UEFI + LUKS + NVMe can be fun

Recently I get a new laptop at work. I finally wanted to make my dream come true and install Gentoo Linux on it. I’ve installed Gentoo already a few times so this wasn’t a big deal. Installing Gentoo is actually an awesome experience. I learnt so much when doing it for the first time. This time, everything went fine until I decided to install bootloader and boot the thing.

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Recent news in container tech: issue 2

This is an issue number 2 of what’s happening in the world of linux containers. We have 2 items on the menu for today:

  1. Kata containers 1.0
  2. Buildah 1.0

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Building Container Images with Buildah and Ansible

Update: I started a tool which simplifies all of this into a single command: TomasTomecek/ab.

Do you use Ansible roles to provision your infrastructure? And would you like to use those very same roles to create container images? You came to the right place!

We are working on a project (and you problably heard of it already) called Ansible Container. It’s not just about creation of container images. It covers the complete workflow of a containerized application. From build, local run, test to deploy.

In this blog post, I would like to show you how Ansible Container does those builds — from an Ansible role to a container image.

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Removing messages with notmuch

Disclaimer: this is very likely not safe, use it at your own risk, I don’t account for any harm.

So you can’t remove messages with notmuch:

While notmuch does not support, nor ever will, the deleting of messages...

That’s a fact. But what if it could help you with that? A lot actually.

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Non-blocking stdin with python using epoll

I was playing with epoll and was curious whether I can use it to monitor sys.stdin. The biggest issue was that sys.stdin.read() is blocking and I had no way to figure out whether I read the descriptor fully or not (making the epoll useless pretty much). Until I changed it to non-blocking with fcntl.

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LinuxCon ContainerCon Europe 2016

Here are my assorted notes from some ${subject} talks.

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Flock 2016: my notes

Last week we were at Flock 2016 which was held in Krakow, Poland. Awesome event, lots of news, great people, plenty of conversations and fun.

Here is a list of my notes:

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