CatOps Digest 2023-02-19

What was on CatOps in the last couple of weeks…

Feb 19, 2023

Long time no news. Sorry for that. Yet, I have an excuse this time. I‘ve been to the FOSDEM and Configuration Management Camp conferences in Belgium.

You can read my notes here on Substack on in my blog.

CatOps Newsletter

My Notes from Fosdem & Config Management Camp

Sup! It’s been a while. So, both Fosdem and Config Management Camp conferences are back offline. Thus, I’ve spent a long weekend at my usual Belgian conferences. Here I want to share some notes with you from the talks I attended. I’m lazy, so I didn’t take notes in real-time. On one hand, this may be a reason these notes be not super accurate. On another …

2 years ago · 3 likes · Yura

Also, it was a Cats’ Day recently. You can find some cat photos in this thread on our Telegram channel, and of course I encourage you to send your cat’s photos as well!

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Weekly Donations

Charities featured in these weeks were:

UA Responders - tactical medicine and medical equipment.
Musicians Defend Ukraine - they cover various requests, which usually come from AFU fighters directly.
Long Hands of Territorial Defence - a project by Come Back Alive foundation. You can still support Chernihiv oblast there!

Time Sensitive

A vulnerability was discovered in both iOS and MacOS. Please, upgrade your Apple devices if you have any.

Digest

Terraform-hcloud-kube-hetzner - Terraform module to setup a lightweight K3s cluster in Hetzner cloud for pennies. View on Telegram.
The Hierarchy Lie - a blog post by Charity Majors on how chasing corporate hierarchy might be bad for your well-being. View on Telegram.
Summary “Five Steps to Make Your Go Code Faster & More Efficient” FOSDEM 04.02.2023 by Bartek Plotka - FOSDEM talk summary by a friend of mine. View on Telegram.
Summary “Squeezing a go function” FOSDEM 04.02.2023 by Jesús Espino, Mattermost - FOSDEM talk summary by a friend of mine. View on Telegram.
Summary “Recipes for reducing cognitive load” FOSDEM 04.02.2023 by Federico Paolinelli - FOSDEM talk summary by a friend of mine. View on Telegram.
Green Metrics - an experimental tool to measure energy impact and CO2 equivalent of your applications. View on Telegram.
Sustainability with Rust - a story of how Amazon increased their energy efficiency with Rust. View on Telegram.
S3 Encryption at Rest Does NOT Solve for Bucket Negligence - a blog post by “Last week in AWS” that explains that the new encryption of S3 objects by default by AWS is a nice feature, but not a security panacea. View on Telegram.
How Retool upgraded our 4 TB main application PostgreSQL database - a story of real-life large database migrations. View on Telegram.

Last but not least, I’ve finished post-processing the new episode of our CatOps voice chat (in Ukrainian). You can listen to it right here! Otherwise, it’s also available on the major podcast platforms.

Alternatively, you can “watch” it on YouTube:

Cheers, folks, and see you next time!