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Archive for the ‘Server stuff’ Category

Linux Capabilities in a nutshell

April 24th, 2019 No comments

Capabilities are being used more and more, mainly thanks to SystemD, Docker and orchestrators like Kubernetes. But I think the documentation is a bit hard to grasp and I found some parts of capabilities implementation confusing so I decided to condense my current knowledge into a shorter article.

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How to boot Windows partition virtually under KVM with UEFI firmware

March 5th, 2018 11 comments

It is actually quite easy to boot Windows virtualized using KVM. But to properly use the UEFI bootloader, suitable QEMU arguments are required. Here is a lightly commented QEMU command I use to boot virtual Windows 10 I have on a separate partition.

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Categories: Linux, Server stuff Tags:

Setting up IPv6 using a DHCP client

October 21st, 2016 4 comments

Our ISP (internet service provider) finally started offering IPv6. On the server, I received static configuration. Here, they are using DHCP6 with prefix delegation and it isn’t as straightforward as one would expect.

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How to make RaspberryPi truly read-only, reliable and trouble-free

December 4th, 2014 93 comments

RaspberryPi is a nice, small device which can be used for various automation purposes, internet of things or as an advanced camera. I have been using 5 RPis as a camera with motion detection and post-processing. This application requires high reliability and it was a pretty long journey until all the issues were solved. Here I am writing the most important things I have learned so you don’t need to go through the same stuff again (my cameras were placed on a remote location, making the whole process more complicated).

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Categories: Electronics, Server stuff Tags:

A few notes about nginx

July 30th, 2013 No comments

Nginx is a great, fast HTTP server but I often stumbled upon some problems when configuring it. Mainly because the fact that official documentation is not concrete and clear enough.

That’s why I decided to write down some notes and experience I gained during nginx usage. Some of comments mentioned here may become obsolete or may not be true completely, but this is what I used and what worked for me.

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