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Nnamdi Felix IbeSep 16, 2026 • 4 min read
Day 43: A Port Is Closed Until You Publish It, and an AZ Name Is Not an AZ
Today both tasks turned on reading a label correctly. A port number on the host is not the port...
#devops#docker#aws#containers
20 1
Nnamdi Felix IbeSep 18, 2026 • 4 min read
Day 44: Compose Stopped Needing a Version, and the CLI Gives You No Grace Period
Two defaults today, both of them different from what a reasonable person would assume. Compose no...
#devops#docker#aws#containers
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Sergey ShinderSep 20, 2026 • 2 min read
Our cluster had kept every job it ever finished
Deploys started failing on a Thursday morning. All of them, in every namespace, with the same messag...
#sergeyshinder#kubernetes#containers#devops
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Sergey ShinderSep 16, 2026 • 2 min read
The debug copy of our service was taking one request in three
A colleague opened our staging admin tool to check something unrelated and found a real customer's.....
#sergeyshinder#kubernetes#containers#devops
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Sergey ShinderSep 18, 2026 • 2 min read
Our pods slept for sixty milliseconds out of every hundred
Checkout latency at the ninety ninth percentile sat around nine hundred milliseconds, and the CPU...
#sergeyshinder#kubernetes#containers#performance
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Nnamdi Felix IbeSep 21, 2026 • 4 min read
Day 47: Copy Requirements Before the Code, and SQS Has No Priority Feature
Neither of today's tasks has a setting for the thing it delivers. Docker has no switch that makes...
#devops#docker#aws#containers
8 0
Sergey ShinderSep 17, 2026 • 2 min read
Half of our new capacity could not run our image
We added a node pool of cheaper instances on a Tuesday. A third less per hour for the same memory an...
#sergeyshinder#kubernetes#containers#devops
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Sergey ShinderSep 22, 2026 • 2 min read
Our cluster was full at nineteen percent CPU
A routine deploy sat in Pending at five past nine on a Monday. The event on the replica set said zer...
#sergeyshinder#kubernetes#containers#capacity
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Sergey ShinderSep 19, 2026 • 2 min read
The configuration we changed in June arrived one pod at a time in August
A support ticket said our dispatch emails were going out twice. Not always, not to any customer we.....
#sergeyshinder#kubernetes#containers#configuration
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Aditya RajSep 22, 2026 • 1 min read
The Linux process that even SIGKILL can't kill
URL: https://www.youtube.com/watch?v=TLaLW84egMk The short version, for anyone who'd rather read...
#linux#containers#docker
0 1
qyleron-devSep 19, 2026 • 6 min read
Defending Against Automated Botnet Floods Without Degrading Container CPU Footprints
A botnet-driven connection flood doesn't just threaten availability, it can quietly double or triple...
#cybersecurity#devops#opensource#containers
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EME GUGSep 22, 2026 • 2 min read
Why your Docker images are too big (and how to fix it)
I've seen production Docker images over 2GB. For a Node.js app. That's 10x larger than it needs to.....
#docker#optimization#devops#containers
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Rafael DutraSep 21, 2026 • 5 min read
Kubernetes no dia a dia - kubectl, Namespaces, ConfigMaps e Secrets
1. Retomando: de Conceitos a Comandos Na primeira parte desta série vimos o que é o...
#kubernetes#kubectl#devops#containers
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Rafael DutraSep 21, 2026 • 6 min read
Kubernetes - o que é, para que serve e conceitos iniciais
1. O Problema que o Kubernetes Resolve Rodar um container isolado, à mão, com docker run,...
#kubernetes#containers#devops#orchestration
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Nithu VarshiniSep 16, 2026 • 2 min read
Docker
Docker Desktop 1.Open terminal 2.Run docker pull nginx docker pull httpd docker pull...
#containers#devops#docker#tutorial
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Esandi LinaraSep 18, 2026 • 2 min read
Introduction to DOCKER
What is Docker? Docker is a tool that lets the user to package up an application along with...
#containers#devops#docker
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Shubham SharmaSep 19, 2026 • 5 min read
Capstone: Dockerize Your Own App End to End
The Docker Foundations capstone: take a real Express + Postgres app from source to a live HTTPS URL....
#docker#selfhosting#caddy#containers
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Vivian Chiamaka OkoseSep 18, 2026 • 3 min read
I Deleted the Same Pod Twice. Only One of Them Remembered.
Stateful vs stateless in Kubernetes, made concrete: self-healing, autoscaling, StatefulSets with per...
#kubernetes#devops#containers#cloud
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devtocashSep 18, 2026 • 10 min read
Kubernetes Pod Stuck in ContainerCreating (FailedCreatePodSandBox): How to Fix It
Kubernetes pod stuck in ContainerCreating with FailedCreatePodSandBox? Fix VPC CNI IP exhaustion, CN...
#kubernetes#devops#sre#containers
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Jerry H.Sep 23, 2026 • 5 min read
Choose a Linux Edge Gateway by Owning the Runtime Lifecycle
Choose a Linux edge gateway by defining runtime ownership, containers, storage, security, updates, r...
#linux#edgecomputing#containers#industrialiot
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devtocashSep 19, 2026 • 10 min read
AI Agent Sandbox on Kubernetes: Run LLM-Written Code in gVisor Jobs with No Network and No Credentials
Build an AI agent sandbox on Kubernetes: run LLM-written scripts in ephemeral gVisor Jobs with no cr...
#ai#kubernetes#security#containers
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