dnf

All posts tagged dnf by Linux Bash
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    This detailed guide explains how to downgrade a package on Linux using DNF, APT, and Zypper package managers. Covering each step from finding available versions to securing the downgrade against future updates, it serves as a practical resource for users needing to revert to older software versions for compatibility and system stability.
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    This guide explores the `dnf history` command and its counterparts `apt` and `zypper` across various Linux distributions. It covers tracking software transactions to troubleshoot installations, audit systems, and manage dependencies effectively. Step-by-step instructions aid in viewing, managing, and rolling back package transactions, providing a comprehensive toolset for system administrators and Linux enthusiasts.
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    Explore managing modules and streams in Linux using DNF, APT, and Zypper in this comprehensive guide. Focusing on DNF in Fedora, learn to enable, install, and switch module streams for flexible software management. While DNF leads in module handling, APT and Zypper provide distinct, efficient package management methods in their respective distributions, Ubuntu and openSUSE.
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    This guide explains managing software package priorities using DNF and touches on APT and Zypper, crucial for system stability and functionality. It covers the installation of the DNF plugins core package, configuring repository priorities, and using DNF for package management. The methods for setting up pinning in APT and repository priorities in Zypper are also discussed. This is essential for administrators and users aiming for a predictable Linux environment.
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    Learn how to establish a local repository for DNF/YUM on your Linux system, including necessary adjustments for APT and Zypper. The guide covers Apache server installation, directory and package setup, repository creation, and client configuration for systems like Fedora, CentOS, Debian, Ubuntu, and openSUSE, helping streamline package management and conserve bandwidth. Ideal for settings with multiple machines.
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    Explore Linux package managers APT (Ubuntu/Debian), DNF (Fedora), and Zypper (openSUSE) in this detailed guide. Learn about their unique commands and features, from installation and updates to system management. Essential for system administrators and casual users alike, enhance your Linux experience and system efficiency comprehensively. Further insights into each tool's evolution, advantages, and system-wise usage are available for in-depth learning.
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    This blog explores package management for RHEL-based Linux distributions, emphasizing YUM and DNF managers. It guides readers through installing, updating, and removing packages, and highlights DNF’s performance benefits over YUM. Additionally, it briefly discusses APT and Zypper for Debian-based and SUSE Linux systems, respectively, providing essential insights for enhancing system management skills across various Linux platforms.
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    This article examines dependency management in Linux, focusing on the package managers DNF, APT, and Zypper for Fedora, Debian-based systems, and openSUSE, respectively. It explores how each manager addresses dependencies, their performance, and unique features, such as DNF's automatic solutions, APT's simplicity, and Zypper's SAT algorithm efficiency. This comparison aims to help users select the most suitable package manager based on their specific needs.
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    This article thoroughly examines Linux package managers—`apt` for Ubuntu/Debian, `dnf` for AlmaLinux/Rocky, and `zypper` for OpenSUSE. It details each manager's features, command syntax, and performance to help users choose the best option for their needs, whether they prioritize simplicity, robust dependency management, or advanced functionalities.
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    Explore the fundamentals of rebuilding the metadata cache in Linux package managers with our detailed guide. Learn how to address common issues such as outdated or corrupted metadata in DNF, APT, and Zypper. Our blog provides step-by-step instructions for refreshing the metadata cache, ensuring efficient software installations and updates, accompanied by best practices and additional resources for enhanced system performance management.
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    This article provides a comprehensive guide on configuring proxy settings for major Linux package managers including APT, DNF, YUM, and Zypper. It offers detailed instructions for editing configuration files to allow software installations and updates via proxy servers, suitable for corporate or secured networks, and includes steps for both simple and authenticated proxies.
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    This article provides detailed guidance on resolving "no public key" errors when using package managers like DNF, APT, and Zypper in Linux. It explains the errors stem from missing or outdated GPG keys and offers step-by-step instructions to find, import, and verify these keys, alongside general troubleshooting advice to ensure system security and successful package management.
