Author: Rahul

Information technology (IT) is the process and practice of creating, managing and using information resources in order to solve problems or make decisions. In other words, it’s the study and use of technology to manage information. This can include everything from handling digital information on a computer to controlling physical processes like manufacturing. Information technology is one of the most important aspects of our lives today. It encompasses all the ways we gather, process, and use information. From smartphones to laptops, information technology is everywhere. IT refers to the use of computers and telecommunications equipment to store, process, and transmit…

Welcome to our comprehensive guide on setting up Selenium with Python and Chrome Driver on Ubuntu. Selenium is a powerful tool for automating web browsers, and Python makes it easy to write scripts. In this guide, we’ll walk you through each step, from installing the necessary software to running your first automated test. Whether you’re new to programming or just new to Selenium, this guide is designed for beginners. By the end, you’ll have a working setup ready to automate your web tasks. Let’s get started on this exciting journey into web automation! In this blog post, you will learn…

The Problem Today, I have installed MySQL 5.7 on a CentOS 7 Linux system. I used the MySQL official yum repository for the installation. During the installation, I faced the following error message on the screen and the installation failed. Downloading packages: warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-client-5.7.38-1.el7.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 3a79bd29: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql The GPG keys listed for the “MySQL 5.7 Community Server” repository are already installed but they are not correct for this package. Check that the correct key URLs are configured for this repository. Failing package is: mysql-community-client-5.7.38-1.el7.x86_64 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql The…

Selenium is a versatile tool, which is widely used for automating browser-based tests. It can be used to automate tests for web applications and web services. Selenium supports a number of programming languages, including Java, C#, Python, and Ruby. This makes it possible to write tests in the language that you are most comfortable with. In addition, Selenium has a large user community that provides support and help when needed. This tutorial will help you to configure the environment for Selenium with Python and Chrome on Fedora. We will discuss an example written in Python. Prerequisites Assuming you have access…

If you’re looking for a way to enhance the security and performance of your Debian server, setting up a Squid proxy server may be a great option for you. Squid is a widely used open-source proxy server that provides various features like caching, filtering, and authentication. In this article, we’ll discuss the best practices and tips for setting up a Squid proxy server on Ubuntu and Debian-based systems. Step 1: Installing Squid To begin, you need to install Squid on your Debian server. You can do this by running the following command in your terminal: sudo apt-get update sudo apt-get…

Internet Information Services (IIS) is a powerful web server that allows you to host and manage websites, web applications, and web services on Windows operating systems. One of the key components of IIS is the Application Pool, which serves as a container for one or more web applications. It provides isolation, better security, and improved performance for applications. Recycling an application pool is an essential maintenance task that can help maintain the stability and health of your IIS web applications. This article will guide you through the process of recycling an IIS Application Pool on Windows. What is Application Pool…

When developing ASP.NET applications, the framework compiles and stores temporary files to improve performance. Over time, these files may accumulate and take up a significant amount of storage space. Regularly clearing ASP.NET temporary files can help maintain your development environment and free up valuable disk space. This article provides a step-by-step guide on how to clear ASP.NET temporary files in Windows. Table of Contents Understanding ASP.NET Temporary Files Is it Safe to Remove ASP.NET Temporary Files Locating the Temporary Files Folder Manually Clearing Temporary Files Automating the Clearing Process Conclusion 1. Understanding ASP.NET Temporary Files ASP.NET temporary files are generated…

SFTP is a protocol that allows for the secure transfer of files over a network. It is often used by businesses and individuals to transfer sensitive data. SFTP is similar to FTP but uses a different protocol for communication. SFTP is more secure than FTP and is often used in conjunction with SSH (Secure Shell) to provide an even higher level of security. In this tutorial, we will help you to set up an SFTP server and create an SFTP-only user on Ubuntu 22.04 systems. That account can connect over SFTP but is not able to connect over SSH. Also,…

To install the latest version of Node.js on Ubuntu, follow a few simple steps. First, you’ll need to update your package list. Then, install Node.js from the official repository, which always provides the newest version. Node.js is a popular runtime environment that allows you to run JavaScript code outside a browser. It’s essential for developing modern web applications. You can also use the Node Version Manager (NVM) to install a specific version of Node.js on your system. Step 1: Configuring Node.Js PPA Node.js has two types of releases: LTS (Long Term Support) and the current release. Choose the version you…

We can use replace() method to replace any string or character with another in javascript. It searches for a defined string, character, or regular expression and replaces it. This method doesn’t change the original string but it returns the updated string as result. Syntax: string.replace(old_string, new_string) Replace String in JavaScript with Examples In this tutorial, we will discuss a few examples of replacing strings in Javascript. Let’s try some examples: Here is the first example to initialize a text in a variable, then replace it with another text.

Run the above example and see the results. Thanks to playcode.io…