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today's howtos

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HowTos
  • Toggling Line Numbers On/Off in the vi Text Editor – Linux Hint

    The line numbers shown in a text editor can greatly enhance a programmer’s experience writing and reading code. There are several text editors available for the Linux operating system, including the popular and powerful vi text editor, and these editors can be used to create and modify various file types.
    The vi editor provides three different types of line numbers: absolute, relative, and a hybrid combining features of absolute and relative. In this article, we will discuss method that can be used to change the line number type shown in the vi text editor.

    Note: Linux Mint 20 is used to demonstrate all the methods discussed below.

  • How to Configure Network Static IP Address on RHEL/CentOS 8/7

    The scope of this tutorial is to explain how we can edit and make changes to Network Configurations on RHEL/CentOS 8/7 from the command line only, and, more specifically how we can set up a Static IP address on network interfaces using system network-scripts, which is a must be configured to serve Internet-facing network services, and how to configure or change RHEL/CentOS system hostname.

  • Ansible file Module – Tutorial and Examples - LinuxBuz

    Ansible file module is used to deal with the files, directories, and symlinks. You can create or remove files, symlinks or directories on the remote hosts using the Ansible file module. It is also used to change the file ownership, group and permissions.

    Ansible file module performs all tasks on the remote hosts. So before changing the ownership and permissions of the files and directories, relevant user and group must exist on the remote hosts. Otherwise, playbook execution will fail. In this case, you should always check the user or group’s existence on the remote hosts then change the ownership or permissions.

  • Linux interface analytics on-demand with iftop | Enable Sysadmin

    Got network bandwidth? Are you sure? Find out with iftop.

  • GCP Quickstart Guide for OpenShift OKD - A Random Walk Down Tech Street

    I recently did a blog post series. showing how to get started with OpenShift OKD on Fedora CoreOS for DigitalOcean. For that series I wrote a script to do most of the heavy lifting because DigitalOcean isn’t a native supported platform by the OpenShift installer.
    Today I’ll show off how to get started in GCP, which is supported natively by the OpenShift installer. This makes it much easier to get started because most of the heavy lifting (including infrastructure bringup) is done by the installer itself.
    As always, when looking for more information in addition to what I’m showing here today refer to the existing documentation.

  • How to Install Jenkins Automation Server with Apache on Ubuntu 20.04

    Jenkins is a free and open-source automation server that helps developers to build, test, and deploy their software. It is based on Java and provides over 1700 plugins that help to automate the repetitive tasks involved in the software development process. It supports multiple operating systems such as Windows, Mac OS X and Linux, and can easily be distributed across multiple machines.

  • How to install MySQL server on Ubuntu 20.04 LTS Linux - nixCraft

    Explains how to install and set up Oracle MySQL server 8.x on Ubuntu 20.04 LTS Linux, including new users and databases for your project.

  • How To Create A Custom Ubuntu Live ISO Image With Cubic - OSTechNix

    In this guide, we are going to learn what is Cubic and how to create a custom Ubuntu live ISO image with Cubic application.

  • Enabling new hardware on Raspberry Pi with Device Tree Overlays - Bootlin's blog

    We recently had the chance to work on a customer project that involved the RaspberryPi Compute Module 3, with custom peripherals attached: a Microchip WILC1000 WiFi chip connected on SDIO, and a SGTL5000 audio codec connected over I2S/I2C. We take this opportunity to share some insights on how to introduce new hardware support on RaspberryPi platforms, by taking advantage of the Raspberry Pi specific Device Tree overlay mechanism.

More in Tux Machines

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.