Christian Hollinger
1 months ago
How I run and deploy docker services in my homelab with Komodo and a custom CLI
Alterantive title: I try really hard not to move to Kubernetes.
DevOps
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Latest Posts
(20 found)
Christian Hollinger
1 years ago
Improving my Distributed System with Scala 3: Consistency Guarantees & Background Tasks (Part 2)
Improving Bridge Four, a simple, functional, effectful, single-leader, multi worker, distributed compute system optimized for embarrassingly parallel workloads by providing consistency guarantees and improving overall code quality (or something like that).
Scala
Programming
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Christian Hollinger
2 years ago
Moving a Proxmox host with a SAS HBA as PCI passthrough for zfs + TrueNAS
How to move a Proxmox host to a new m.2 SSD when using a LSI SAS HBA card to realize PCI passthrough for HDDs for zfs + TrueNAS.
Hardware
Tutorial
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Christian Hollinger
2 years ago
QGIS is the mapping software you didn't know you needed
QGIS is incredible: You can build maps that make use of the absolute wealth of public data out there and put Google Maps to absolute shame. This article is doing just that.
Data Visualization
Open Source
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Christian Hollinger
3 years ago
Tiny Telematics: Tracking my truck's location offline with a Raspberry Pi, redis, Kafka, and Flink (Part 2)
Tracking vehicle location offline with a Raspberry Pi, Part 2: Apache Flink, scala, Kafka, and road-testing.
0 views
Christian Hollinger
3 years ago
Tiny Telematics: Tracking my truck's location offline with a Raspberry Pi, redis, Kafka, and Flink (Part 1)
Building custom Linux images, dealing with a 40 year old GPS standard, & trying to shoehorn functional programming into Python: Tracking vehicle location offline with a Raspberry Pi. (Part 1)
Python
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Christian Hollinger
3 years ago
Functional Programming concepts I actually like: A bit of praise for Scala (for once)
Types, type classes, implicits, tagless-final, effects, and other things: Not everything in the world of functional programming is bleak and overly academic. A view on FP & scala concepts someone who loves to complain actually likes.
0 views
Christian Hollinger
3 years ago
Scala, Spark, Books, and Functional Programming: An Essay
Reviewing 'Essential Scala' and 'Functional Programming Simplified', while explaining why Spark has nothing to do with Scala, and asking why learning Functional Programming is such a pain. A (maybe) productive rant (or an opinionated essay).
Books
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Christian Hollinger
4 years ago
Building a Data Lake with Spark and Iceberg at Home to over-complicate shopping for a House
How I build what is essentially a self-service Data Lake at home to narrow down the search area for a new house, instead of using Zillow like a normal person, using Spark, Iceberg, and Python.
Data
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Christian Hollinger
4 years ago
Writing a Telegram Bot to control a Raspberry Pi from afar (to observe Guinea Pigs)
A quick project to write a Telegram chat bot that can control a camera, connected to a Raspberry Pi, to take pictures of things; or: Why I refuse to trust IoT vendors and do everything myself
0 views
Christian Hollinger
4 years ago
Raspberry Pi Gardening: Monitoring a Vegetable Garden using a Raspberry Pi - Part 2: 3D Printing
Part 2 of throwing Raspberry Pis at the pepper plants in my garden: On the topics of 3D printing, more bad solder jobs, I2C, SPI, Python, go, SQL, and failures in CAD.
Sql
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Christian Hollinger
4 years ago
Raspberry Pi Gardening: Monitoring a Vegetable Garden using a Raspberry Pi - Part 1
On how growing vegetables is more complicated than it looks, why bad soldering still works, on moving individual bits around, and what I learned about using technology where one probably does not need technology.
0 views
Christian Hollinger
4 years ago
Bad Data and Data Engineering: Dissecting Google Play Music Takeout Data using Beam, go, Python, and SQL
On the joy of inheriting a rather bad dataset - dissecting ~120GB of terrible Google Takeout data to make it usable, using Dataflow/Beam, go, Python, and SQL.
0 views
Christian Hollinger
5 years ago
Why I use Linux
One question I do get in earnest quite frequently is why I put up with running GNU/Linux distributions for development work. An attempt at a simple response.
0 views
Christian Hollinger
5 years ago
RE: Throw Away Code? Use go, not Python or Rust!
Responding to an article on using Rust for throw away code and prototyping: Making a case for go over Rust, Python, and perl.
Rust
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Christian Hollinger
5 years ago
A Data Engineering Perspective on Go vs. Python (Part 2 - Dataflow)
In Part 2 of our comparison of Python and go from a Data Engineering perspective, we'll finally take a look at Apache Beam and Google Dataflow and how the go SDK and the Python SDK differ, what drawbacks we're dealing with, how fast it is by running extensive benchmarks, and how feasible it is to make the switch
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Christian Hollinger
5 years ago
A Data Engineering Perspective on Go vs. Python (Part 1)
Exploring golang - can we ditch Python for go? And have we finally found a use case for go? Part 1 explores high-level differences between Python and go and gives specific examples on the two languages, aiming to answer the question based on Apache Beam and Google Dataflow as a real-world example.
Go
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Christian Hollinger
5 years ago
Goodbye, WordPress - Hello, Hugo & nginx
Ditching WordPress for a static site generator
Web Development
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Christian Hollinger
5 years ago
How a broken memory module hid in plain sight
How a broken memory module hid in plain sight – and how I blamed the Linux Kernel and two innocent hard drives
Linux
0 views
Christian Hollinger
6 years ago
Tensorflow on edge, or – Building a “smart” security camera with a Raspberry Pi
The amount of time my outdoor cameras are being set off by light, wind, cars, or anything other than a human is insane. Overly cautious security cameras might be a feature, but an annoying one at that...
AI
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