bg

A quick guide to the `bg` command, used to resume a job that's been suspended

Linux commands: jobs

A quick guide to the `jobs` command, used to list the status of the jobs we started

Linux commands: alias

A quick guide to the `alias` command, used to create a shortcut to another command

Linux commands: killall

A quick guide to the `killall` command, used to send signals to multiple processes currently running

Linux commands: kill

A quick guide to the `kill` command, used to send a signal to a process currently running

Linux commands: top

A quick guide to the `top` command, used to list the processes running in real time

Linux commands: echo

A quick guide to the `echo` command, used to print the argument passed to it

Linux commands: ps

A quick guide to the `ps` command, used to list the processes currently running in the system

Linux commands: ln

A quick guide to the `ln` command, used to create links in the filesystem

Linux commands: find

A quick guide to the find command, used to find files and folders on the filesystem

Linux commands: cat

A quick guide to the cat command, used to add content to a file

Linux commands: touch

A quick guide to the touch command, used to create an empty file

Linux commands: tail

A quick guide to the tail command, used to watch files for changes

Linux commands: less

A quick guide to the less command, used to show the content of a file

Linux commands: cp

A quick guide to the cp command, used to move files and folders

Linux commands: mv

A quick guide to the mv command, used to move files and folders

Linux commands: ls

A quick guide to the ls command, used to list the files in a folder

Linux commands: rmdir

A quick guide to the rmdir command, used to remove a folder

Linux commands: pwd

A quick guide to the pwd command, used to check the current working directory

Linux commands: cd

A quick guide to the cd command, used to change folder

Linux commands: mkdir

A quick guide to the mkdir command, used to create folders

How to test for an empty object in JavaScript

How to set up hot reload on Electron

How to change a Next.js app port

Learn how to change the port that Next.js runs on in development mode

How to create your first VPS on DigitalOcean

A complete guide from zero to having a DigitalOcean VPS

How to get the index of an item in a JavaScript array

Here is how to retrieve the index of an item in a JS array based on its value

What is a reverse proxy?

Find out what is a reverse proxy and what is it useful for!

How to solve the `util.pump is not a function` error in Node.js

Find out how to solve the `util.pump is not a function` error that might happen when trying to run old Node code

Serve an HTML page using Node.js

Find out how to serve an `index.html` HTML page using Node.js with no dependencies

Gatsby, fix the "cannot find module gatsby-cli/lib/reporter" error

How I fixed a weird Error: Cannot find module gatsby-cli/lib/reporter error I got while creating a Gatsby site

How to find the command that is using a port

A simple nginx reverse proxy for serving multiple Node.js apps from subfolders

How to configure Nginx for HTTPS

How to set up HTTPS on your Web Server using Let's Encrypt

How to add an item at the beginning of an array in JavaScript

How I fixed a "cb.apply is not a function" error while using Gitbook

How to swap two array elements in JavaScript

How to configure HTTPS in a React app on localhost

How to simulate a for loop in Svelte templates

How to redirect to a URL in Sapper

How to dynamically apply CSS in Svelte

How to access a URL parameter in Sapper outside of script module

How to generate a local SSL certificate

How to install a local SSL certificate in macOS

How to use Sequelize to interact with PostgreSQL

Redis Publish/subscribe

How to use Redis Hashes

How to use Redis Sorted Lists

Using Redis Sets

Redis Lists

First steps with Redis

How to install Redis

Introduction to Redis

How to handle promise rejections

Introduction to Linux

Updating a deployed container based on a Docker image

How to commit changes to a Docker image

How to access files outside a Docker container

Sharing Docker Images on Docker Hub

Working with Docker Images from the command line

Working with Docker Containers from the command line

What to do if a Docker container immediately exits

Create a simple Node.js Hello World Docker Container from scratch

The difference between Frontend and Backend Web Development

Using Docker Desktop to manage a Container

First steps with Docker after the installation

Installing Docker on macOS

Dockerfiles

What is a Dockerfile and how to use it

Introduction to Docker Containers

Introduction to Docker Images

Introduction to Docker

The Command Line for Complete Beginners

Introduction to using command line if you're a complete beginner

How to use Google Fonts

Chaining method calls in JavaScript

A curious usage of commas in JavaScript

Namespaces in JavaScript

How to reset a form

Custom errors in JavaScript

Custom events in JavaScript

Are values passed by reference or by value in JavaScript?

Introduction to XState

An overview the XState Finite State Machines JavaScript Library

The JavaScript super keyword

Event delegation in the browser using vanilla JavaScript

JavaScript Proxy Objects

How to accept unlimited parameters in a JavaScript function

How is it possible to have a function that accepts an unlimited number of parameters?

How to check if a value is a number in JavaScript

How is it possible to determine if a variable value is a number?

How to reverse a JavaScript array

The importance of timing when working with the DOM

How to change commas into dots with JavaScript

How to remove empty lines in VS Code

What is hoisting in JavaScript?

A brief explanation to what hoisting means in the JavaScript programming language

What is object destructuring in JavaScript?

What does "object destructuring" mean and what is the result of a destructuring operation?

The JavaScript for..of loop