Author: Rahul

Python is a high-level, interpreted, interactive, and object-oriented scripting language that is widely used across a variety of fields such as data analysis, artificial intelligence, web development, and more. The beauty of Python lies in its simplicity and the extensive library support it provides, allowing developers to create feature-rich applications with fewer lines of code. In this article, we will explore one such practical application of Python – checking the size of a file. Why Check the File Size? Before we dive into the code, let’s first understand why we might need to check the size of a file. File…

MongoDB is a popular open-source, document-oriented NoSQL database that provides high performance, scalability, and flexibility. It is widely used in modern web applications due to its ability to store and manage large volumes of unstructured data. MongoDB can be installed on various operating systems, including Ubuntu 22.04. In this tutorial, we will walk through the steps to install and secure MongoDB on Ubuntu 22.04. We will cover the installation process for both the Community and Enterprise editions of MongoDB. Additionally, we will go through the process of securing MongoDB with authentication, SSL/TLS encryption, and firewall rules. In this article, we…

Apache and PHP-FPM are both widely used in web development to serve dynamic content. While Apache is the most popular web server used today, PHP-FPM is a FastCGI process manager that provides a faster and more efficient way to process PHP requests. Combining the two can significantly improve the performance of a website. In this article, we will provide a step-by-step guide on how to install Apache with PHP-FPM on Ubuntu 22.04. Step 1: Update your system Before installing any new software, you should update your system to ensure that all packages are up to date. You can do this…

Nano is a popular open-source command-line text editor that has been in development since 1999. It is designed to be simple and user-friendly, making it an ideal choice for users who are new to the world of Linux or command-line interfaces. Nano is available on a wide range of operating systems, including Linux, macOS, BSD, and even Windows. Nano’s user interface is designed to be intuitive and easy to use. It provides a simple command-line interface with a menu bar at the bottom of the screen, displaying a list of commands that can be accessed using keyboard shortcuts. The text…

Nano is a lightweight and user-friendly text editor that is widely used by programmers, system administrators, and other Linux users. One of the great features of Nano is its ability to be customized with the ~/.nanorc and /etc/nanorc files. In this article, we’ll explore how to use these configuration files to customize Nano and make it work more efficiently for your needs. The ~/.nanorc file The ~/.nanorc file is a user-specific configuration file that is used to customize Nano on a per-user basis. This file is located in your home directory and is used to store all of the custom…

Nano is a powerful text editor that is widely used on Unix-like operating systems, including Linux. Whether you are a developer, system administrator, or just a regular user, you may need to copy and paste text in Nano. In this article, we will show you how to copy and paste in Nano. Copying in Nano To copy the text in Nano, you need to follow these steps: Move the cursor to the beginning of the text you want to copy. Press the “Ctrl + 6” key at the same time. This will mark the beginning of your selection. Move the…

MySQL is a popular open-source relational database management system used by millions of developers worldwide. While it is essential to monitor running processes in MySQL, it is also important to terminate any processes that are no longer needed. In this article, we will provide a comprehensive guide on how to kill running processes in MySQL. Before killing a prociess you need find the Process ID (PID) of a running MySQL process. You can use the following command in the MySQL command-line client:

This command displays a list of all active MySQL connections and their associated process IDs. The PID…

Redis is an open-source, in-memory data structure store that is often used as a cache or database. It provides high performance, scalability, and support for a wide range of data structures. Installing and configuring Redis on Debian is a relatively straightforward process. In this tutorial, we will go through the steps required to install and configure Redis on Debian. We will cover how to install Redis, configure it for optimal performance and security, and test that it is working correctly. To get started, make sure that you have root access to your Debian server and that your system is up…

JavaScript arrays are a fundamental data structure used in web development. They allow developers to store and manipulate lists of data in a single variable. In this article, we will explore what arrays are, how to create them, and how to manipulate them in JavaScript. What is an Array? In JavaScript, an array is a variable that can hold multiple values. It is a list-like object that allows developers to store and access data in an ordered fashion. Arrays can hold any data type, including strings, numbers, and objects. Creating an Array In JavaScript, arrays are created using square brackets…

Setting up an SSH tunnel on Linux can be a useful way to protect your online privacy and security. An SSH tunnel encrypts your internet traffic and routes it through a secure tunnel to a remote server, making it virtually impossible for anyone to intercept or read your data. In this article, we’ll show you how to set up an SSH tunnel on Linux using the command line. What You’ll Need Before we get started, you’ll need a few things: A Linux computer Access to a remote server that supports SSH Basic SSH Command First, open a terminal window on…