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

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How to reduce expenses on monitoring: be smarter about data

Monitoring can get expensive due to the huge quantities of data that need to be processed. In this blog post, you’ll learn the best ways to store and process monitoring metrics to reduce your costs, and how VictoriaMetrics can help.

This blog post will only cover open-source solutions. VictoriaMetrics is proudly open source. You’ll get the most out of this blog post if you are familiar with Prometheus, Thanos, Mimir or VictoriaMetrics.


https://victoriametrics.com/blog/reducing-costs-p2/index.html
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Backup K3s with Litestream

This blog post will give you a tutorial on how to back up a K3s single node control plane backed by sqlite3 with Litestream.


https://www.inovex.de/de/blog/k3s-backup-litestream
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netfetch

Kubernetes tool for scanning clusters for network policies and identifying unprotected workloads.


https://github.com/deggja/netfetch
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netshoot

a Docker + Kubernetes network trouble-shooting swiss-army container


https://github.com/nicolaka/netshoot
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directpv

DirectPV is a CSI driver for Direct Attached Storage. In a simpler sense, it is a distributed persistent volume manager, and not a storage system like SAN or NAS. It is useful to discover, format, mount, schedule and monitor drives across servers.


https://github.com/minio/directpv
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vhs

Write terminal GIFs as code for integration testing and demoing your CLI tools.


https://github.com/charmbracelet/vhs
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jd

jd is a commandline utility and Go library for diffing and patching JSON and YAML values.


https://github.com/josephburnett/jd
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rainfrog

a database management tui for postgres


https://github.com/achristmascarl/rainfrog
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metabase

The simplest, fastest way to get business intelligence and analytics to everyone in your company


https://github.com/metabase/metabase
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Microservices vs. Monoliths: Why Startups Are Getting "Nano-Services" All Wrong

From Monoliths to Microservices: Why Startups Should Avoid Premature Complexity


https://thiagocaserta.substack.com/p/microservices-vs-monoliths-why-startups
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How a tcpdump led us to a bug in Node's IPv6 handling

tl;dr: Node by default doesn’t implement the Happy Eyeballs algorithm for web requests, and therefore if a server has a broken IPv6 address that responds first, it will usually fail.


https://www.checklyhq.com/blog/how-a-tcpdump-led-us-to-a-bug-in-nodes-ipv6-handli
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The ultimate guide to on-call schedules

In this post, we’ll cover the basics of on-call scheduling, the different types of on-call schedules you can use and when each is most appropriate, best practices for managing on-call shifts, and all the mistakes people normally make along the way.


https://incident.io/blog/the-ultimate-guide-to-on-call-schedules
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GigaPaste

File sharing, url shortener and pastebin all in one place with QR code and curl support. Uses stream based cryptography and data processing that can handle gigabytes of data with fixed memory and cpu usage. It can run on anything including PaaS like repl.it or Render and is very easy to customize.


https://github.com/NRicode/GigaPaste
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yabe

The idea comes from the need to manage huge amount of YAML files in a GitOps environment. Especially when using ArgoCD multi-source apps with some common values and some overrides.
The tool helps to compute the common base configuration among multiple YAML files and generate differences for each file, reducing the duplication of configuration values.
It also provides the ability to sort YAML content based on user-defined configuration.


https://github.com/dvrkn/yabe
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lazywarden

Lazywarden is a Python automation tool designed to Backup and Restore data from your vault, including Bitwarden attachments. It allows you to upload backups to multiple cloud storage services and receive notifications across multiple platforms. It also offers AES encrypted backups and uses key derivation with Argon2, ensuring maximum security for your data.


https://github.com/querylab/lazywarden
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Why Kubernetes Was a Mistake for My SaaS Business

Navigating the Pitfalls: Lessons Learned from Implementing Kubernetes in a Small SaaS Business


https://sotergreco.com/why-kubernetes-was-a-mistake-for-my-saas-business
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tianji

Website analytics + Uptime Monitor + Server Status = Tianji

All in one project!


https://github.com/msgbyte/tianji
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beszel

A lightweight server resource monitoring hub with historical data, docker stats, and alerts.


https://github.com/henrygd/beszel
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sidekick

Sidekick is made to make your life easy as you deploy your applications. It’s meant for people who care about shipping as fast as possible while doing things the right way. Sidekick is designed to allow you to host multiple applications on a single VPS and take care of making them production ready. If you get enough traction, scale up your VPS and call it a day!


https://github.com/MightyMoud/sidekick
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astuto

Astuto is an open source customer feedback tool. It helps you collect, manage and prioritize feedback from your customers, so you can build a better product.


https://github.com/astuto/astuto
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fider

Fider is a feedback portal for feature requests and suggestions.


https://github.com/getfider/fider
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