Complete Guide to Installing and Configuring APT Local Repository in Linux

Introduction An APT (Advanced Package Tool) local repository is a powerful way to manage software packages in Linux distributions such as Ubuntu and Debian. In addition to setting up a local repository, you can also configure it to mirror or sync with an existing repository. This article will guide you through the process of installing … Read more

How to Fix SSH Permission Denied (Public key) Error in Linux

Introduction Encountering the “Permission Denied (Public Key)” error while trying to establish an SSH connection in Linux can be frustrating. In this article, we will guide you through the process of troubleshooting and resolving this issue. You will learn about the commands involved, their purpose, and how to use them effectively. Step 1: Verify SSH … Read more

How to Fix “passwd: Authentication token manipulation error” in Linux

Encountering the “passwd: Authentication token manipulation error” while trying to change a user’s password on a Linux system can be frustrating. However, there are several solutions you can try to resolve this issue and successfully change the password. Use the sudo command: Instead of directly using the passwd command to change the password, try running … Read more

How to Setup SSH Passwordless Login in Linux – A Comprehensive Guide

Introduction Setting up SSH passwordless login on your Linux system not only improves security but also provides a seamless and efficient way to access remote servers. In this comprehensive guide, we will walk you through the process of securely configuring SSH passwordless authentication. By following our step-by-step instructions and best practices, you’ll be able to … Read more

Guide to Installing, Configuring, and Managing Asterisk VoIP Server on Linux

Introduction In this comprehensive guide, we will provide a detailed step-by-step tutorial on how to install, configure, and manage an Asterisk VoIP server on a Linux system. Additionally, we will cover the process of adding new users and connecting clients to the server. Furthermore, we will include instructions for installing a web panel for SIP … Read more

iPerf3 – Test Network Speed in Linux

Introduction: Network speed and throughput are critical factors in evaluating and optimizing network performance. In Linux, iPerf3 is a powerful command-line tool that enables you to measure speed and analyze throughput between two points on a network. This article provides a comprehensive guide on using iPerf3 in Linux, offering step-by-step instructions and command examples for … Read more