Author: Vratislav Hutsky

IPv6 with gateway in a different subnet

I’ve run across this peculiar problem. I was trying to set up IPv6 on a Centos 6 machine. I thought that it would be a simple task – a couple of minutes at most – as I had done that

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Raspberry Pi – analog output noise

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

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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header_checks and Spamassassin headers in Postfix 2.6

I’ve had this mail server of mine for some time. I was an early adopter of Gmail back then, but as years went on and it became obvious that messages were data-mined by Gmail, I eventually started running my own

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Apache and umask 002

I ran into a problem with Apache on Centos 6. For some time, I was the only person who had access to this particular machine so permissions were not a problem. However, now that somebody else is taking care of the website

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“Lazy” Synolocker

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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Blackthorne

Yet another game from the 90’s that I wanted to tick off as done. Here are a few screenshots:

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Centos 7 – bridge for KVM

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

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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Hardware repairs

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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