unix

Discover how to explore the contents of Linux software packages without installing them. This insightful guide for developers and tech experts details methods using popular package managers like `apt`, `dnf`, and `zypper`. Learn to download and unpack `.deb` and `.rpm` packages to inspect contents, ensuring security, custom installations, or gaining educational insights with tools like `dpkg-deb`, `rpm2cpio`, and `cpio`. Ideal for those conducting security audits or exploring software packages across different Linux distributions.

This blog details how to use Live USB and Rescue Mode for system recovery, essential tools for diagnosing and fixing corrupted systems. It covers creating a Live USB with tools like Rufus, booting in Rescue Mode, and step-by-step troubleshooting, making it invaluable for both IT professionals and casual users seeking to prevent data loss and manage system crises effectively.

This article provides an in-depth look at the system requirements for several popular Linux distributions, including Ubuntu, Fedora, Debian, Arch Linux, Linux Mint, and Raspberry Pi OS. It is designed to help users match their hardware with the appropriate Linux distro, ensuring optimal performance. The guide covers CPU, RAM, and storage needs for each distribution and offers additional resources for further information.

Master the basics of Linux and Unix terminal operations with this guide to `cd`, `ls`, and `pwd`. These essential commands allow users to navigate directories, list contents, and display their current directory path, enhancing efficiency. Ideal for beginners, the post provides detailed explanations and examples to aid in mastering file system navigation.

Learn how to configure HTTP/3 with Apache, leveraging the new QUIC protocol for improved web performance. This guide covers the installation of Apache and the experimental mod_http3, adjustments for QUIC protocol support, and firewall settings for UDP traffic on port 443. Despite being challenging due to limited native support, adopting HTTP/3 can significantly better your site's reliability and speed.

Discover 24 Linux desktop environments in this comprehensive guide on LinuxBash.sh, perfect for both expert system administrators and newcomers. It explores popular options like GNOME, KDE Plasma, and less known ones like Enlightenment and Budgie, detailing their customization, efficiency, appearance, and system demands. Find installation tips and insights into each environment's relevance and popularity to choose the best desktop for your computing needs based on specific user requirements and hardware capabilities.

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.

This blog post offers an in-depth guide on solving keyring problems in Linux package managers like APT, DNF, and Zypper. It details steps to update, reinstall, or manually install keyrings and trust new keys, ensuring smooth package updates and installations. It emphasizes careful key operations for maintaining system security.

This article delves into the practice of package pinning in APT, a key tool in Debian and Ubuntu for prioritizing certain package versions during updates, ensuring system stability. Detailed steps for setting pin preferences in `/etc/apt/preferences` are provided, alongside comparisons with other package managers like DNF for Fedora and Zypper for openSUSE, highlighting their unique approaches to package prioritization.

This article explains how to utilize `i2c-tools` for managing I2C devices on Linux systems. It begins with an introduction to the importance of `i2c-tools` for debugging I2C buses and devices, followed by installation guidelines across various Linux distributions. The piece details procedures for detecting I2C buses and devices, and demonstrates reading and writing to I2C devices using `i2cget` and `i2cset`. An example script is provided, illustrating how to read temperature from a sensor and configure a register, underscoring the tools' ease and efficiency for embedded system management.

This article delves into Overlay Filesystems (OverlayFS), a union filesystem that combines read-only and writable layers for efficient file management in Linux environments. Ideal for scenarios involving containers or immutable systems, it explains the set-up and benefits, such as improved efficiency and space savings, providing instructions and real-world examples including its application in Docker.

Discover "Hollywood" on Linux Bash, a tool that emulates cinematic hacking terminals from movies. Developed by Dustin Kirkland, it fills your screen with dynamic terminal panes running harmless commands. Available for Ubuntu, Fedora, and openSUSE, it's perfect for enhancing presentations or enjoying an exaggerated hacker vibe.

Learn to enhance your Linux terminal with `figlet`, an ASCII text generator. This article provides installation instructions across various distributions and tips on customizing outputs with different fonts, alignments, and adding colors through `lolcat`. Ideal for beautifying scripts, creating startup banners, or adding flair to terminal sessions.

This comprehensive guide explains how to automate the installation of security updates on Ubuntu using the `unattended-upgrades` package, ensuring your system's maintenance with minimal manual intervention. It covers installation, configuration, and detailed commands to keep your system updated. The article also touches on update automation for other Linux distributions using tools like `dnf` and `zypper`.

This guide explains how to install a free Let’s Encrypt SSL certificate on a Linux server using Certbot. It covers updating your package manager, installing Certbot, running it to obtain and set up your certificate, enabling automatic renewals, and ensuring your firewall allows HTTPS traffic. By following these steps, you can enhance your website’s security through HTTPS encryption.

This article explores the maximum file and partition sizes for various Linux filesystems like EXT4, XFS, and Btrfs, discussing their impact on system design and data management. It covers how these limits influence system performance and scalability, providing essential information for system administrators, developers, and users handling large data sets.

This blog post on LinuxBash provides a guide to using the `alien` tool, enabling conversions between DEB and RPM software packages. It covers installation of `alien`, detailed instructions for converting packages, and offers tips on dependency management, script execution, and version control, enhancing software compatibility across various Linux distributions.

Master the use of jq for JSON processing in Linux Bash with our comprehensive guide. From installation to advanced usage, learn to parse, filter, and transform JSON data using jq in scripts. Ideal for handling API data or automating tasks, the article includes practical examples and further resources for deepening your jq skills.

Discover how to use `losetup` for managing loopback devices in Linux. This guide covers the essentials, from setting up and attaching disk images with `losetup` to manipulating these virtual disks for tasks like system recovery and software testing. Learn to adjust settings for specific segments of disk images and effectively manage mounted file systems. Ideal for enhancing your skills in Linux system administration.

This guide details how to build DEB packages from source for Debian-based systems, covering necessary tool setups like `dpkg-dev` and `build-essential`. It provides a step-by-step process for downloading, modifying, and building DEB files, tips for installing and managing these packages across various Linux package managers, and includes resources for further mastery of DEB package creation and maintenance.