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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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Early RHEL 9/CentOS 9 Stream

By Vratislav Hutsky Posted on 1. 9. 2021 Posted in General thoughts, Operating systems Tagged with centos, linux, OS, RHEL

Even if it’s still in pre-Beta, it has been publicly known that RHEL 9.0 development is well under way for some time now. But that’s not all there is to it – not only is this information public, the development …

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RHEL 8 Beta

By Vratislav Hutsky Posted on 29. 12. 2018 Posted in Operating systems Tagged with desktop, kvm, linux, OS, RHEL

Beta version of Red Hat Enterprise Linux 8.0 was announced recently. It can be downloaded without any registration, or you can go through the Developers Program and get a subscription for development usage for free. I downloaded the ISO this …

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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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Centos 7 – bridge for KVM

By Vratislav Hutsky Posted on 25. 2. 2016 Posted in Operating systems Tagged with centos, linux, networking, OS

I got a machine on which I wanted to try Centos 7 and KVM virtualization. As usual, I had to search for how to do a network bridge as it’s been quite long since I did it last time (on …

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Systemd problem

By Vratislav Hutsky Posted on 11. 2. 2016 Posted in General thoughts, Operating systems Tagged with debian, OS

At home, I’ve been using rolling release of Debian for my desktop for quite some time. The good thing about it is that years go by and you need not worry about the end of life of this or that …

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Skype in Docker

By Vratislav Hutsky Posted on 15. 6. 2015 Posted in General thoughts, Operating systems Tagged with debian, OS

Although jabber is my preferred IM protocol, sometimes I have to communicate with people who, for some reason, only use Skype. On Debian, that can be quite a problem, supposing you are not particularly keen on weed infestation of your …

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CentOS 6 and MiniDLNA

By Vratislav Hutsky Posted on 8. 11. 2014 Posted in Operating systems Tagged with centos, OS

I’ve got a small home server made from a half-broken laptop nobody wanted any more. The screen was’t working, but otherwise the machine was fine, so I took it, shipped Centos 6 on it and it’s been serving as a …

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Mount a disk image containing LVM

By Vratislav Hutsky Posted on 3. 6. 2014 Posted in Operating systems Tagged with linux, OS

If you have an image with standard partitions, you can mount any partition as a loopback device using the offset given by fdisk: user@machine:/home/user# fdisk -l disk.img Disk disk.img: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total …

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Broken MATE panel

By Vratislav Hutsky Posted on 13. 4. 2014 Posted in Operating systems Tagged with debian, linux, mate, OS

Following an upgrade in Debian Jessie/testing, I was left with no panels at all after logging into the MATE desktop. Running dpkg -s mate-desktop, I saw that MATE had been changed to 1.8 from the previous 1.6 version. My first …

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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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