cli

All posts tagged cli by Linux Bash
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    If you've ever wanted to explore the quirky side of your Linux terminal or give it a creative twist, ASCII art can be a fantastic and fun way to do so. Among the myriad of tools available for this, one particularly interesting choice is bb. It's not just an application; think of it as a delightful ASCII art demo that turns your CLI into a vibrant, animated gallery. In this blog post, I'll guide you through what bb is, why it might be worth your time, and of course, how to install it on your Linux system using various package managers like apt, dnf, and zypper. bb is a high-quality ASCII art render application that showcases various pieces of ASCII art in a mesmerizing demo format. This tool was originally created by Thomas E.
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    In the world of Linux, the terminal is a powerful area where much of the magic happens. While many users lean toward graphical interfaces for everyday tasks, the efficiency and scalability offered by terminal-based applications continue to attract developers, system administrators, and technology aficionados. One such tool that enhances the terminal experience is edit, a command line interface (CLI) text editor that also doubles as a file management tool. This post will introduce you to edit, highlighting its features and providing detailed installation instructions across different Linux distributions. edit is a CLI-based utility designed to simplify text editing and file management tasks within the terminal.
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    Linux, known for its robustness and flexibility, offers multiple ways to perform most tasks, including something as fundamental as user creation. This process can be done either through a graphical user interface (GUI) or a command-line interface (CLI), and each method has its own advantages and use cases. This blog post explores these two approaches during the installation of Linux systems, helping both new and experienced users understand the best practices and optimal situations for each method. User creation is a critical step during the installation of a Linux system. It sets up initial access for system administrators and possibly for other users.
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    For many developers and system administrators who frequently use Python command-line tools, managing dependencies and avoiding conflicts can be a hassle. This is where pipx (Python isolated Pip eXecutables) shines as a utility. It allows you to install and run Python CLI tools in isolated environments, simplifying both their execution and management. In this blog, we’ll explore what pipx is, why it might be a valuable tool for you, and how to install it using various package managers like apt, dnf, and zypper. pipx is a tool that installs and runs Python applications in isolated environments.
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    When managing Kubernetes clusters, the primary tool at your disposal is kubectl, the Kubernetes command-line interface. It allows you to deploy applications, inspect and manage cluster resources, and view logs. If you're working on a Linux-based machine, this guide will help you install kubectl using various package managers and get started with some basic commands. kubectl is a powerful CLI tool for Kubernetes. It lets you control Kubernetes clusters and interact with its components. The tool is essential for anyone working with Kubernetes, from basic inspecting and managing to more advanced operations. Installing kubectl on Linux Installation methods can vary depending on your Linux distribution.
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    In the world of command-line interface (CLI) tools, Vim stands out as a highly efficient text editor that offers powerful functionality. Born from the lineage of Vi, Vim, which stands for Vi IMproved, extends its predecessor with added features while focusing on speed and efficiency. It thrives in Linux environments and is favored by many developers and system administrators for its robustness and minimal GUI, allowing them to edit files directly from the terminal. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.
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    Introduction Whether you're a network administrator, cybersecurity enthusiast, or just a curious techie, having the right tools to analyze network traffic can be crucial. Wireshark is a widely acclaimed network packet analyzer that provides detailed insights into network traffic and packet information. For those who prefer working in a command-line interface (CLI), Wireshark comes with a powerful counterpart: Tshark. In this blog, we'll dive into how you can leverage both tools on your Linux system, including detailed installation instructions across various Linux distributions using apt, dnf, and zypper.
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    In the world of technology, productivity tools play a crucial role in streamlining workflows and enhancing efficiency. For those who often work in Linux environments and handle documentation, glow stands out as a splendid utility. It renders Markdown files directly in the terminal—a feature that not only enhances readability but also integrates seamlessly into your command-line operations. Glow is a terminal-based tool that allows users to view Markdown files in the terminal itself, formatted and styled. This is especially useful for developers or writers who prefer to stay within the terminal environment or need quick access to well-formatted documentation without opening a separate viewer or browser.
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    In the modern cloud-centric IT landscape, efficiency in managing cloud services directly from the console is a significant advantage. For Linux users, Bash provides a powerful base for automating and managing tasks in cloud environments like AWS (Amazon Web Services) and Microsoft Azure. This guide offers a detailed walkthrough on how to use the command line interfaces (CLIs) for AWS and Azure within Bash, and provides installation instructions compatible with various Linux distributions using apt (Debian/Ubuntu), dnf (Fedora), and zypper (openSUSE). Before diving into the specifics of AWS and Azure CLI, ensure your Linux system is ready by installing the necessary CLI tools. Here are the setups for each package manager. 1.
