Managing processes in Linux is a fundamental skill for system administrators and developers alike. Whether you’re troubleshooting a misbehaving application or stopping a service, knowing how to safely terminate/kill a process is essential. This guide will walk you through the steps to effectively manage processes, including those started with elevated privileges, using commands like kill, pkill, and … Read more
Introduction Upgrading your Ubuntu Server to the latest release ensures that you benefit from improved security, performance enhancements, and access to new features. However, upgrading a production server requires careful planning to minimize downtime and avoid potential issues. This guide provides a detailed, step-by-step process for upgrading Ubuntu Server from version 22.04 (Jammy Jellyfish) to … Read more
Introduction Ubuntu Server is a dependable and widely-adopted Linux distribution, but even the most reliable systems can face challenges that impact performance or disrupt operations. Understanding how to troubleshoot common issues is crucial for maintaining uptime and ensuring seamless functionality. In this guide, “Troubleshooting Common Issues on Ubuntu Server,” we’ll explore practical techniques to diagnose and resolve … Read more
Introduction Setting up and managing servers manually can be a tedious and error-prone process, especially in environments with multiple servers or repetitive configuration tasks. Ansible, a powerful open-source IT automation tool, streamlines this process by enabling you to automate server provisioning, configuration, and management with ease. In this guide, “24. Automating Ubuntu Server Setup with Ansible: … Read more
Introduction Deploying Ubuntu Server in the Cloud has become a go-to choice for businesses and developers looking to harness the power of scalable and reliable cloud environments. As one of the most popular Linux distributions, Ubuntu Server is renowned for its stability, security, and extensive community support, making it ideal for hosting applications, databases, and … Read more
Introduction Getting started with Podman introduces you to a modern, lightweight container engine designed as a secure and rootless alternative to Docker. Unlike Docker, Podman eliminates the need for a central daemon, offering enhanced security and flexibility for developers and system administrators managing containers. Its rootless architecture makes it particularly appealing for environments where minimizing privilege … Read more
Containerization has transformed application deployment by packaging software into isolated, lightweight environments that ensure consistency across different systems. Docker on Ubuntu Server is a powerful combination that simplifies this process, enabling developers and system administrators to build, ship, and run applications seamlessly. As the industry-leading containerization platform, Docker streamlines workflows and enhances scalability for modern application development. … Read more
Setting up file sharing services on Ubuntu Server is an essential task in modern IT environments, enabling seamless collaboration and efficient data exchange across devices, operating systems, and users. Whether you’re working in a mixed environment with Linux, Windows, and macOS systems or supporting a team that requires centralized access to shared resources, Ubuntu Server … Read more
Avoid common pitfalls in Linux administration by following these practical tips. Learn how to handle permissions, troubleshoot errors, and secure your system effectively. 1. Avoid Running Commands That Change Multiple Properties Instead of running commands that change a large number of properties, focus on specific files or directories related to the issue you are troubleshooting. … Read more
awk is a versatile text-processing tool used to manipulate and analyze data in text files. It is especially useful for tasks like pattern scanning, extracting data, and generating reports. This guide introduces the basics of awk and provides practical examples to help you get started. Introduction to awk awk is a scripting language designed for text processing and data extraction. … Read more