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DevOps & SRE notes

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Helpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19

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تُعد قناة DevOps & SRE notes (@devops_sre_notes) في القطاع اللغوي الإنكليزية لاعباً نشطاً. يضم المجتمع حالياً 12 681 مشتركاً، محتلاً المرتبة 10 048 في فئة التكنولوجيات والتطبيقات والمرتبة 2 966 في منطقة الولايات المتحدة.

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بحسب آخر البيانات بتاريخ 14 يونيو, 2026، تحافظ القناة على نشاط مستقر. خلال آخر 30 يوماً تغيّر عدد الأعضاء بمقدار 228، وفي آخر 24 ساعة بمقدار 6، مع بقاء الوصول العام مرتفعاً.

  • حالة التحقق: غير موثّقة
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  • الاهتمامات الموضوعية: يركز المحتوى على مواضيع رئيسية مثل kubernete, cluster, author, engineering, monitoring.

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Helpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19

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أرشيف المشاركات
https://questdb.io/blog/questdb-cloud-kubernetes-operator/ The article from QuestDB discusses their transition to a Kubernetes Operator for their cloud operations. The switch involves moving from a provisioner-based system to a Kubernetes Operator, which manages complex operations and orchestrates features like automatic node failure recovery, High Availability, and Cold Storage. This new system simplifies provisioning by reducing code complexity and improving unit testing. It also offers benefits like auto-healing, easier upgrades, and improved control plane locality. The operator is designed to be a drop-in replacement for their current system, ensuring seamless transition and enhanced automation capabilities.

Tool to validate assumptions about the network https://github.com/hardbyte/netchecks/

This is the story of how we upgraded our fleet of 1200+ MySQL hosts to 8.0. Upgrading the fleet with no impact to our Service Level Objectives (SLO) was no small feat–planning, testing and the upgrade itself took over a year and collaboration across multiple teams within GitHub. https://github.blog/2023-12-07-upgrading-github-com-to-mysql-8-0/

Kubernetes Native Container Build Service https://github.com/buildpacks-community/kpack

Kubernetes object analysis with recommendations for improved reliability and security https://github.com/zegl/kube-score

Kubernetes tool for scanning clusters for network policies and identifying unprotected workloads. https://github.com/deggja/netfetch

Engineers and major companies are pushing a technology called L4S that they say could make the web feel dramatically faster. But how? https://www.theverge.com/23655762/l4s-internet-apple-comcast-latency-speed-bandwidth

As the owner of this channel, I'll leave a link to my personal microblog where I describe everything that I found interesting. It's not related to DevOps/SRE and is not a source of professional information. https://t.me/NomadicBytes

Learning how to build quality software is not part of computer science education. How do we learn it? https://www.florianbellmann.com/blog/never-taught-qa

A network diagnostic tool https://github.com/fujiapple852/trippy

Future proof secrets management https://github.com/candiddev/rot

We recently upgraded from Postgres 11.9 to 15.3 with zero downtime by using logical replication, a suite of support scripts, and tools in Elixir & Erlang’s BEAM virtual machine. This post will go into far too much detail explaining how we did it, and considerations you might need to make along the way if you try to do the same. https://knock.app/blog/zero-downtime-postgres-upgrades

Get instant insights on your Kubernetes clusters with our lightweight, plug-and-play performance monitoring tool https://github.com/oslabs-beta/KlusterView

K8s-Secret-Expiry-Controller is a Kubernetes operator that manages and tracks the lifespan of Kubernetes secrets. https://github.com/devops-360-online/k8s-secret-expiry-controller

https://www.datadoghq.com/blog/kubernetes-cpu-requests-limits/ The blog post delves into the intricacies of CPU requests and limits within Kubernetes. It discusses how these parameters affect container scheduling and resource allocation, and offers insights into troubleshooting and optimizing application performance.

Detailed post from Cloudflare about the latest security incident. Cloudflare is one of the most open companies that discuss problems within the company. https://blog.cloudflare.com/thanksgiving-2023-security-incident/

k'exp - Kubernetes Explorer https://github.com/iximiuz/kexp

A CLI utility for your Kubernetes nodes https://github.com/Kavinraja-G/node-gizmo