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Category: Hardware

Observium alerts not working

By Vratislav Hutsky Posted on 2. 10. 2022 Posted in General thoughts, Hardware, Operating systems 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 …

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Debian buster and wake on lan

By Vratislav Hutsky Posted on 3. 3. 2018 Posted in Hardware, Operating systems 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 …

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Weekend hobby – PC cleaning

By Vratislav Hutsky Posted on 21. 1. 2018 Posted in Hardware 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 …

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

By Vratislav Hutsky Posted on 7. 1. 2018 Posted in Hardware, Operating systems 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. …

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Raspberry Pi – analog output noise

By Vratislav Hutsky Posted on 19. 2. 2017 Posted in Hardware 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 …

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Scroll emulation with Trackman Marble in Debian 9

By Vratislav Hutsky Posted on 4. 2. 2017 Posted in Hardware 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 …

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“Lazy” Synolocker

By Vratislav Hutsky Posted on 26. 3. 2016 Posted in Hardware, Operating systems 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 …

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Hardware repairs

By Vratislav Hutsky Posted on 1. 1. 2016 Posted in General thoughts, Hardware Tagged with hardware

I’ve been tinkering with my computers ever since the days of ZX Spectrum, more or less. In the last eight years or so, however, people would come to me with their broken laptops and computers every now and then. It …

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About me

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

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