All my blog posts and articles
How to Add Swap Space on Ubuntu 20.04 This tutorial explains how to add a swap file on Ubuntu 20.04 systems. Swap is a space on a disk that is used when the amount of physical RAM memory is full. June 4, 2021 at 09:15PM
Netplan network configuration tutorial for beginners – LinuxConfig.org In this article we learn about Netplan and we see how can we use it to setup network interfaces on Ubuntu June 4, 2021 at 05:25PM
6 Stages of Linux Boot Process (Startup Sequence) Press the power button on your system, and after few moments you see the Linux login prompt. Have you ever wondered what happens behind the scenes from the time you press the power button until the Linux login prompt appears? The following are the 6 high level stages of a typical Linux boot process. BIOS June 3, 2021 at 08:05PM
Raspberry Pi Boot Process As we delve into the Raspberry Pi I thought it would be useful to understand how the Linux System boots on this microcontroller. This will help us understand how to make better software choices. June 3, 2021 at 08:09PM
How to Set Up Wi-Fi and Bluetooth on Raspberry Pi Unlike older models, the Raspberry Pi 3 and 4 have Wi-Fi and Bluetooth capabilities. Here’s how to set them up properly. June 2, 2021 at 03:50AM
rubysolo/dentaku math and logic formula parser and evaluator. Contribute to rubysolo/dentaku development by creating an account on GitHub. May 31, 2021 at 03:19PM
lbaitemple/ubuntu_server_rpi Contribute to lbaitemple/ubuntu_server_rpi development by creating an account on GitHub. June 1, 2021 at 01:11AM
verlab/gazebo_ros_model_color This package contains a gazebo ros plugin which allows the user to dynamicly modified the color of the objects. – verlab/gazebo_ros_model_color May 29, 2021 at 01:10AM
The Lab-Leak Hypothesis For decades, scientists have been hot-wiring viruses in hopes of preventing a pandemic, not causing one. But what if …? May 29, 2021 at 12:54AM
nocodb/nocodb 🔥 🔥 The Open Source Airtable alternative. Contribute to nocodb/nocodb development by creating an account on GitHub. May 29, 2021 at 06:16AM
The Sudden Rise of the Lab-Leak Theory Scientists and political commentators are no longer dismissing the possibility that COVID-19 emerged from a Chinese laboratory. What changed? May 29, 2021 at 01:00AM
Birdhouse Dimensions and Sizes Learn why size matters for birdhouses. Includes a table of best birdhouse dimensions for different species. May 29, 2021 at 01:13AM
The 60-Year-Old Scientific Screwup That Helped Covid Kill All pandemic long, scientists brawled over how the virus spreads. Droplets! No, aerosols! At the heart of the fight was a teensy error with huge consequences. May 29, 2021 at 01:16AM
[Solved] Tutorial: GPIO/I2C/SPI-access without root-permissions A great solution to a very specific problem I have been having! –> As you may have noticed, by default you do not have access to the GPIO-pins, the SPI-bus or the I2C-bus as a normal user and you have to use ‘sudo’ to access them or run an application that utilizes them; it is generally a good idea to limit access to such things for security, but on a dev-board like the UP and UP^2 it may be convenient to do development and testing as a regular user. May 27, 2021 at 04:25PM
How to build just one package using catkin_make? – ROS Answers: Open Source Q&A Forum How do I build just one package using catkin_make? I now that I can cd to the build directory and build there but that is inconvenient. And how do I build one package and its dependencies? May 26, 2021 at 01:06AM
The fastest way to clone an SD card on macOS – Jaimyn’s Blog If you have a raspberry pi or other single board computer and would like to make a backup of it, or even clone it to another SD card, then it can take a long time. Your first thought is to probably use the built in “Disk Utility”. Unfortunately this has issues reading linux partitions (well […] May 24, 2021 at 04:15PM
Checking Raspberry Pi Revision Number & Board Version – Raspberry Pi Spy Find the Raspberry Pi Revision Number and identify what Raspberry Pi model you have using these easy techniques. May 22, 2021 at 03:10AM
Understanding the Numbers and Letters on a LiPo Battery LiPo (lithium polymer) batteries: one of the greatest innovations in the RC universe yet, somewhat confusing. What do the numbers mean on a LiPo? What does the “C” mean? What does the “S” stand for? In this blog, we will decipher the LiPo code together. May 21, 2021 at 06:20PM
Raspberry Pi Headless Setup Using Linux [Step by Step] A step by step guide showcasing how to install Raspberry Pi without a keyboard and monitor, i.e., headless setup of Raspberry Pi using Linux. May 21, 2021 at 06:27PM
Robot Web Tools ROBOT WEB TOOLS ALLOWS WEB APPLICATIONS TO INTERFACE WITH A VARIETY OF ROBOTS RUNNING MIDDLEWARE LIKE THE POPULAR ROBOT OPERATING SYSTEM (ROS) USING THE LATEST IN HTML5 AND JAVASCRIPT. May 22, 2021 at 12:54AM