Tag: #certificate
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 4 posts
Air-Gapped Kubernetes Day 2 Operations — How to Stop a Cluster From Dying of Certificate Expiry
What actually kills an air-gapped cluster is usually not some spectacular outage but certificate expiry. Let a year go by with nobody touching it and the API server quietly stops, and with no internet you cannot search y
2026-07-31 · 20 min read #kubernetes#air-gap#day2-operations#etcd#certificateTLS/SSL and PKI Complete Guide — Handshake, Certificate Chain, Cipher Suites, 0-RTT, and the Post-Quantum Era (2025)
Behind the little padlock in the browser address bar lie 30 years of cryptography, trust chains, and protocol evolution. How TLS 1.2 2-RTT became 1.3 1-RTT, how the certificate chain makes you trust a server you have nev
2026-04-15 · 12 min read #tls#ssl#pki#https#certificateSSL Certificate Operations Playbook: Zero-Downtime Renewal and Expiry Prevention
A comprehensive operations playbook covering the entire certificate lifecycle (issuance, deployment, monitoring, renewal, revocation). Covers zero-downtime renewal strategies, Prometheus-based expiry monitoring, incident
2026-03-08 · 21 min read #ssl#certificate#tls#devops#2026-03SSL/TLS Certificate Complete Guide: From Issuance to Auto-Renewal and Troubleshooting
A comprehensive practical guide covering SSL/TLS certificate fundamentals, Let's Encrypt automated issuance, Nginx/AWS environment configuration, certificate auto-renewal, and common error resolution.
2026-03-08 · 13 min read #devops#ssl#tls#certificate#security