Prometheus 101 (thread) 1⃣ Metrics A metric is a feature (i.e., a characteristic) of a system that is being measured. Typical examples: - http_requests_total - http_request_size_bytes - system_memory_used_bytes - node_network_receive_bytes_total

Evento show!

800 free computer science classes you can take online right now: bit.ly/800CSclasses

If you've ever interacted with a Kubernetes cluster in any way, chances are it was powered by etcd under the hood. But even though etcd is at the heart of how Kubernetes works, it's rare to interact with it directly on a day-to-day basis. Let's explore how it works in this 🧵!

"Platform Engineering" is rapidly becoming the new DevOps or SRE. Almost every day we hear about another org building an internal developer platform or control plane. Want to know what platform engineering is, where the trends are going, and why you should care? Read on 🧵👇

National Geographic Picture of The Year. Black images are shadows of zebras. Zoom in and you will see zebras.

Netshoot is a Docker + Kubernetes network troubleshooting swiss-army container ➤ github.com/nicolaka/netsh…

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How does HTTPS work? Hypertext Transfer Protocol Secure (HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP.) HTTPS transmits encrypted data using Transport Layer Security (TLS.) If the data is hijacked online, all the hijacker gets is binary code.

Holy macaroni. The O'Reilly Media book Observability Engineering is FINISHED!! Charity Majors reflects on the process of writing the book with Liz Fong-Jones (方禮真) 🦋 and George Miranda. Download yours FREE today and/or pre-order a hard copy. go.hny.co/37ACCWM

BIG change in K8s 1.24 about ServiceAccounts and their Secrets by Killer Shell itnext.io/big-change-in-…

The Uber hack is quite severe and wide ranging. Wishing their blue teams the best of luck and love during this understandably difficult period. Some thoughts & observations based on what we've seen so far 👉 1/N

A Thoughtworks Brasil apoiou MUITO a 2ª edição do The Lizard Book. Durante a pandemia, pude trabalhar a maior parte do tempo pesquisando, criando exemplos, atualizando, e revisando o livro para a Second Edition. Graças à Thoughtworks, agora temos o pythonfluente.com!

Part 1 of the Kubernetes and Platform Engineering blog series is released 🚀 Part 1 goes into: 1. Controllers 2. CRD's 3. Operators 4. How to build Operators Check it out at the link below 👇 #kubernetes #devops #platformengineering buff.ly/45AYREa

My recommended materials for cracking your next technical interview: Coding - Leetcode - Cracking the coding interview book - Neetcode System Design Interview - System Design Interview book 1, 2 by Alex Xu - Grokking the system design by Design Guru - Design Data-intensive

Open-sourcing over 100 byte-sized system design concepts with high-resolution diagrams. Goals: - Become a better engineer by understanding how systems work. - Prepare for system design interviews. What's included in the GitHub repository: - 100 byte-sized system concepts with

Videos from SREcon23 Europe/Middle East/Africa are now available to watch! Access them from the conference program page (bit.ly/sre23emeaprog) by clicking on the title of the talk you wish to watch. Scroll down and you'll find the video embedded there. (1/2)

We are pleased to announce that our Omni code base is now publicly available under the BUSL license! This means that you can now trial Omni by running it yourself or even run it for free for personal use! Head over to github.com/siderolabs/omni to take a peak at how it works!

If you're an SRE and are looking for some humor and a break during or after your incident, check out lazysre.com It's like XKCD, but for SREs. What a cool and cute project by Last9 folks!

TL;DR free Go course woo! bytesizego.com/mastering-go-w… I'm proud to announce "Mastering Go with GoLand", a new byteSizeGo course built in partnership with GoLand, a JetBrains IDE In this free course we will create two portfolio projects: a Go API and a full stack web app built using Go. Along