Understanding DNF History: Tracking Package Installations and Removals
Understanding dnf history for tracking, auditing, and undoing package installs and removals on Fedora/RHEL. CLI examples, tables, best practices included. Table of Contents 🔈Introduction In the world of Red Hat–based Linux distributions (Fedora, RHEL, CentOS Stream, AlmaLinux, Rocky Linux), dnf is the go‑to package manager. As system administrators and DevOps engineers, visibility into package installations and removals is crucial. […]
Automatically Exclude Packages Using DNF
Learn how to automatically exclude packages using DNF on Linux-based systems. This guide covers DNF exclusion options, CLI examples, and strategies for managing package installations effectively. Table of Contents 🔈Introduction The DNF (Dandified YUM) package manager is a powerful tool for managing software packages on Fedora, CentOS, RHEL, and other RPM-based distributions. It helps users install, update, remove, […]
Install Google Cloud CLI on CentOS 9: A Comprehensive Guide
Learn how to install Google Cloud CLI on CentOS 9 with this comprehensive guide. Includes step-by-step commands, configuration tips, and troubleshooting advice to help you manage GCP resources efficiently via the command line. Table of Contents Introduction The Google Cloud CLI, commonly known as gcloud, is an essential tool for developers and system administrators working […]
Install gscan2pdf on Ubuntu 24.04
Learn how to install gscan2pdf on Ubuntu 24.04 for scanning and converting documents to PDF. Follow this easy guide with detailed commands, troubleshooting tips, and related tools for enhancing your document management. Table of Contents Introduction For Linux users, managing scanned documents efficiently is essential, especially in business environments where document handling is frequent. One […]
How to Resize Images While Maintaining Aspect Ratio in Python: A Comprehensive Guide
Learn how to resize images while maintaining the aspect ratio in Python using libraries like Pillow and OpenCV. Follow our step-by-step guide with code examples, best practices, and troubleshooting tips. Table of Contents Introduction Resizing images while maintaining their aspect ratio is a crucial task in many applications, from web development to machine learning. Whether you’re […]
How to Automate Routine Server Tasks with Crontab on Ubuntu 24.04
Learn how to automate routine server tasks like backups, system updates, and log cleanup using Crontab on Ubuntu 24.04. Boost server efficiency with scheduled tasks and reduce manual errors. Table of Contents Introduction In today’s fast-paced world of system administration, automating routine server tasks is a crucial practice for streamlining operations, minimizing human error, and […]
Essential Chrony Commands Every System Administrator Should Know
Chrony commands for systems administrators offers insight into essential commands every sysadmin should know. This comprehensive guide covers configuration, synchronization, troubleshooting, and advanced Chrony usage for accurate system time management. Table of Contents Introduction Chrony is an NTP client and server software designed for keeping accurate time on Linux-based systems. It is especially suited for systems […]
Install VSCode on Fedora 40
Learn how to install VSCode on Fedora 40 with our easy, step-by-step guide. Follow RPM and repository installation methods, CLI examples, and troubleshooting tips for a seamless setup. Table of Contents Introduction Visual Studio Code (VSCode) is a powerful, free source-code editor developed by Microsoft, designed to support a wide array of programming languages and […]
Building a Docker Image from Scratch on Ubuntu 24.04
Learn how to build a Docker image from scratch on Ubuntu 24.04 with step-by-step instructions and optimization tips for security, performance, and minimalism. Table of Contents Introduction In today’s fast-paced world of software development, containerization has become an essential tool. Docker is at the forefront of this revolution, providing a way to package applications and […]
How to Set Up and Configure Ansible for DevOps Automation
Learn how to set up and configure Ansible for DevOps automation with our step-by-step guide. Improve your workflow and productivity with Ansible for efficient infrastructure management. Table of Contents Introduction Ansible is an open-source automation tool that simplifies the process of automating configuration management, application deployment, and task execution in DevOps environments. With its straightforward […]