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    Explore the capabilities of Repoquery for Linux package management in DNF/YUM systems. This guide dives into querying package details like dependencies and versions, and compares Repoquery with APT and Zypper for Debian and SUSE systems. Learn essential commands and advanced tips for effective package space management, enhancing command-line skills across various Linux environments.
Master the management of Linux system services with this guide on using `systemctl`. Learn how to enable, disable, start, stop, and check the status of services to optimize system performance and boot times. This comprehensive article provides practical examples and clear explanations, making it an essential tool for both new and experienced Linux users aiming to master service management.
Discover how to create a basic port scanner using Linux's `/dev/tcp` and the `timeout` command in this blog post. The `/dev/tcp` pseudo-device facilitates direct TCP socket interactions from the Bash shell, enabling users to assess port availability. The post showcases how to manage connection timeouts with the `timeout` command to make scanning efficient and provides a script that demonstrates detecting open ports on specified host and port range.
Learn how to mount virtual disk images in Linux with this detailed guide for beginners. Explore essential tools like 'mount' and 'losetup', and processes for handling ISO, IMG, and VDI file types. Utilize `qemu` for advanced disk image types, and uncover the steps for partitioned images and VDI files in VirtualBox using `qemu-nbd`. Ideal for developers and tech aficionados looking to enhance their Linux skills and streamline their workflow.
Learn to tidy up Linux systems by managing unnecessary packages and dependencies via popular package managers like APT, DNF, and Zypper. The guide covers critical steps such as updating lists, upgrading packages, and safely removing unneeded dependencies, enhancing system efficiency. Practical tips and additional resources for deeper understanding are also provided.
Learn to use `curl` in bash scripts for API calls with this comprehensive guide on LinuxBash.sh. Covering installation on various Linux distributions, the article delves deep into basics and advanced uses, including GET and POST requests, handling API responses with tools like `jq`, and security practices. Ideal for system administrators and developers aiming to automate API interactions.
This article on LinuxBash.sh explains mounting filesystems as read-only in Linux, crucial for data integrity and security. It offers practical guidance for using the `mount` command and modifying `/etc/fstab` for permanent changes. Detailed scenarios, command examples, and tips ensure users can safely manage filesystem operations and enhance system stability. Further resources are recommended for deeper learning on Linux filesystem management.
Learn how to securely mount encrypted drives in Linux with this guide covering LUKS and cryptsetup use. Essential for users concerned about data protection, this tutorial offers detailed steps for encryption, including tools installation, drive setup, secure mounting, and automated boot processes. Ideal for ensuring compliance and safeguarding sensitive information against unauthorized access. Further reading is provided for more advanced topics.
This guide offers insights on managing Flatpak packages, enhancing Linux application distribution via standardized, secure, sandboxed environments. Learn to install Flatpak, add Flathub repositories, and handle applications. Also find commands for installing, updating, and uninstalling software, plus tips for system efficiency and links for deeper exploration of Flatpak's potential. Ideal for both newcomers and seasoned Linux users aiming to refine their software deployment strategies.
The article details best practices for managing temporary files in Linux's `/tmp` and `/var/tmp` directories. It distinguishes between their usages: `/tmp` for data needing persistence only within a current boot session, and `/var/tmp` for files needed beyond a reboot. It emphasizes the importance of properly setting permissions, selecting appropriate storage directories, routinely cleaning up these spaces, and monitoring disk usage for optimal system performance. It also suggests automating cleanups with tools like `tmpreaper` and `tmpwatch`.
This detailed guide explains how to configure gzip compression for Nginx on Linux, highlighting its benefits such as reduced bandwidth use and faster loading times. It covers prerequisites like having Nginx and Linux skills, steps to edit the Nginx config file to enable gzip, setting compression levels, file types for compression, and methods to test the setup. The article ends with best practices and further reading suggestions to enhance understanding of Nginx optimizations.