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today's howtos

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HowTos
  • Expanding TeX's \newif

    Like most of my colleagues, I use LaTeX to write papers, reports, notes, or what have you. In fact, I think all of the places that I regularly write supports some variable subset of LaTeX. Also like most of my colleagues, I’m not a TeXnician. I’m not proud to be ignorant in this regard, but there’s only so many hours in a day, and the gains from properly learning a huge ecosystem like LaTeX seems minuscule compared to the initial buy-in cost.

    Still, I was curious.

  • MariaDB 5.5.68 Upgrade to 10.4
  • Kill Processes in Linux - Kill, Pkill, Killall Commands - Linux Nightly

    The kill, pkill, and killall commands are used to terminate processes on a Linux system. They are default command line utilities that all pretty much do the same thing, but in different ways. Mastering these commands will allow a Linux user to exercise more control over their system, as they’ll have the ability to end (or kill) services and processes that are running.

    This guide will show you how the commands work, and take you through some examples to learn the proper syntax. Let’s go kill some processes.

  • Screen Command in Linux to Manage Terminal Sessions

    Screen is command line utility which works in Linux systems as a terminal multiplexer. Sometimes we may face some issues like terminating the remote ssh connections due to network issues while performing an important task. It may be painful if the task is running on production environment. So, to handle this kind of issues, separate screen session is recommended which does not terminate with the end of terminal sessions.

    In the Linux system, we have command line utility tool called screen which is used to manage terminal sessions. In this article we will cover how to use screen command in Linux to manage terminal sessions while working on important task in production systems.

  • How to enable Red Hat Subscription on RHEL 8/7

    Red Hat subscription model is a software support model that allows Red Hat to manage their customers.

    It allows customers to download Red Hat tested and certified enterprise software packages, patches, updates, and upgrades for Redhat Enterprise Linux.

    In addition to software support, customers will also receive technical support for the product and vast knowledge base articles.

    Red Hat Subscription Management (RHSM) is a customer-driven solution that allows users to track their subscription quantity and consumption.

    In this guide, we’ll show how to register or un-register a new Red Hat Enterprise Linux system to the Customer Portal using Red Hat subscription-manager.

  • How to Update Firmware on Ubuntu using fwupd

    Fwupd is a daemon to help to manage the installation of firmware on Linux. Fwupd is configured by default to download firmware from the Linux Vendor Firmware Service (LVFS). LVFS is a secure website that allows hardware vendors to upload their firmware updates.

    Fwupd aims to make firmware update on Linux systems automatic, safe, and reliable. It is mainly used to update UEFI firmware. There are many companies that already support native firmware updates such as Dell, Lenovo, HP, Intel, and System76.

  • How to Merge PDF Files Using GUI & CLI Tools in Linux

    Whether you prefer to use a command-line or graphical application, several tools are available for free to combine multiple PDF files in Linux.

  • How to Export and Import Gnome Terminal Profile in Ubuntu

    Gnome Terminal is customizable, due to this some prefer to use default settings and some prefer to customize their terminal. I always have different profiles created with different color schemes and switch between them.

  • What is a config file? | Opensource.com

    There are thousands of configuration files on your computer. You may never directly interact with the bulk of them, but they're scattered throughout your /etc folder and in ~/.config and ~/.local and /usr. There are probably some in /var and possibly even in /opt. If you've ever opened one by accident or to make a change, you may have wondered why some configuration files look one way while others look completely different.

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digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.