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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 →

General thoughts

Wireguard and Mikrotik

Vratislav Hutsky Jan 22, 2026 Tagged with hardware, networking

To me, Wireguard and Mikrotik is a match made in heaven. I took to Wireguard immediately, it’s a super useful and super easy concept to adopt. With Mikrotik, it took me longer to find my way to it – both …

Wireguard and Mikrotik Read more →

General thoughts

Ejabberd certificates

Vratislav Hutsky Dec 1, 2025 Tagged with xmpp

I know that jabber/XMPP protocol has been out of fashion for some time, at least in the sense that most users wouldn’t be using a direct XMPP client these days. Of course, the protocol is not dead, there are a …

Ejabberd certificates 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 →

Operating systems, Web-related

RRD migration to different architecture

Vratislav Hutsky Apr 12, 2025 Tagged with debian, hardware, linux, OS, web

I have this old machine with an Atom CPU where I installed Debian in 2011 and it’s been running ever since (I just upgrade it to the next major version every two years). One time, I had to replace failing …

RRD migration to different architecture 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

Baikal as calendar server

Vratislav Hutsky Apr 21, 2024 Tagged with email, linux

Calendar and Tasks Like a lot of people, I’ve been more or less stuck with some parts of the Google ecosystem ever since the Gmail Beta times (an era when Gmail was truly an exciting turn of events as opposed …

Baikal as calendar server Read more →

Games

Doom 2

Vratislav Hutsky Dec 30, 2023 Tagged with games

About once in a year, usually during the Xmas break, there comes this time to dust off an old classic – Doom 2. To me, this is the paragon of all FPS games, mostly because by the time my parents …

Doom 2 Read more →

General thoughts

Dovecot backups with doveadm

Vratislav Hutsky Sep 10, 2023 Tagged with email, linux

As everything is a file in the linux world, migrating or backing up email boxes can be as simple as moving those files around in one way or another. But if you’re using the Dovecot/Postfix combination to handle your email, …

Dovecot backups with doveadm Read more →

Operating systems

Apache and GeoIP2 module

Vratislav Hutsky Nov 26, 2022 Tagged with apache, centos, linux, networking, web

Often, the Internet can seem like the wild wild west (or the wild wild east, depends on where you are located), and you can be fairly certain that any public facing service will draw some amount of brute force attacks …

Apache and GeoIP2 module 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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