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Category: Hardware

Hardware, Operating systems

Llama.cpp on Fedora 43 with CUDA support

Vratislav Hutsky Apr 4, 2026 Tagged with fedora, linux, llama.cpp

With every iteration and upgrade to a new major Fedora version, there goes this brand new adventure of making llama.cpp work again. What worked a year ago or even just a half a year ago may be water under the …

Llama.cpp on Fedora 43 with CUDA support Read more →

Hardware, Operating systems

Turn off screen on a headless machine

Vratislav Hutsky Nov 18, 2025 Tagged with hardware, linux

While playing with my homelab Forgejo instance, I needed a place where actions could be run. I was considering a virtual machine on my NAS but in the end, I dug up an old laptop that I haven’t been using …

Turn off screen on a headless machine Read more →

Hardware, Operating systems

Llama.cpp on Fedora 40 with cuda support

Vratislav Hutsky Jun 30, 2024 Tagged with fedora, hardware, linux, llama.cpp

Not long ago, I bought a laptop with Nvidia card. Partially because I wanted to check out some newer, fancy games (but in reality, when I do have some free time finally, I usually end up playing DOS games anyway). …

Llama.cpp on Fedora 40 with cuda support Read more →

General thoughts, Hardware, Operating systems

Observium alerts not working

Vratislav Hutsky Oct 2, 2022 Tagged with hardware, linux, OS

I’ve been running an instance of Observium for a couple of years now. I had set it up for the VPS which I’m running this blog on or for my home NAS, it’s really nice to be able to see …

Observium alerts not working Read more →

Hardware, Operating systems

Debian buster and wake on lan

Vratislav Hutsky Mar 3, 2018 Tagged with debian, linux, networking

For quite some time, I used to have a low-end motherboard that didn’t support Wake on LAN. So when I left for work or holiday, I would usually leave my home PC on, because sometimes I just needed to access …

Debian buster and wake on lan Read more →

Hardware

Weekend hobby – PC cleaning

Vratislav Hutsky Jan 21, 2018 Tagged with hardware

This is a PC that belongs to my brother in law. He hasn’t been using it for over a year, ever since he switched to Mac, so he’d like to get rid of it. It has i5 (Sandy bridge) inside …

Weekend hobby – PC cleaning Read more →

Hardware, Operating systems

KVM: Cannot find any matching source devices for logical volume group vg2

Vratislav Hutsky Jan 7, 2018 Tagged with centos, hardware, linux

I installed Centos 7 on a brand new machine about a half a year ago, and set up KVM with two data pools – one just a regular directory for old raw images, the second being an LVM volume group. …

KVM: Cannot find any matching source devices for logical volume group vg2 Read more →

Hardware

Raspberry Pi – analog output noise

Vratislav Hutsky Feb 19, 2017 Tagged with debian, hardware, NAS, OS, remote desktop

I got Raspberry Pi 2 as a present from my brother. It’s a nice toy, I was trying out OpenELEC, it makes for a really nice home theater in combination with a NAS on local network. The only drawback was …

Raspberry Pi – analog output noise Read more →

Hardware

Scroll emulation with Trackman Marble in Debian 9

Vratislav Hutsky Feb 4, 2017 Tagged with debian, hardware, linux, mate

Spending a lot of time with mouse and keyboard, I decided I would give it a try with trackball. A friend lent me Logitech Trackman Marble for a week to see if I can get used to it. The one …

Scroll emulation with Trackman Marble in Debian 9 Read more →

Hardware, Operating systems

“Lazy” Synolocker

Vratislav Hutsky Mar 26, 2016 Tagged with hardware, NAS

A funny thing happened to me the other day. Someone brought me a 4-bay Synology NAS which had been hit by ransomware called Synolocker. The usual scenario – the NAS was exposed to the internet, maybe not updated as regularly …

“Lazy” Synolocker Read more →

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About me

linkedinMy name is Vratislav Hutsky. I work as a Senior Manager at Red Hat. Before that, I was a freelance server admin and developer.

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