Christian Hascheks blog

If you have spent a few days online in self-hosting or [data-so..

Ever since the first Raspberry Pi came out I wanted to create some kind of cluster with them.

In 2020 just in between two lockdowns, my wife gave birth to our son Linus.

Let's Encrypt is one of these services that seemed impossible just a few years ago.

This blog is now 11 years old and I've been thinking about a comment system for some time.

For almost a year now I have been using Proxmox as my main hypervisor in my homelab.

Sometimes one needs to send a few SMS.

I have recently developed a slight obsession over Alpine Linux.

After building my own smart meter using 4$ in parts I started chec..

If you've ever thought of building a file server, you probably had one or more of these thoughts ..

A few days ago my wife got a text message that was obviously a bad phishing attempt !

If you are a homelabber or are in charge of a bunch of physical..

On the 3rd of February 2020 I received an encrypted email on 3 of my email addresses from a person c..

I was looking for a method to keep the plants happy without spending too much money on irrigation sy..

A few weeks ago something happened that wouldn't change how a small company in Vienna thinks about s..

Disclaimer: This article is the result of a few weeks of research.

Last week I got a message from my dad (who works with me at a client) with an image attached. !

edit Since I had so much success with my XP based grading system I thought I'd try to use actual gam..

As a geek who has a few servers and other devices at home I can't stop thinking about my power outpu..

So you have been scammed It's okay, it happened to the best and even large companies aren't bul..

The thing about the internet is, if you give people an open platform, the scum will follow.

Our Austrian banks (seemingly) hate developers as they don't give you an API to check banking statem..

This christmas I got this LED cactus lamp that seems to be in every store now.

**In this project I'll upgrade a cheap fish tank LED light to be dimmable, controllable via Wifi and..

We have been busy the last year in polishing up an internal tool to a finished product.

If you have invested in crypto currencies in order to hodl them you might find yourself checking the..

[update] I'm on some list now that I have written an article about some kind of "bomb", ain't I?

Since I got asked the question about safe storage of ETH a lot I thought I'd make a tutorial for..

When I first thought about implementing payment via a crypto currency I looked at the available solu..

I wanted to do this project for years but only recently decided to give it a try.

[update] I have extended the bot to be able to trade **E..

[Google recently](https://research.googleblog.com/2017/03/announcing-guetzli-new-open-source-jpeg.ht..

The result Github repo: [Link](https://github.com/geek-..

In the end of WW2, when Vienna was overtaken by allied forces, the Wehrmacht was pushed in the woods..

[Update] If you have been scammed then you might want to read my newer post [So you have been scamme..

<img class="img-thumbnail" src="https://www.pictshare.net/200/8bdc5ae944.jpg" style="float:right;" /..

[update] I've created a website called 0xf.at which hosts all my hackits.

[UPDATE] I've rewritten this article for a more modern approach: [My door sends me chat messages](ht..

I was reading an algorithm book the other day and found a rather interesting section about simulatio..

NOTE: For maximum fun, activate the [Cloud to butt](https://chrome.google.com/webstore/detail/cloud-..

So this is my first non-IT post on my blog and I hope it will help somebody save a few bucks.

I posted these photos initially on reddit/imgur and got overwhelmingly good feedback so I thought I'..

Note: This tutorial is working for Windows Server 2003 to 2012R2 with NPS installed.

Hello readers!

I recently moved and had the most geeky problem there is: **Where do I put my servers and the coffe..

Disclaimer: I'm not an electrician and I would not use this proof-of-concept in reallife because it ..

When I first heard about Chromebooks a few years ago, I thought the Idea is awesome but I didn't rea..

A few years ago I saw the blooming of new IRC communities.

In this project I will build a water cooled NAS made from [my 51$ water cooling solution](https://bl..