Author: Rahul

Sharing your terminal can be useful in many situations, like when you need help with a problem or want to show someone how to do something. One easy way to do this on Linux is by using a tool called tmate. In this tutorial, I will guide you through the process of installing and using tmate to share your terminal in a few simple steps. Sharing Linux Terminal using Tmate tmate is a fork of tmux, a terminal multiplexer. It allows you to create multiple terminal sessions inside a single window and switch between them easily. tmate adds the ability…

Website security is very important for website owners and developers. One of the best ways to keep your website safe from unauthorized access is by using .htaccess files. These files, used by the Apache web server, let you set access rules for your website. In this guide, we will explain different ways to restrict access to your website using .htaccess. This includes restricting access by IP address, password protection, and more. 1. What is .htaccess? .htaccess (short for “hypertext access”) is a configuration file used by Apache web servers to manage settings for a specific directory. These settings can include…

In this guide, we’ll walk you through the process of setting up key-based SSH authentication to enhance the security of your server connections. By the end of this article, you’ll have a solid understanding of what SSH keys are, why they’re important, and how to use them effectively. What is SSH? SSH, or Secure Shell, is a protocol used to securely connect to remote servers and devices. It’s commonly used by system administrators to manage servers and by developers to access code repositories. SSH ensures that all data transmitted over the network is encrypted, making it difficult for unauthorized parties…

NGINX is a popular web server known for its speed and reliability, used by many top websites. It handles lots of connections efficiently, making it a great choice for busy websites. To run websites with PHP, you need to set up PHP-FPM. NGINX works with PHP-FPM to process PHP files and display them to users, helping websites load faster and handle more traffic. This tutorial will help you install and configure NGINX and PHP-FPM on Ubuntu 24.04 systems. It also covers creating virtual hosts and securing them with Let’s Encrypt SSL. Setup NGINX with PHP-FPM on Ubuntu 24.04: Step-by-Step This…

VNC stands for “Virtual Network Computing” and is a system or set of protocols for sharing desktops. There are many software options available to access Linux-based desktops remotely, including TigerVNC, TightVNC, Vino, vnc4server, and more. TigerVNC is a free, open-source, high-performance VNC server used to control or access Linux-based desktops remotely. It is a client/server application that allows you to interact with graphical applications on remote machines. Read: How to Install Remote Desktop (XRDP) on Ubuntu In this tutorial, we will show you how to install and configure a VNC server on Ubuntu. Setting Up VNC Server on Ubuntu: Step-by-Step…

Python is a powerful and easy-to-learn programming language. One of its interesting features is the lambda function. In this guide, we will learn what lambda functions are, how to use them, and see some practical examples to understand them better. What is a Lambda Function? A lambda function in Python is a small, anonymous function. It is called “anonymous” because it does not have a name. It is also known as a “lambda expression”. Lambda functions are used for short, simple tasks, and are defined using the keyword lambda. Syntax of Lambda Functions The syntax of a lambda function is…

Magento 2 is a popular e-commerce platform. Developer Mode is a special mode that helps developers debug and test their websites. It shows detailed error messages and logs, making it easier to find and fix issues. Sometimes you may need to enable or disable Developer Mode in Magento 2. Here are two easy methods to do it. Method 1: Changing Mode via SSH/CLI This is the quick and suggest way to enable or disable developer mode on Magento2 application. Enable Developer Mode: Login to the system, where Magento 2 application is configured. Navigate to Your Magento 2 Directory: cd /path/to/your/magento2…

If you are using VirtualBox to manage virtual machines, you might encounter an error when trying to add a new virtual disk. One common error message you might see is: Failed to open the hard disk C:\path\to\your.vdi. Cannot register the hard disk ‘C:\path\to\your.vdi’ {9ad88130-26ce-45e1-b415-b1b3a42d749a} because a hard disk ‘C:\path\to\old.vdi’ with UUID {9ad88130-26ce-45e1-b415-b1b3a42d749a} already exists. This means that VirtualBox found another virtual disk with the same unique identifier (UUID) as the one you are trying to add. VirtualBox requires each disk to have a unique UUID. To fix this issue, you need to change the UUID of the new disk. In…

Configuring your system to allow certain commands to run without needing to enter a password can be very useful. This is especially true for frequent administrative tasks. This guide will show you how to set up the /etc/sudoers file to allow passwordless sudo access using the NOPASSWD directive. In this tutorial, We will also include an example to demonstrate how to restart the Apache service with and without NOPASSWD settings. Note: Be careful while making changes on production environment. Mistakes in this file can prevent you from using sudo, thereby locking you out of performing administrative tasks on the system.…

As of today, Laravel is the top choice for PHP developers to build APIs and web apps. When your app is ready to launch, the next step is to pick the right operating system, settings, and security options. Deploying a Laravel app to a live server can be a bit tricky, especially if you’re new to it. In this guide, we’ll show you each step, using Ubuntu as our server operating system. By the end of this tutorial, you’ll have your Laravel app running on a live server. We’ll cover everything from setting up your server to configuring Laravel for…