ols.wtf / blog

A little about the blog

Zero-Downtime Kubernetes Deployments

When migrating services to shiny new cloud-native infrastructure, special care must be taken to ensure that releases that were zero-downtime continue to be so. When said service is the login system for your entire customer-facing product offering, a little extra effort is probably needed

It's Just a Monitoring Change

Have you ever had a seemingly innocuous change to one system affect another in a catastrophic way? If yes, you might notice a few familiar themes in this write-up. If no, then read it now, before it's too late.

The many (2) layers of ols

If you're on this site already, you probably know that my name is Oliver and that I prefer ols; but did you know that it's a multi-layered nickname?

Pizza 24/7: the pursuit of 100% uptime

This is a first-hand anecdote I often tell when talking about SLOs, SLAs, and system reliability. Someone asked that I write it down, so here it is. It's all about my favourite pizza shop as a student

Resolutions for 2023

As we approach the end of yet another wonderful year, it's time to reflect on what needs to change. Yes, one can make a change at any point during the year, but as we transition from one calendar year to another it feels right to look inward.

Search engine ideas

There is yet more big-web resistance brewing, and for this reason I think it's time that I dusted off an old project of a curated search engine that anyone can run their own instance of (not federated).

Blog improvements

While I am in the mood, I thought that I would document a few things that I want to get working on this new way of blogging that do just work on other platforms.

How I microblog

Given the general shithousery around Twitter at the moment, I thought it prudent to finally explain how I share my micro-thoughts with the world.

[Meta] a blog post about this blog

I've written a new blogging system, and frankly it is pretty cool.