DevOps&SRE Library
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Библиотека статей по теме DevOps и SRE.

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Data-driven negotiation with SLIs, SLOs and Error Budgets

In this series of posts, I’m writing about using Service Level Indicators (SLIs) and Service Level Objectives (SLOs) in data-driven negotiations between Engineering, Product and Business to achieve this goal.

Part 1: https://medium.com/jump-start/data-driven-negotiation-with-slis-slos-and-error-budgets-1-2-8b23603b570e

Part 2: https://medium.com/jump-start/data-driven-negotiation-with-slis-slos-and-error-budgets-2-2-e52ebd5a9d4f
Pinterest’s Analytics as a Platform on Druid

In this blog post series, we’ll discuss Pinterest’s Analytics as a Platform on Druid and share some learnings on using Druid. This is the first of the blog post series with a short history on switching to Druid, system architecture with Druid, and learnings on optimizing host types for Mmap.

Part 1: https://medium.com/pinterest-engineering/pinterests-analytics-as-a-platform-on-druid-part-1-of-3-9043776b7b76

Part 2: https://medium.com/pinterest-engineering/pinterests-analytics-as-a-platform-on-druid-part-2-of-3-e63d5280a1a9

Part 3: https://medium.com/pinterest-engineering/pinterests-analytics-as-a-platform-on-druid-part-3-of-3-579406ffa374
Top 10 Kubernetes Application Security Hardening Techniques

https://blog.aquasec.com/kubernetes-hardening-techniques
kubeswitch

The kubectx for operators. kubeswitch (lazy: switch) takes Kubeconfig context switching to the next level, catering to operators of large scale Kubernetes installations. Designed as a drop-in replacement for kubectx.

https://github.com/danielfoehrKn/kubeswitch
Dynamic content for GitHub repository templates using cookiecutter and GitHub Actions

https://simonwillison.net/2021/Aug/28/dynamic-github-repository-templates
A Kubernetes engineer’s guide to mTLS

Mutual TLS, or mTLS, is a hot topic in the Kubernetes world, especially for anyone tasked with getting “encryption in transit” for their applications. But what is mTLS, what kind of security does it provide, and why would you want it?

https://buoyant.io/mtls-guide
Linux 5.14 SSD Benchmarks With Btrfs vs. EXT4 vs. F2FS vs. XFS

https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.14-File-Systems
Five Ansible Techniques I Wish I’d Known Earlier

1) --step
2) Inline logging
3) Run ansible-lint
4) Run ansible-console
5) The Ansible Debugger

https://zwischenzugs.com/2021/08/27/five-ansible-techniques-i-wish-id-known-earlier
Track Error Budget & Burn Rate automatically

An open-source tool designed to make Error Budget and SLO tracking simpler

https://slotracker.com
DevOps&SRE Library
SRE Teams #9: Delivery Center DeliveryCenter has about 600 employees. Their primary mission is to be OneStepToSell to restaurants and marketplaces. They connect the restaurants with many food apps, managing everything through a single platform. One hundred…
SRE Teams #10: Quintoandar

Quintoandar is an end-to-end solution for long-term rentals that, among other things, connects potential tenants to landlords and vice versa. Last year, they also expanded into connecting home buyers to sellers. Their long-term plan is to ​​evolve into a one-stop real estate shop offering mortgage, title insurance, and escrow services. They raised more than $700 million and are valued at $5.1 billion.

https://sreteams.substack.com/p/quintoandar
Five Ways Developers Can Help SREs

1. Scaling The Platform With The Concept Of A 12-factor App Method
2. Sharing Performance Testing Data Insights
3. Significance of Documentation and Configuration files
4. AIOps Supported System Admin Functionalities
5. Increasing Observability Of The System

https://www.squadcast.com/blog/five-ways-developers-can-help-sres
headscale

An open source, self-hosted implementation of the Tailscale control server

https://github.com/juanfont/headscale