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Project Maintainer Post
When Kubernetes restarts your pod — And when it doesn’t
A production internals guide verified against Kubernetes 1.35 GACompanion repository: github.com/opscart/k8s-pod-restart-mechanics The terminology problem Engineers say “the pod restarted” when they mean four different things. Getting this wrong leads to flawed runbooks and bad on-call decisions....
March 17, 2026 | Shamsher Khan, Project Maintainer
Showing 36 of 2674 posts
Kubestronaut Post
Whose GPUs are these, anyway? Secure, self-service metrics for multi-tenant Kubernetes
The question that stopped the meeting It was a routine cost review. The slide showed the month’s GPU spend, the biggest line on the whole infrastructure bill, and someone asked a five-word question: “Are we using...
September 9, 2026 | Bingi Narasimha Karthik (Golden Kubestronaut, Adobe) and Ramkumar Nagaraj (Golden Kubestronaut, Adobe)
Kubestronaut Post
Metal3 meets KubeVirtBMC: Provisioning KubeVirt VMs like bare metal
In the previous post , we introduced KubeVirtBMC and showed how it provides virtual BMC endpoints for KubeVirt VMs. We tested it with raw IPMI and Redfish commands. That was fun, but the real power of...
September 2, 2026 | Anish Bista (CNCF Kubestronaut) and Zespre Chang (Creator of KubeVirtBMC)
Kubestronaut Post
Eleven minutes, zero humans: Building a self-healing Kubernetes upgrade pipeline on Kairos
Once upon a time, upgrading a Kubernetes control plane meant staying awake for it. SSH into every node. Run the upgrade by hand. Watch etcd health the whole time, hoping quorum holds through every reboot. This...
August 14, 2026 | Olivier Calzi | CNCF Golden Kubestronaut
Kubestronaut Post
How Japan’s 250% Training Surge is Shaping Global AI Talent
The first KubeCon + CloudNativeCon Japan took place in Tokyo in June 2025 and kicked off a cloud native skills boom in the region. In the twelve months since the conference, Kubernetes exams taken in Japan...
July 28, 2026 | Christophe Sauthier, CNCF
Kubestronaut Post
When Kubeflow meets Cilium: Debugging 60% idle GPUs in Kubernetes
The symptom that made no sense The first time we saw it, we didn’t trust the dashboard. A distributed training job was scheduled and healthy — every pod was running, no crashes, no OOMKills, nothing in...
July 23, 2026 | Ramkumar Nagaraj (Golden Kubestronaut, Adobe) and Bingi Narasimha Karthik (Golden Kubestronaut, Adobe)
Kubestronaut Post
Building a cloud native internal developer platform with Kubernetes, GitOps, and supply chain security
Modern software delivery is no longer constrained by application code — it is constrained by the platform that runs it. This article presents the design of a cloud-native Internal Developer Platform (IDP) built on Kubernetes and...
May 29, 2026 | Abu Hena Mostafa Kamal, CNCF Kubestronaut and Senior Software Engineer
Kubestronaut Post
From public static void main to Golden Kubestronaut: The Art of unlearning
Ten years ago, my entire world fit inside a public static void main. I was a Java developer. Infrastructure? That was someone else’s problem a black box where my JAR files went to live, or quietly...
April 20, 2026 | Pavan Madduri, CNCF Kubestronaut
Kubestronaut Post
Peer-to-Peer acceleration for AI model distribution with Dragonfly
The problem: AI model distribution is broken at scale Large-scale AI model distribution presents challenges in performance, efficiency, and cost. Consider a typical scenario: an ML platform team manages a Kubernetes cluster with 200 GPU nodes....
April 6, 2026 | Pavan Madduri, CNCF Kubestronaut
Kubestronaut Post
Celebrating 100 Golden Kubestronauts
The Kubestronauts program has been growing at an incredible pace. We recently celebrated over 2000 kubestronauts across the globe, and today we’re excited to celebrate another milestone: over 100 Golden Kubestronauts have achieved Golden status in...
August 21, 2025 | Christophe Sauthier, Cloud Native Training and Certification Lead
Kubestronaut Post
Kubestronaut in Orbit: Jana Vonšák
Get to know Jana We’re thrilled to recognize Jana Vonšák from Slovakia as our first-ever female Golden Kubestronaut. A dedicated DevOps Security Engineer with a background in software development, Jana brings a rare blend of development...
April 29, 2025
Kubestronaut Post
Kubestronaut in Orbit: Iliyan Petkov
Get to know Iliyan His fascination with computers and electronics began early, sparked by his father and fueled by various games and sci-fi movies. Over the years, he developed a passion for open-source technologies, system administration,...
April 8, 2025
Kubestronaut Post
Kubestronaut in Orbit: Willem Berroubache
Get to know Williem Willem Berroubache is a cloud native and Security Architect based in Paris, France, currently working at Orange. Over the years, he has worked on private cloud security use cases and telco cloud...
March 19, 2025
Kubestronaut Post
Kubestronaut in Orbit: Gerardo López
Get to know Gerardo Gerardo is a passionate Cloud Native Advocate, Kubernetes expert, and Docker Captain with a strong focus on DevOps, software development, and security. Based in Costa Rica, he has earned several certifications, including...
March 6, 2025
Kubestronaut Post
Kubestronaut in Orbit: Samah Eddaoudi
Get to know Samah This week’s Kubestronaut in Orbit is Samah Eddaoudi! As a recent graduate in networks and telecommunications, Samah transitioned into the field of DevOps and cloud engineering, building on her strong technical foundation....
February 26, 2025
Kubestronaut Post
Kubestronaut in Orbit: Nelson Hilario Filipe
Get to know Nelson This week’s Kubestronaut in orbit is Nelson Hilario Filipe, a DevSecOps Engineer and our first Kubestronaut in Mozambique. Nelson has a strong passion for shift-left security, and embarked on the Kubestronaut program...
February 11, 2025
Kubestronaut Post
Kubestronaut in Orbit: Shikha Priyedarshi
Get to know Shikha This week’s Kubestronaut in Orbit is Shikha Priyedarshi, a DevOps Engineer based in Pune, India. Shikha has experience delivering products in every phase, from requirements gathering to final delivery. She specializes in...
January 29, 2025
Kubestronaut Post
Kubestronaut in Orbit: Sathish Kumar Venkatesan
Get to know Sathish This week’s Kubestronaut in Orbit is Sathish Kumar Venkatesan, an IT professional from Brampton, Canada, with over 16 years of diverse experience spanning cloud technologies, DevOps, and system administration. Currently serving as...
January 14, 2025
Kubestronaut Post
Kubestronaut in Orbit: Sofonias Mengistu
Get to know Sofonias This week’s Kubestronaut in Orbit is Sofonias Mengistu, a DevOps Engineer at Gebeya.INC based in Addis Ababa, Ethiopia. With 14 years of IT experience—five of those dedicated to cloud-native technologies—Sofonias has led...
December 31, 2024
Kubestronaut Post
Announcing 1000 Kubestronauts
CNCF is excited to share that since launching the Kubestronauts program less than a year ago, over 1000 Kubestronauts have joined the program. A special welcome to our 1,000th Kubestronaut, Remy Mollandin! Each of these 1000+ Kubestronauts...
December 20, 2024
Kubestronaut Post
Kubestronaut in Orbit: David Mukuzi
Get to know David This week’s Kubestronaut in Orbit, David Mukuzi, is a DevOps Engineer in Nairobi, Kenya. David is driven by a deep-rooted enthusiasm for continuous learning and exploration of emerging technologies. He enjoys working...
December 17, 2024