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today's leftovers

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  • Pain Diary: is an Open-source Pain Logger for Patients

    Pain Diary is an Android app which can help you track and share your pain with your doctor.

    It does not collect, share, track or share any of your data with any third party.

    It allows you to make daily diary entries recording your condition and the intensity, location, nature and time of the pain you feel, as well as the medication you take and additional notes.

    Pain Diary records of your pain can help health
    professionals gain an insight into the pain you are experiencing.

    [...]

    Privacy Friendly Pain Diary is licensed under the GPLv3.

  • Cloudera adopts Apache Iceberg tables to show OS commitment • The Register

    Developed through the Apache Software Foundation, Iceberg offers an open table format, designed for high-performance on big data workloads while supporting query engines including Spark, Trino, Flink, Presto, Hive and Impala.

  • Arduin-Row uses tinyML to improve your rowing technique | Arduino Blog

    Rowing machines make for excellent aerobic workouts, as they involve repeatedly pushing one’s legs against the base and pulling out the handle to achieve the fastest times. But because of the equipment’s nature, learning how to exercise correctly on one often requires a coach that can correct the user’s form, which is why Justin Lutz created the Arduin-Row.

    [...]

    Lutz expanded the project even further by incorporating the Nicla’s onboard eCO2 sensor to plot an estimate of how much power is being generated by the rower. Once deployed, the code allows users to see a list of feedback given by the virtual coach and view a chart of their expended CO2 via the IoT Cloud Remote app.

  • Managing binary package repositories

    In Packaging for Arch Linux I described the ins and outs of binary repository management and some of the issues that come with the tooling currently used by Arch Linux.

    In this article I will highlight the work on new tooling and its features.

    Since my last write-up on this topic, the project formerly known as arch-repo-management has been renamed to repod (as in repo-d) and has just seen its first minor release.

  • Kdenlive Is My New Old Video Editor Of Choice - Invidious

    I've jumped around between a bunch of Linux video editors and even though some of them have there interesting quirks I've some circled back around to Kdenlive

More in Tux Machines

today's howtos

  • How to Change Comment Color in Vim – Fix Unreadable Blue Color

    Are you annoyed about the comment color in vim? The dark blue color of the comment is often hard to read. In this tutorial, we learn how to change the comment color in Vim. There are few methods we can use to look vim comment very readable.

  • How to Add Repository to Debian

    APT checks the health of all the packages, and dependencies of the package before installing it. APT fetches packages from one or more repositories. A repository (package source) is basically a network server. The term "package" refers to an individual file with a .deb extension that contains either all or part of an application. The normal installation comes with default repositories configured, but these contain only a few packages out of an ocean of free software available. In this tutorial, we learn how to add the package repository to Debian.

  • Making a Video of a Single Window

    I recently wanted to send someone a video of a program doing some interesting things in a single X11 window. Recording the whole desktop is easy (some readers may remember my post on Aeschylus which does just that) but it will include irrelevant (and possibly unwanted) parts of the screen, leading to unnecessarily large files. I couldn't immediately find a tool which did what I wanted on OpenBSD [1] but through a combination of xwininfo, FFmpeg, and hk I was able to put together exactly what I needed in short order. Even better, I was able to easily post-process the video to shrink its file size, speed it up, and contort it to the dimension requirements of various platforms. Here's a video straight out of the little script I put together: [...]

  • Things You Can And Can’t Do

    And it got me thinking about what you can and can’t do — what you do and don’t have control over.

  • allow-new-zones in BIND 9.16 on CentOS 8 Stream under SELinux

    We run these training systems with SELinux enabled (I wouldn’t, but my colleague likes it :-), and that’s the reason I aborted the lab: I couldn’t tell students how to solve the cause other than by disabling SELinux entirely, but there wasn’t enough time for that.

  • Will the IndieWeb Ever Become Mainstream?

    This is an interesting question, thanks for asking it, Jeremy. I do have some history with the IndieWeb, and some opinions, so let’s dive in.

    The short answer to the question is a resounding no, and it all boils down to the fact that the IndieWeb is really complicated to implement, so it will only ever appeal to developers.

  • How to Install CUPS Print Server on Ubuntu 22.04

    If your business has multiple personal computers in the network which need to print, then we need a device called a print server. Print server act intermediate between PC and printers which accept print jobs from PC and send them to respective printers. CUPS is the primary mechanism in the Unix-like operating system for printing and print services. It can allow a computer to act as a Print server. In this tutorial, we learn how to set up CUPS print server on Ubuntu 22.04.

Open Hardware: XON/XOFF and Raspberry Pi Pico

  • From XON/XOFF to Forward Incremental Search

    In the olden days of computing, software flow control with control codes XON and XOFF was a necessary feature that dumb terminals needed to support. When a terminal received more data than it could display, there needed to be a way for the terminal to tell the remote host to pause sending more data. The control code 19 was chosen for this. The control code 17 was chosen to tell the remote host to resume transmission of data.

  • Raspberry Pi Pico Used in Plug and Play System Monitor | Tom's Hardware

    Dmytro Panin is at it again, creating a teeny system monitor for his MacBook from scratch with help from our favorite microcontroller, the Raspberry Pi Pico. This plug-and-play system monitor (opens in new tab) lets him keep a close eye on resource usage without having to close any windows or launch any third-party programs. The device is Pico-powered and plugs right into the MacBook to function. It has a display screen that showcases a custom GUI featuring four bar graphs that update in real-time to show the performance of different components, including the CPU, GPU, memory, and SSD usage. It makes it possible to see how hard your PC is running at a glance.

Security Leftovers

How to Apply Accent Colour in Ubuntu Desktop

A step-by-step tutorial on how to apply accent colour in Ubuntu desktop (GNOME) with tips for Kubuntu and others. Read more