Showing headlines posted by linuxer

Docker has become a crucial tool for developers, enabling them to package applications into containers, which are standalone executable packages containing everything needed to run a piece of software, including the code, runtime, libraries, environment variables, and config files. This article will walk you through the process of installing Docker on CentOS 9 Stream, breaking down each step to ensure a smooth and successful installation.

Choosing the right text editor for command-line interface (CLI) tasks on Ubuntu or Debian systems is crucial for developers, system administrators, and power users alike. A suitable text editor not only enhances productivity but also makes CLI tasks more manageable and enjoyable. In the Linux world, there are several popular text editors, each with its unique set of features. Some of the most widely used CLI text editors include Vim, Nano, and Emacs, catering to different preferences and expertise levels.

Welcome to this comprehensive guide on how to install the AWS CLI on Ubuntu Linux. The AWS Command Line Interface (CLI) is a unified tool that allows you to manage your AWS services from the terminal session on your own client. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts. This tutorial is designed for developers and system administrators looking for ways to automate or manage AWS services.

Waybar is an highly customizable Wayland bar for Sway and other Wlroots-based compositors, such as Hyprland or River. The many available functionalities of Waybar are organized in modules, which can be easily configured and styled. In this tutorial we learn how to install and configure Waybar on some of the most used Linux distributions.

Forgetting the root password on your Ubuntu system can significantly hinder your ability to perform essential administrative tasks. However, there’s no need to worry. Ubuntu Linux provides a relatively straightforward process to reset the root password, ensuring you can regain full access to your system. This guide walks you through the necessary steps to reset your root password, helping you to restore your administrative capabilities without much hassle.

GNOME (GNU Network Object Model Environment), is one of the most popular desktop environments on Linux, and probably the most used one, since all major distributions use it as their default interface. Version 42 of the D.E., introduced a global “light/dark” UI mode switch, which is respected by all GNOME applications and wallpapers: switching the global style to “dark”, automatically changes the GTK theme to Adwaita-dark, and all the wallpapers supporting this feature, to their “dark” versions. GNOME also supports time-shifting wallpapers.

Installing a new desktop environment on your Debian GNU/Linux system can significantly enhance your user experience by offering a fresh look, improved functionality, and additional applications. One popular choice among Linux users is the XFCE desktop environment. XFCE provides a lightweight, yet fully functional desktop experience, ideal for users with older hardware or those who prefer a minimalist desktop. This guide will walk you through the process of installing the XFCE desktop environment on a Debian GNU/Linux system.

Switching to a different desktop environment can breathe new life into your Ubuntu system, offering a fresh look and feel along with potentially better performance and usability. Cinnamon, known for its classic yet modern design and functionality, is a popular choice among those looking to move away from the default GNOME desktop. This tutorial is designed for users who have Ubuntu installed with the GNOME desktop and are interested in installing Cinnamon as an alternative.

Quickemu is a free and open source project which allows us to quickly launch Linux, macOS, and Windows optimized virtual machines. The project is hosted on GitHub, and is basically a wrapper around QEMU and some other tools. In this tutorial we learn how to install Quickemu, and how to use it to create optimized virtual machines on the most used Linux distributions.

ZoneMinder is a free and open source closed-circuit television software we can install on our Raspberry Pi (or any other Linux system) to monitor and protect our home, or whatever we deem valuable. ZoneMinder is easy to install, supports a vast selection of cameras, and has also APIs for third party software integration. In this tutorial we install ZoneMinder on the latest version of Raspberry Pi OS, and learn how to turn our RPI into a surveillance system using a simple USB webcam.

Thanks to its small size and simple requirements, the Raspberry Pi can be transformed into a variety of different specialized devices. One such role that it can fill is that of a dedicated music streamer, or jukebox. Whether you have your own music files (MP3, FLAC, etc) already downloaded and want to stream them to speakers around the house, or you rely on streaming services like Spotify or Pandora, utilizing the Raspberry Pi as a music streamer is a great way to enjoy some tunes. In this tutorial, we will go over the step by step instructions to help you turn your Raspberry Pi into the ideal music streaming device.

AppImage provides a convenient way to distribute and run desktop software on Linux without the need for installation or root privileges. This format packages applications in a way that allows them to run on various Linux distributions. Ubuntu 24.04, like its predecessors, supports running AppImages, providing users with a vast array of software options not necessarily available in the official repositories.

Managing packages is a crucial aspect of system administration and development in Linux environments, such as CentOS. This guide is designed to introduce you to the top 20 most common examples of package manager usage on CentOS. Whether you are a new system administrator or a seasoned developer, understanding these examples will help you effectively manage your CentOS system’s packages, ensuring it runs smoothly and securely.

WordPress, the most popular content management system (CMS), offers flexibility and ease of use for website creation and management. Installing WordPress on a Linux, Apache, MySQL, and PHP (LAMP) stack in Ubuntu 24.04 requires a series of steps to ensure a successful setup. This tutorial guides you through installing a LAMP stack, configuring Apache for WordPress, setting up a MySQL database, and finally, installing WordPress itself.

Node.js is a powerful JavaScript runtime built on Chrome’s V8 JavaScript engine. It allows developers to create scalable backend functionality using JavaScript, a language many are familiar with from front-end development. Installing Node.js on your Ubuntu system enables you to develop and run JavaScript applications outside the browser environment. This tutorial will guide you through three methods of installing Node.js on Ubuntu 24.04: using Ubuntu’s package manager (APT), Node Version Manager (NVM), and the official Node.js binary.

StartOS (formerly known as EmbassyOS) is a graphical, browser based Linux distribution for servers by Start9. It offers users the ability to install and host a variety of services with a single click. On traditional servers, hosting services usually requires some level of specialized knowledge, tinkering on the command line, and spending time with perusing documentation. StartOS aims to simplify this process by providing an intuitive menu with which you can manage every aspect of your server, as well as anything you have decided to host from it.

Configuring an APT proxy server in a Debian Linux environment can significantly enhance your network’s efficiency by caching package downloads. This setup is particularly beneficial for networks with multiple Debian or Ubuntu systems, reducing bandwidth usage and speeding up package installation. Apt-Cacher NG is a popular, easy-to-use APT proxy solution that we will focus on in this guide.

In this detailed guide, we will explore the process of converting a VirtualBox OVA file to the QCOW2 format, a necessary step for deploying virtual machines in a QEMU/KVM environment. This conversion is essential for users looking to transition from VirtualBox to a more scalable and open-source virtualization option like QEMU/KVM. We’ll cover each step of the process, from exporting your VirtualBox machine to finally deploying it on QEMU/KVM.

Virtualization technology has become an indispensable tool in software development, testing, and deployment. It allows you to run multiple virtual machines (VMs) on a single physical machine, each with its own isolated operating system and resources. This tutorial focuses on setting up a virtualization environment on Debian or Ubuntu Linux using QEMU, KVM (Kernel-based Virtual Machine), and Virt-Manager.

Kali Linux is one of the many operating systems that has full support for the Raspberry Pi, thanks to the ARM installer images. Combining Kali with a Raspberry Pi essentially gives you a portable penetration testing machine. Kali Linux can be installed and run without a monitor, keyboard, or mouse, so you will not need to worry about plugging in any peripherals to the Raspberry Pi.