Writeup for Cert.se’s CTF 2024
I made an attempt to get as many flags I could in one day because that’s the amount of time I could set aside for this. I got five flags out of nine. I think...
Posts by Year
2024
Install a GUI application in Docker using Wine
Here’s a post I never thought I’d write…
Overlapping Docker network (subnet) gotcha
I have been running the good’ol docker-compose for too long and have been meaning to upgrade to docker compose for quite a while. Yesterday, it was time, but...
Conventional Semver
A successful company is able to provide a monetised solution to a user’s problem. That seems easy enough, but how do you know whether you’re building what yo...
Has DevOps become the new Agile, in a bad way?
I had not yet started working when the Agile Manifesto was written, but when I learned about it and its implications I was immediately hooked.
2023
The cost of commuting, why is it paid by the employee?
A 30 minute (one way) commute adds up.
Developer enablement – trust
This is my third post on the topic of developer enablement. The first one talked about the topic in general and the second one more specifically touched upon...
Developer enablement – the role of planning
In a previous post, I wrote about: Why developer enablement is a crucial part of DevOps. One key takeaway from that post was that:
2022
Service-to-service communication in Kubernetes
I post this to have a good reference (for myself and others) for a minimal Kubernetes manifest that allows service-to-service communication.
Different kinds of time
If you work full time, in Sweden, you spend about 2 000 hours per year doing your job. That’s a lot of hours, but depending on how you spend those hours the ...
Why developer enablement is a crucial part of DevOps
DevOps is a concoction of ideas which aims to help developers deliver higher quality software at a quicker pace.
Mirror GitHub repository to Azure DevOps
At a current client, we are migrating from Azure DevOps to GitHub. The DevOps Team (responsible for promoting and training developers in DevOps) was quick to...
Interacting With Kubernetes From A Pipeline
This post outlines how to create a Service Account in a Kubernetes cluster and how to make use of it in a GitHub Workflow.
Configuring sensitivity of Aqara Vibration Sensor using deCONZ (Home Assistant)
I have a vibration sensor from Aqara which monitors my laundry machine. However, the default sensitivity of the sensor is not sensitive enough to notice when...
Sharing your Internet connection between several apartments or houses
Recently, I have had several reasons to look into different ways to share one Internet connection between several apartments or houses on a property. I figur...
Belkin Pro Thunderbolt 4 Dock
In order to remedy the situation with the faulty USB-hubs in the various monitors I have tested, I bought a Belkin Pro Thunderbolt 4 Dock. It can do 5k2k @ 7...
Lenovo ThinkVision P40w-20 (I’m getting mad)
I’m going to keep this one short, because this is the (first, second, third) fourth post about monitors since I got the Dell U4021QW back in February.
Lenovo ThinkVision P40w-20 (the Dell is gone)
Yet again, another monitor post.
Dell U4021QW (Update)
In an earlier post, I wrote about my struggles to find a monitor setup that satisfies my quite modest requirements, as well as my initial encounter with the ...
Making macOS useable
I have been living without a laptop for over a year. Well, not really; I have had “work laptops”, but those have changed frequently as I have switched employ...
SLIs, SLOs, and SLAs
I just watched a Google Cloud Tech talk from 2019 called: DevOps Vs. SRE: Competing Standards or Friends. You can watch it on YouTube, HERE and if you want t...
A review of Dell U4021QW
Background
2021
Issues with Apple devices after upgrading UniFi AP
As I mentioned in my previous post about migrating my UniFi Controller I successfully re-adopted an AP that I had not touched for several years, using the Ho...
Migrate from old Unifi Controller to Unifi Controller in Home Assistant
I have been using my pfsense router (bought from teklager.se) together with a UniFi AP AC Lite for over three years. The combo has worked flawlessly, but som...
Two new projects, learning Svelte
Late April, a friend of mine asked the following questions in an IRC Channel: “Anyone knows where to find info about all Brazilian specialty coffees in Swede...
Setup a small Docker capable Ubuntu VM in TrueNAS Core
Create VM in TrueNAS Core
Python project template using Poetry
Lately, I have come to favor Poetry for both small and larger Python projects. I also use it extensively at work where it has proven itself really well. To m...
2020
Manually Upgrade Linux Kernel, Pop!_OS
Upgrading the Linux Kernel manually is simple!
Running Linux with RX Radeon 5500 XT
TL;DR: I have done the following, it is unclear to me exactly what is required. Maybe one day I’ll do a fresh install and try one thing at the time…
2018
Machine Learning and FreeNAS
TL;DR: I have finally found a reasonable way of conducting machine learning “research” with the help of my FreeNAS.