n8n
n8n is a powerful, free, and self-hosted workflow automation tool that simplifies and automates tasks across various applications and services. It allows users to create complex workflows without needing extensive coding knowledge. Prerequisites: Before starting, ensure Docker and Docker Compose are installed and running on your Ubuntu system. * 👉 Learn how
Linux
Step 1: Install PostgreSQL Follow the steps below to install PostgreSQL on your Ubuntu system. * Add PostgreSQL Repository: First, update the package index and install the necessary packages: sudo apt update sudo apt install gnupg2 wget Second, add the PostgreSQL repository: sudo sh -c 'echo "deb http://apt.
GitHub
Git is an indispensable version control tool that streamlines collaboration and code management for developers. While graphical user interface (GUI) tools can simplify some tasks, mastering the Git command line unlocks deeper control, flexibility, and speed. Here are 20 Git command-line tricks that every developer should know to enhance their
Linux
Use the following command to view total disk space availability and usage: df -h --total Use the following command to view the size of a specific folder: du -sh <folder_name> Use the following command to list the sizes of all subfolders and ordered by size: du -hs
Linux
In this guide, I will walk through setting up SSH and XRDP on Kali Linux to allow for secure remote access from another machine. I'll cover updating your system, ensuring SSH service is running, installing and configuring XRDP for graphical remote access, and enabling access for Windows users.
Javascript
In JavaScript, there are three primary ways to create a function: Function Declaration, Function Expression, and Arrow Function. 1. Function Declaration: Example Code: function sayHello() { console.log("Hello, World!"); } Characteristics: One of the major features of function declarations are hoisted to the top of their scope. Which mean,
Javascript
To add a new property: There are four ways to add a new property to an object in JavaScript: 1. Using Dot notation: const obj = {name: "daviblog", age: 29 }; obj.job = "Programmer"; // obj = {name: "daviblog", age: 29, job: "Programmer"} 2. Using Bracket
Javascript
Data types in JavaScript var years = 3; // number var name = 'Codecrumbs'; // string var name = { first: "string A", last: "string B" }; // object var isValid = false; // boolean var arrayA = ['apple', true, 2]; // array var b; typeof b; // undefined var b = null; // value null String
Networking
It can be frustrating when you encounter the "DNS_PROBE_FINISHED_NXDOMAIN" error in Google Chrome, especially if you can still access websites using other browsers like Microsoft Edge or Firefox. This error generally indicates a problem with the DNS (Domain Name System) lookup, which prevents Chrome from
GitHub
Continuous Integration and Continuous Deployment (CI/CD) are essential practices for modern software development. By setting up GitHub Actions to automate your CI/CD pipeline, you can ensure that your code is tested and deployed efficiently. This guide will walk you through setting up GitHub Actions for deploying a Next.
Programing
To run a docker container you can simply use the command: docker run <image name> However, by using docker-compose, you can defining and running multi-container Docker applications. It uses a YAML file to configure your application's services, networks, and volumes. Docker Compose relies on Docker to
Programing
Node.js is a powerful JavaScript runtime that's essential for modern web development. However, using sudo apt-get install nodejs might not install the latest Node.js version. In this guide, we'll walk you through the steps to easily install the most recent Node.js release on