Node.js is a powerful JavaScript runtime built on Chrome’s V8 engine, and NPM (Node Package Manager) is a package manager that comes with Node.js. They are essential tools for developing modern JavaScript applications. This guide will walk you through the process of installing and configuring Node.js and NPM on a Windows system. Step 1: Download […]
DNF (Dandified YUM) is the next-generation package manager for RPM-based Linux distributions. It replaces YUM in more recent versions of Fedora and RHEL/CentOS. However, in RHEL/CentOS 7, the default package manager is still YUM. If you want to use DNF on RHEL/CentOS 7, you can manually install it. This guide will show you how to […]
Node.js is a popular JavaScript runtime that enables you to run server-side JavaScript. PM2 is a process manager for Node.js that helps manage your applications, ensuring they run smoothly, automatically restart upon crashes, and allow for easy management of multiple apps. This guide will walk you through installing Node.js and PM2 on an Ubuntu system. […]
Introduction When using VMware to run virtual machines (VMs), one of the common tasks is sharing files between the host operating system (OS) and the guest OS running inside the virtual machine. VMware allows you to create a shared folder that acts as a bridge between the host and the guest, making it easier to […]
When building APIs with Laravel, ensuring secure authentication is crucial, especially when dealing with user data. JSON Web Tokens (JWT) offer a robust method for handling authentication in stateless applications, allowing secure transmission of user information between parties. This guide will walk you through the process of building a secure Laravel API using JWT authentication. […]
A .tar.gz file is a compressed archive that combines two types of files: a .tar file (Tape Archive) and a .gz (gzip) compressed file. It is commonly used for packaging multiple files into a single archive and compressing them to save space. Extracting .tar.gz files is a common task in Linux, and this guide will […]
LILO (Linux Loader) is a boot loader for Linux and other Unix-like operating systems. It was one of the first boot loaders used for Linux, primarily during the 1990s and early 2000s, before being largely replaced by more modern alternatives like GRUB (GRand Unified Bootloader). LILO’s main function is to load the Linux kernel into […]
Vi and Vim (Vi Improved) are powerful text editors that come pre-installed on many Unix-based systems, including Ubuntu. Vim is an enhanced version of Vi, offering additional features such as syntax highlighting, better navigation, and more advanced functionality. If you’re working with Ubuntu and need to use Vi or Vim, this guide will help you […]
The NET::ERR_CERT_AUTHORITY_INVALID error is a common issue encountered in web browsers like Google Chrome, Firefox, and Edge. This error indicates that the SSL certificate being used by the website is not trusted by the browser, which could be due to various reasons, such as a self-signed certificate, an expired certificate, or a misconfigured certificate authority […]
Docker is a powerful tool that enables developers to build, test, and deploy applications quickly inside lightweight, portable containers. This guide will walk you through the process of installing Docker on an Ubuntu system and provide some basic commands to get you started. Prerequisites Ubuntu version: This guide works for Ubuntu 20.04, 22.04, or newer. […]