Author: Rahul

I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..

In this comprehensive guide, we’ll walk you through the process of installing and configuring mod_wsgi, a popular Apache module used to host Python applications on a web server. Whether you’re deploying a Django, Flask, or Pyramid application, understanding how to set up mod_wsgi is crucial for a successful deployment. Follow these steps to ensure a smooth installation and configuration process. Prerequisites Before starting, ensure you have: A server with Apache installed. Access to the terminal or command line. Python installed on your server. Sudo or root privileges. Step 1: Install mod_wsgi The first step is to install mod_wsgi. The installation…

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Clang is a production-quality compiler for C, C++, and Objective-C languages. It is part of the LLVM project and is known for its excellent diagnostics (error and warning messages), including complete support for C++11, C++14, and some C++17 features. Clang is not only fast and memory-efficient but also offers a modular library-based architecture that makes it extremely versatile. In this guide, we’ll walk you through the process of installing Clang on Debian and Linux Mint systems. Prerequisites Before starting, make sure you have: A system running Debian or Linux Mint. Sudo privileges or access to the root account. Step-by-Step Installation…

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Deploying Next.js applications on Linux servers is a pivotal skill for developers aiming to leverage the full potential of server-side rendering and static site generation for their web applications. Next.js, a React framework, provides an efficient way to build highly performant web applications. When combined with the power and reliability of Linux servers, developers can achieve scalable, secure, and fast web applications. This guide will walk you through the steps necessary to deploy a Next.js application on a Linux server. Prerequisites Before diving into the deployment process, ensure you have the following prerequisites covered: A Next.js application ready for deployment.…

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When working with MySQL databases from Python applications, encountering errors related to authentication plugins can be a common hurdle. One such error that developers often face is: mysql.connector.errors.NotSupportedError: Authentication plugin ‘caching_sha2_password’ is not supported. This error occurs when the Python MySQL connector library does not support the default authentication plugin used by the MySQL server, typically caching_sha2_password, which is the default since MySQL 8.0. Understanding and resolving this issue is crucial for seamless database interactions. This article will guide you through understanding the cause of this error and various solutions to resolve it. Understanding the Error MySQL 8.0 introduced caching_sha2_password…

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Encountering a ModuleNotFoundError can be a frustrating experience when you’re eager to start a new project or run an existing one. This error typically occurs when Python can’t find a module you’ve attempted to import. If you’re working with images in Python, you might see the error ModuleNotFoundError: No module named ‘PIL’. This article will guide you through the steps to resolve this issue and get back to your project with minimal disruption. Understanding the Error The error “ModuleNotFoundError: No module named ‘PIL'” indicates that Python is unable to locate the PIL (Python Imaging Library) module, which is essential for…

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Bash, the Bourne Again SHell, is a powerful scripting language used extensively in the Unix and Linux worlds. It offers an extensive range of functionalities, from simple commands to complex scripts that automate large tasks. One of the key features of Bash scripting is conditional execution, where the if-else statement plays a crucial role. Traditionally, if-else statements in Bash scripts are written across multiple lines. However, for those looking to streamline their scripts or write more concise one-liners, mastering single-line if-else statements can be incredibly useful. Understanding If-Else in Bash The if-else statement is a control flow statement that allows…

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In the rapidly evolving landscape of web development, .NET Core stands out for its ability to create modern, cross-platform applications efficiently. A fundamental aspect of deploying these applications is the configuration of server settings, notably the default host and port. This comprehensive guide delves into various methods for customizing these settings, ensuring your .NET Core applications run exactly where and how you intend them to. Understanding the Basics .NET applications, by default, are configured to run on a predefined port and local IP address. While suitable for initial development stages, different scenarios in production may necessitate specific configurations for reasons…

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The command line interface (CLI) is a powerful tool for developers, allowing for efficient management of the entire lifecycle of a .NET Core application, from creation to deployment. This guide will provide a comprehensive walkthrough of using the .NET CLI for building, running, and deploying .NET Core applications, making it an essential resource for developers who prefer command line tools over integrated development environments (IDEs). Getting Started with .NET CLI Before diving into the .NET CLI, ensure you have .NET Core SDK installed on your system. The SDK includes the .NET CLI, necessary for creating, building, running, and deploying .NET…

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Elasticsearch is a powerful open-source search and analytics engine that allows you to store, search, and analyze large volumes of data quickly and in near real time. In this article, we provide a comprehensive guide on installing Elasticsearch on CentOS/RHEL 9, a popular Linux distribution known for its stability and robustness. By following these steps, you can enhance the search capabilities of your applications and maximize data insights. Prerequisites Before beginning the installation, ensure you have: A server running CentOS/RHEL 9. Sudo privileges or access to the root user. A stable internet connection. Step 1: Update Your System Open your…

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Ubuntu, the widely used Linux distribution, offers a structured way to manage software through its four primary repositories: Main, Universe, Restricted, and Multiverse. These repositories are crucial for developers and users to access and manage software packages efficiently. However, maintaining the security and efficiency of your Ubuntu system sometimes necessitates the removal of obsolete repositories and their associated GPG keys. This tutorial will help you to securely delete repositories and GPG keys from your Ubuntu system. Step-by-Step Guide to Delete Ubuntu Repositories Repositories in Ubuntu are added through the add-apt-repository command and are listed in the /etc/apt/sources.list file or the…

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