Author: Rahul

When working with Docker containers, you might need to know the IP address of a specific container. This can be useful for debugging, networking, or connecting to services running inside the container. This guide will show you how to easily find the IP address of a Docker container using simple commands. Why You Might Need the IP Address There are several reasons you might need to find a Docker container’s IP address: Connecting to Services: Access services running inside the container from your host or other containers. Networking: Set up network configurations or troubleshoot networking issues. Debugging: Investigate connectivity problems…

Sometimes, you might want to grant a user sudo privileges for only specific commands instead of full administrative access. This guide will show you how to do that easily. We will also provide an example and a test scenario to ensure it works correctly. Keeping security in mind, you should allow only required permission that a user required to do there work. To allow command-specific sudo privileges to a user to run only certain commands with superuser rights. This can enhance security by limiting the user’s abilities. Note: Be careful while editing the sudoers file. Mistakes in this file can…

Linux is a powerful operating system, and for most tasks, you need admin or root access. However, giving root access directly to users can be risky. That’s where sudo comes in. In this article, we will explain how to properly configure sudo privileges in Linux in simple steps, so you can manage users and ensure system security. What is Sudo? Sudo stands for “Superuser Do”. It is a command in Linux that allows a permitted user to execute commands as the superuser or another user. By using sudo, you can allow normal users to run certain administrative commands without giving…

The update-alternatives command in Debian is a helpful tool to manage different versions of software on your system. It allows you to easily switch between different versions of the same program. Assuming you have installed multiple Java versions or Python versions on a single system. With the help of update-alternatives you can set any version of the program as the default version for your system. What is update-alternatives? update-alternatives is a command-line tool that helps you set up, maintain, and manage symbolic links for different versions of software. These symbolic links point to the actual files on your system, making…

MariaDB is a popular, open-source relational database management system that is a fork of MySQL. It is widely used for storing and managing data. This guide will walk you through the steps to install MariaDB on Ubuntu 24.04. Follow these simple instructions, and you will have MariaDB running on your system. Steps to Install MariaDB on Ubuntu 24.04 Here is the step-by-step instruction to install and configure MariaDB database server on Ubuntu 24.04 Noble Numbat Linux system. Step 1: Update Your System First, we need to make sure that all the existing software on your system is up-to-date. Open a…

This guide will show you how to install .NET 8.0 on Ubuntu 24.04. .NET is a free, open-source platform used for building different types of applications, like web apps, mobile apps, and desktop apps. With .NET, you can create powerful and flexible software. For example, you can build a website using ASP.NET, develop mobile apps with Xamarin, or create desktop applications with Windows Forms or WPF. Installing .NET on your Ubuntu system will allow you to start developing these types of applications quickly. Steps to Install .NET 8 on Ubuntu 24.04 Follow the steps below to set up .NET 8.0…

.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…