technical - Page 4

Migrate qcow2 images from KVM to VMWare

I recently switched from Proxmox to ESXI for my primary Hypervisor due to better support for automation tools like Ansible and Terraform plus better integrations with Red Hat Satellite. I didn't fancy rebuilding some of my VMs and instead wanted to find out how to migrate them instead. If you were using qcow2 images for your KVM VMs this will also work from any KVM based system, not just Proxmox. First step is to convert your qcow2 image to a vmdk file that VMWare uses. I ran these steps on my

linux

Make your forward / back Mouse Buttons work with Synergy

Synergy is an application I use to share my keyboard and between a VFIO guest and host system. One thing has bugged me about it for ages but today I found a solution that...

3d printing

Disable autofocus in Octoprint with a Logitech C920 webcam

Whilst 3D printing I often check up on the print from another location and rely on being able to get a clear, high definition and sharp image. The C920 webcam from Logitech delivers great image quality but unfortunately the auto focus algorithm almost always choose the wrong focal point.

hardware

Awesomo Server - Build Log Entry #2

Things were getting a bit toasty in there. The watercooled Xeon E5 2690 v2 CPUs themselves were fine sitting at around 40c but the PCH (kind of like the Southbridge) and RAM were hitting 70c+ constantly.

3d printing

How to fix OctoPrint keeps running into communication errors and timeouts

I run OctoPrint on a Raspberry Pi connected with a USB cable. If you are doing this you must ensure that Settings -> RPi [off] is set.

3d printing

Eliminate 3d Printing Mesh Bed Leveling Globs on a Prusa i3 MK3

What am I talking about? These little dots that appear at every mesh bed leveling point where your nozzle is oozing a little filament out every time. They are annoying and can cause issues with larger prints.

3d printing

Printing a Temp Tower to get better quality 3D prints

In order to get the best quality prints it's important to know the correct temperature to print each filament at. Even just a 5c change can make all the difference to the performance of a filament. Here's how to slice and print a 'temp tower'.

linux

Don't dismiss Xfce

I'd liken Xfce to the VW Golf in some ways. Years of refinement is the only way to achieve the level of polish that both of these products have. No monstrous rethinks of how we use the desktops here. And that, is a good - no great - thing.

linux

Getting started with Ansible Galaxy

This article will cover some of the tips and tricks I learned as a Red Hat consultant working on this stuff every day, it's not perfect and there are probably better ways but here's my take.

3d printing

Smart RGB LED strips with Home Assistant

The trouble with any 'smart' device such as a Nest thermostat or Hue light bulb is that they require an internet connection and a company to be in business running a server that they connect to. If the product you just bought requires a cloud service to be available to function, you don't own it.

linux

New server build log

That means I need a lot of threads and a lot of memory and a lot of storage.

technical

New Hard Drive Rituals

That new hard drive. Should you trust it? Maybe. Edit: This article was originally published on https://blog.linuxserver.io. Over the last 10 years that I've been messing around with Linux servers (hence the name of the site by the way there's been one thing above all else that's always required special care - hard drives. They are mechanical beasts just waiting to eat your data at any time. Entire businesses are built around their inherent (un)reliability. Backblaze make a point every quarter

apple

Charging a Mac from a Lipo battery

This weekend we're going camping at Silverstone for the F1 where a considerable number of photographs are expected to be taken by yours truly. On a usual day at a motor racing event I take anywhere between 2-3000 images (spraying and praying) and that means in the evening I expect to be doing a fair amount of rejection editing. But how do you charge a laptop in a field next to a tent? Using some stuff I had lying around from my racing drone hobby, I'll show you how I am going to do it. Disc