Author: Rahul

.NET Core is a powerful, open-source framework for building modern applications. Developed by Microsoft, .NET Core allows developers to create applications that can run on multiple platforms, including Windows, Linux, and macOS. This versatility makes it a popular choice for many developers around the world. With .NET Core, you can build a wide variety of applications, including web, desktop, mobile, cloud, gaming, and IoT applications. Installing .NET on Debian 12: Step-by-Step Guide In this guide, we’ll walk you through the steps to install .NET 8 on Debian 12, a popular Linux distribution known for its stability and security. Prerequisites Before…

Error Details When attempting to start an XRDP session, you may encounter the following error messages in your logs: Jun 21 09:42:27 tecadmin-web xrdp-sesman[19218]: [INFO ] starting Xorg session… Jun 21 09:42:27 tecadmin-web xrdp-sesman[19218]: [INFO ] Starting session: session_pid 19243, display :10.0, width 1360, height 768, bpp 24, client ip ::ffff:192.168.1.10:60591 – socket: 12, user name tecadmin Jun 21 09:42:27 tecadmin-web xrdp-sesman[19243]: [INFO ] [session start] (display 10): calling auth_start_session from pid 19243 Jun 21 09:42:27 tecadmin-web xrdp-sesman[19218]: [ERROR] sesman_data_in: scp_process_msg failed Jun 21 09:42:27 tecadmin-web xrdp[19240]: [INFO ] xrdp_wm_log_msg: login successful for display 10 Jun 21 09:42:27 tecadmin-web xrdp[19240]:…

Managing user accounts on a Linux system is a crucial task for system administrators. One common task is disabling user accounts, which can be necessary for various reasons, such as when an employee leaves the company or when you need to temporarily disable access for security purposes. This guide will walk you through the process of disabling user accounts on a Linux system in simple, easy-to-understand steps. Disabling the User Accounts In Linux Disabling user accounts on a Linux system ensures that unauthorized users cannot access the system. This is a common practice in maintaining security and ensuring that only…

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 better 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 access servers, transfer files, and run commands on remote machines and by developers to access code repositories. SSH provides a secure way to communicate and perform…

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…