How to install DaVinci Resolve on Linux (Fedora Edition)

Hello everyone! 👋 In this article you will learn how to install DaVinci Resolve Free and Studio editions on Fedora 40 and Fedora 41. The first step is to download DaVinci Resolve from the official website, either with: Free Edition Studio Edition The next step is to download and install DaVinci Helper. sudo dnf copr enable -y herzen/davinci-helper sudo dnf install -y davinci-helper Once you’ve installed DaVinci Helper, the following steps are simple. Simply circle through the tabs to on the left and select the DaVinci Resolve zip file when prompted. ...

November 30, 2024 · 1 min · Denis Nutiu

How to install HP LaserJet 107a Drivers on Linux

Hello everyone! 👋 I’ve recently installed Fedora on my main PC and I wanted to write this post to serve me as a memo on how to install the HP LaserJet 107 printer driver. The driver should also be compatible with the following products and generally HP’s LaserJet 100 printer series. HP LaserJet 107a HP LaserJet 105a HP LaserJet 103a Installing the Drivers Installing the drivers requires Python3 available on your system if I remember correctly, it should be already available on Fedora and Ubuntu. ...

February 21, 2024 · 2 min · Denis Nutiu

Implementing cat with Kotlin Native

Introduction Hello! 👋 In this article we’ll implement the cat command utility which is used in many Unix like systems like Linux and macOS. To implement it, we’ll use kotlin and to drop the Java Virtual Machine (JVM). We’ll build a binary directly with Kotlin Native. In the end, we’ll get an executable that we can simply run on our Linux or macOS box. What is cat? The catutility which has purpose of concatenating files. You can use it by typing cat file.txt and it will output the contents of the file into the terminal. It also has more options like: usage: cat [-belnstuv] [file ...] which are documented in the manual pages. ...

December 24, 2023 · 5 min · Denis Nutiu

ncdu: NCurses Disk Usage

Hello everyone! 👋 This is a short article about a handy tool called ncdu. The tool helps you delete files and directories from your filesystem. I use it daily to clear junk files from my workstation and the servers that I’m working on. 🧹 The way it works is quite simple: Navigate to the directory you want to clean and type ncdu. Select and delete files and directories. Be cautious ⚠️ with what you’re deleting. Once you delete a file, it’s gone for real. 🗑️ ...

December 11, 2023 · 1 min · Denis Nutiu

How to fix DaVinci Resolve audio issues on Ubuntu 20.10

Hello 👋, To fix audio issues on a fresh install of DaVinci Resolve 18 on my Ubuntu 20.10 PC I did the following things: 1. List all the available sound cards cat /proc/asound/cards 0 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0xfc080000 irq 94 1 [AI1 ]: USB-Audio - RODE AI-1 RODE Microphones RODE AI-1 at usb-0000:2d:00.3-1.3, full speed 2 [Generic ]: HDA-Intel - HD-Audio Generic HD-Audio Generic at 0xfc400000 irq 96 3 [U0x46d0x81b ]: USB-Audio - USB Device 0x46d:0x81b USB Device 0x46d:0x81b at usb-0000:2d:00.3-1.4, high speed List all the available sound cards a chose a default. I like playing audio though my headphones when editing and the headphones are connected to my USB Audio Interface RODE AI-1, this is what I want to use as the default card. ...

December 11, 2022 · 2 min · Denis Nuțiu

envsubst – Substitute Variables for Environment Variables

Hi 👋, Introduction In this short article I want to showcase a nice and useful Linux command. The comand 🥁 envsubst 🥁. In short it Substitutes the values of environment variables. It’s great for populating configuration files with values from environment variables, a common operation for developers containerizing their applications. Example Usecase Let’s say we are containerizing an application and we have the following file configuration.yaml, and we want to modify the values of the environment field and the log_level field without adding the additional complexity of mounting the configuration.yaml file into the container/pod. ...

October 23, 2022 · 2 min · Denis Nuțiu

A custom HomeKit accessory with Python

Hi 👋, In this short article I want to showcase how I implemented a custom HomeKit accessory with python. My Home Assistant’s SD card died 🪦 a few days ago and the support for GPIO based sensors will be removed in newer releases. This makes it unsuitable for my needs, while giving me the perfect opportunity to try other things. To continue monitoring temperature and humidity in my home I’ve built a custom HomeKit accessory with HAP Python. ...

March 11, 2022 · 3 min · Denis Nuțiu

How to connect Ethernet devices to WiFi via WDS

Hi 👋, In this blog post I will show you how to connect an Ethernet only device to Wi-Fi using an extra router and the WDS functionality. I initially wanted to install the TP Link Archer T4U WiFi adapter driver on my Ubuntu 20.04 PC but unfortunately the driver is no longer supported. Since I really needed high internet speed for my PC, I decided to connect it via an Ethernet cable and buy another TP-Link router to use in WDS mode. ...

March 6, 2022 · 2 min · Denis Nuțiu

How to make RØDE audio interface work on Linux

Hi 👋, I have recently updated the firmware of my RODE audio interface from 1.12.x to 1.13, and the device was no longer working properly on Linux, it had trouble with the microphone. I found out that it was an audio sampling issue. dmesg -kH [feb21 16:20] usb 1-9.3: 1:1: cannot set freq 44100 to ep 0x82 [ +0,005008] usb 1-9.3: 1:1: cannot set freq 44100 to ep 0x82 [ +0,005019] usb 1-9.3: 1:1: cannot set freq 44100 to ep 0x82 [ +0,004971] usb 1-9.3: 1:1: cannot set freq 44100 to ep 0x82 [ +0,015019] usb 1-9.3: 1:1: cannot set freq 44100 to ep 0x82 To fix it, I did the following: ...

February 21, 2022 · 2 min · Denis Nuțiu

Home automation with Home Assistant on Raspberry PI – Getting Started

Hi 👋 The purpose of this article is to get you started quickly with a Home Assistant on a Raspberry Pi. It’s a simple walkthrough on how to install Home Assistant and configure it so it will boot with your PI. I will use my old Raspberry PI V3 board. Flashing the Raspberry PI OS You will need a microSD card of reasonable size, I’m using a 16GB one and a USB Adapter to connect it with my PC. ...

December 23, 2021 · 3 min · Denis Nuțiu