Grosan Flaviu Gheorghe

Grosan Flaviu Gheorghe

How to run ComfyUI on an NVIDIA 5090 GPU

These are my short notes on how to run ComfyUI on an NVIDIA 5090 GPU. The Blackwell architecture has been released Q4 2024, and is supported by nightly >= 12.8 pytorch builds. If you get “CUDA error: no kernel image is available for execution on the device” or “NVIDIA

Install qemu and libvirt on Fedora Silverblue 42

Short notes on how to install QEMU and Libvirt on Fedora Silverblue 42. Install packages and reboot: sudo rpm-ostree install libvirt-daemon-config-network libvirt-daemon-kvm qemu-kvm virt-install virt-manager virt-top virt-viewer systemctl reboot Start and enable libvirt daemon sudo systemctl start libvirtd sudo systemctl enable libvirtd

Mount NFS shared drives on Fedora Silverblue 42

Quick notes on how to mount NFS shared drives, on Fedora Silverblue 42. Install required packages: sudo rpm-ostree install guestfs-tools Add your shared drives to /etc/fstab: server_hostname:directory_path_on_server directory_path_on_client nfs defaults,nofail,x-systemd.device-timeout=9 0 0 Reboot: systemctl reboot

How to Install NVIDIA 5090 Drivers on Fedora Silverblue 42

5090 GPUs require NVIDIA drivers version 570 and above. These are available as open source kernel drivers. This brief tutorial documents how to install them on Fedora Silverblue or Kinoite 42. Step 1: Update your kernel sudo rpm-ostree upgrade systemctl reboot Step 2: Install required package sources, as per RPMFusion

D Programming Language - How To Install on Raspberry Pi 3

These are my notes on how to install a D Programming Language compiler along with it’s package management tool Dub and how to set-up a first “Hello World” project on a Raspberry PI running Raspbian. I’ve chosen the GDC compiler due to its comprehensive architecture support (https://wiki.

PHP 7 Object Properties Type Safety with Setters and Getters

PHP 7 introduces scalar type definitions: your function parameters can be of a given type, and function return type declarations ensuring your function will return results of a given data type. This can increase your code quality by enforcing a specific behaviour of your code, almost similar to how a

Cross-platform Desktop JavaScript 3D Game Engine with NodeJS, Electron and BabylonJS

Recently, I have been experimenting with writing 3D games – mainly for mobile Virtual Reality. Today I though I might want to have a go at writing a desktop 3D game, and played with Electron, NodeJS and BabylonJS so I can write my code in JavaScript and use HTML5 to develop

Web Application Performance Testing using Apache JMeter, Part 1: Install and Create Tests

PHPUnit and Selenium provide means for testing application functionality. But how can you test your application’s performance? Here Apache JMeter comes in handy, as a tool used for load testing functional behaviour and measure performance. JMeter is a desktop application, written in Java, made available as a package on

Setting up a FreeBSD multi-user git server

This is a quick note on how to create a multi-user git server hosted on your own FreeBSD set-up, using the SSH protocol for reading/writing from/to repositories. Steps to follow (as ‘root‘): 1. Install the ‘git‘ package: pkg_add -r git 2. Create a group called ‘gitusers‘: pw

Part 2: Real-Time Browser to Browser Communication, Adding Application Specific Events

In the previous part of this article, I wrote an introduction to Node.js and Socket.Io; presenting a basic server and client communication model. In this entry I am writing an extension to the Server and Client JavaScript objects, to allow for Application Specific Events. This provides the basic