[Disclaimer] I struggled a lot with writing this article, as K8S itself is way too big to grasp quickly and I had to make a lot of compromises on the structure and details for it all to make some sense. The article may feel dragged in some places, jumping from topic to topic yet I had to complete it, so sorry not sorry. GenAI has been used to generate the diagrams from the Kubernetes, Container-D and RunC codebase. ...
Heck, it’s been a while since I published any new posts. It’s not been much in terms of my activity all year round. I’ve managed to read a bunch of books, consume an enormous amount of anime content, work here and there, and did not have any capabilities to overcome my desire to write about “something worth writing about.” Yet perfect is the enemy of good, so here we are. ...
Disclaimer First, let me clarify: This post is not a sponsored advertisement. It’s simply a recounting of my journey and the satisfaction (or dissatisfaction) I derived from it. Any links here are not affiliated and are used only for reference. Recently, I made a significant stride in keeping up with the latest tech trends by upgrading all of my frequently used devices to the USB Type-C standard. This transition, largely influenced by EU legislation and the pressure it put on Apple, has been a game-changer in my tech setup. ...
Blindsight is when someone is blind and cannot consciously see things, but their brain can still sense and respond to visual information without them realizing it. Even though they are blind in some areas, their brain can still detect and react to things shown in their blind spots, without the person being aware of seeing them. This shows that there are parts of the brain that can process visual information without the person consciously perceiving it. ...
I’m easily addicted. Addictions change, but my current ones are Call of Duty: Modern Warfare 3 multiplayer and Sudoku. Considering the latter, I have a soft spot for the mind-numbness and peace it gives me. It’s just you, numbers, and pretty evident strategies to win. At some point, I decided that I needed to quit this ugly habit that breaks the lives of millions of people and causes family splits. I had a spare weekend and not a lot of things to do, so I decided the best thing was to make a sudoku solver. I would get a screenshot or a photo of a sudoku puzzle, parse it, solve it, render a solution, get a dopamine boost in the world of excruciating nothingness, and go on with my life. ...
I loved reading books about how to make your life better. I adored reading productivity books. There’s a dynamic in this kind of non-fiction literature, depicting a shift from being a productive machine to a fulfilled human being, living in a mindfulness state, fulfilling her sense of meaning. The book in question is on the latter side of the spectrum. The author describes the Essentialism principles and how to apply them to your life: ...
Part 2: Docker Containers and graceful shutdown Part 1: Signals and Linux Part 2: Containers and signals Part 3: Graceful shutdown of K8S pods [you’re here] Part 4: Django and Gunicorn [WIP] Part 5: Celery [WIP] Part 6: Other frameworks and libraries [WIP] Intro The previous chapter was difficult, and I assumed things would get easier along the way. Little did I know. Instead of discussing the actual graceful shutdown topic, this post will focus more on the overview of the modern state of containers application. ...
Part 1: Signals and Linux Part 1: Signals and Linux [you’re here] Part 2: Containers and signals Part 3: Python and signals Part 4: Django and Gunicorn [WIP] Part 5: Celery [WIP] Part 6: Other frameworks and libraries [WIP] Intro There’s been quite a lot of issues surrounding application shutdowns in my line of work. Connections not being correctly closed, incoming requests being processed when they shouldn’t have been, various quirks around how new deployments affect customers during busy hours. I’ve decided to familiarize myself more with the topic and that’s quite a lot going on there. ...
It’s not been quite long enough since I’ve wrote my first article about blog deployment and I already to change quite a lot. OrangePI 5 is not stable enough At first, the idea of doing a reliable, always accessible website on the small computer under your TV was stupid. I’ve stumbled upon the power management issues with my USB-attached SSD drive. All of a sudden filesystem became read-only and the whole infrastructure went south. Static deployments were unavailable, as well as analytics. I had to swap the USB-drive in favour of the M2 small NVMe which made the system a lot stabler but still, too unpredictable. ...
Somewhere on the vast landlines of X (former Twitter), I stumbled upon the recommendation of this book. It had a funny cover and a word of advice from some quite reputable, so I had no other way but to read it. The book’s central theme is practical problem-solving in human-built systems with some possible biases and sometimes irrational behaviors. By a set of reality-based examples, full of humor, we’re driven through a journey addressing the core of problem-solving: what it is the real problem to solve and whether it should be solved in general. ...