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today's howtos

Submitted by Roy Schestowitz on Saturday 14th of May 2022 05:55:19 PM Filed under
HowTos
  • Linux and Unix host Command Examples
  • How To Install Htop on Ubuntu 22.04 LTS - idroot

    In this tutorial, we will show you how to install Htop on Ubuntu 22.04 LTS. For those of you who didn’t know, htop is a process-viewer and manager for interactive system monitoring and management. It allows scrolling the list of processes vertically and horizontally to see their full command lines and related information like memory and CPU consumption. Also system-wide information, like load average or swap usage.

    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 Htop interactive process viewer on Ubuntu 22.04 (Jammy Jellyfish). You can follow the same instructions for Ubuntu 22.04 and any other Debian-based distribution like Linux Mint, Elementary OS, Pop!_OS, and more as well.

  • How To Create a Windows Bootable USB on Linux
  • Enable Minimize And Maximize Buttons In Fedora - OSTechNix

    Today, we will see one of the post installation steps in Fedora desktop. This brief guide explains how to enable minimize and maximize buttons in application windows in Fedora GNOME Workstation and Silverblue editions.

  • Subscribing to iCalendar feeds with QR codes

    Every day I receive emails containing invitations to events. Whether they are local community activities or international conferences, they share a common problem that is easily avoidable. Every recipient of the invitation has to manually copy and paste the event to their calendar.

    If it is a recurring event then it can be even more challenging. If the participant sets up a recurring event in their own software and stops reading the emails then it will not always be obvious to them when one instance of the meeting is skipped or in an unusual venue.

  • Antoine Beaupré: NVMe/SSD disk failure

    In any case, after waiting all that time, the machine booted (in Fedora) again, and now it could detect the SSD disk. The BIOS could find the disk too, so after I reinstalled grub (from Fedora) and fixed the boot order, it rebooted, but secureboot failed, so I turned that off (!?), and I was back in Debian.

    I did an emergency backup with ddrescue, from the running system which probably doesn't really work as a backup (because the filesystem is likely to be corrupt) but it was fast enough (20 minutes) and gave me some peace of mind. My offsites backup have been down for a while and since I treat my workstations as "cattle" (not "pets"), I don't have a solid recovery scenario for those situations other than "just reinstall and run Puppet", which takes a while.

  • Antoine Beaupré: BTRFS notes

    I'm not a fan of BTRFS. This page serves as a reminder of why, but also a cheat sheet to figure out basic tasks in a BTRFS environment because those are not obvious to me, even after repeatedly having to deal with them.

    Content warning: there might be mentions of ZFS.

  • An introduction to USB Device Emulation and how to take advantage of it

    Nowadays, the number of devices is getting bigger and bigger, and modern operating systems must try to support all types and several of them with every integration, with every release. Maintaining a large number of devices is difficult, expensive and also hard to test, specially for plug-and-play devices, like USB devices.

    Therefore, it is necessary to create a mechanism to facilitate the maintenance and testing of old and new USB devices. And this is where USB device emulation comes in. In that way, a complete framework including a big bunch of emulated and validated USB devices will allow easier integration and release. The area of application would be very wide: earlier bug search/detection even during development, automatic tests, continuous integration, etc.

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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.

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