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    The combination of Bash scripts and the AWS CLI (Command Line Interface) provides a powerful, flexible way to automate and manage AWS cloud infrastructure. This approach enables you to provision, configure, and maintain resources programmatically, ensuring consistency and scalability. 1. Why Use Bash with AWS CLI? Automation: Automate repetitive tasks like provisioning instances, creating S3 buckets, or managing security groups. Efficiency: Save time and reduce errors by scripting tasks instead of performing them manually. Integration: Combine AWS CLI commands with other tools and utilities in Bash scripts. Cost Management: Monitor and manage resources programmatically to avoid unnecessary expenses. Launching and managing EC2 instances.
This article delves into the functions of `/mnt` and `/media` directories in Linux, explaining their roles as mount points for managing storage devices. The `/mnt` directory is utilized for temporary, manual mounts by system administrators, while `/media` is designed for automatic mounting of removable media like USB drives and external hard disks. Best practices in managing these directories to maintain an organized and efficient filesystem are also discussed.
This technical blog post introduces Glow, a terminal-based tool for rendering Markdown files within the Linux terminal. It highlights key features like stylized reading, pager support, responsiveness, and search integration. The article includes detailed installation instructions for different Linux distributions using package managers like `apt`, `dnf`, and `zypper’, along with practical usage examples and further reading links for those looking to enhance their terminal experience with Markdown.
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 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.
Discover the capabilities of `systemd.automount` in Linux, which efficiently manages filesystems by mounting them only when needed. This guide provides a detailed tutorial on creating `.mount` and `.automount` unit files, particularly for network systems, reducing boot times and enhancing system performance and reliability. Ideal for system administrators looking to optimize Linux systems through advanced service management techniques.
Learn essential DNS troubleshooting with the `dnsutils` package, featuring tools `dig` and `nslookup` for Linux users. This guide explains their installation across various distributions and provides basic usage examples to efficiently diagnose and resolve DNS issues, ensuring network reliability. Further resources offer advanced techniques and best practices for deepening your DNS knowledge.
Learn about `tmpfs`, a speedy, volatile filesystem in Linux that uses RAM and swap for temporary data storage. `tmpfs` improves performance for frequent read/write operations, enhances security by clearing data on reboot, and reduces SSD wear. Our guide outlines easy mounting steps, size configuration, and making `tmpfs` persistent with `/etc/fstab`, plus best practices for memory and data management. Ideal for scenarios requiring quick temporary storage access.
This blog post on LinuxBash.sh is a comprehensive guide to trapping and handling signals in Bash scripts, crucial for ensuring script reliability. It details signal trapping, covers common signals like SIGINT and SIGTERM, and provides examples of the `trap` command for setting up handlers. The article is valuable for those looking to improve script safety and includes sections on package installations for handling tools across various Linux package managers. Further reading links are also provided.
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.
Explore the Linux `watch` command's functionalities and applications in real-time command monitoring, ideal for system administrators and developers. Learn how to install `watch`, customize intervals, and apply it to efficiently track dynamic outputs like system logs and process states through practical examples. This guide is an essential resource for anyone looking to enhance real-time monitoring and system analysis in Linux.
This guide details how to set filesystem quotas in Linux, providing system administrators with essential steps to manage disk space by limiting storage for users or groups. From installing the `quota` tool via different package managers to creating databases and assigning quotas, it covers all necessary aspects to ensure system stability and fair resource distribution.
This article explores the use of `jq`, a powerful command-line tool for JSON parsing and processing in Linux Bash. It covers how to install `jq` on various Linux distributions, basic usage examples, and advanced techniques for handling JSON data from APIs, configuration files, and more. The guide aims to aid developers, system administrators, or tech enthusiasts in effectively using `jq` to parse, filter, map, and transform JSON structures, enhancing data manipulation capabilities.
This article provides a comprehensive guide on using GNU Parallel, a command-line tool for executing multiple shell commands concurrently across different computers. It outlines the benefits of parallel processing in Bash, installation steps for various Linux distributions, and practical usage examples. Additionally, advanced tips such as job control, maintaining output order, and progress tracking are discussed, making GNU Parallel a valuable tool for enhancing efficiency in tasks like data processing and backups.