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Harikrishnan JR
$ DevOps Engineer | Kubernetes | Cloud | Automation
I build, break, and automate infrastructure at scale. Sharing real-world Kubernetes deep dives, CKA prep notes, troubleshooting war stories, and AI + DevOps experiments.
KubernetesDockerAWSAzureTerraformCI/CDLinuxPythonArgoCDPrometheus
3+
Years in DevOps
10+
Clusters Managed
CKA
Certified
∞
Coffee Cups
Latest Posts
From the trenches of production
kubernetestroubleshootingCKA
Kubernetes Pod CrashLoopBackOff: A Deep Dive into Real Troubleshooting
Walk through a real production CrashLoopBackOff incident — from discovery to root cause to fix. Includes kubectl commands, log analysis, and the exact YAML that caused the problem.
Dec 15, 2024·4 min
CKAkubernetescertification
CKA Exam Prep: The Commands I Used Every Single Day
The exact kubectl commands, YAML patterns, and mental models that got me through the CKA exam. No theory — just what actually works under pressure.
Nov 20, 2024·4 min
~/portfolio $ cat about.txt
Want to know more about my journey?
From first kubectl apply to managing multi-cloud Kubernetes clusters — I document everything.