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⚡ AI Lessons

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
Prometheus Alerting Rules That Don't Cry Wolf
How to write Prometheus alerts that carry context, tolerate transient scrape blips, and page only when something is actually broken.

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
SealedSecrets: Storing Secrets in Git Without the Risk
How SealedSecrets lets you commit encrypted secrets to Git safely, why the real risk is losing the controller's private key, and how to back it up.

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
CloudNativePG: Running PostgreSQL in Kubernetes Without the Pain
Running PostgreSQL on Kubernetes with CloudNativePG: the Kyverno policy traps, SSL gotchas, read/write splitting, and the 16.4 segfault to avoid.

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
Kubernetes RBAC: Building Least-Privilege Service Accounts
Moving beyond cluster-admin for everything. A practical approach to scoping ServiceAccount permissions for production workloads and AI agents.

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
2mo ago
Kyverno Admission Controllers: Policy-as-Code That Actually Works
Moving beyond the happy path of Kubernetes policy enforcement. Real-world Kyverno pitfalls, mutation loops, and the gap between docs and production.

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
2mo ago
Unprivileged LXC + Docker: The runc Sysctl Permission Trap
Fixing the silent failure of sysctl settings when running Docker inside unprivileged Proxmox LXC containers.

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
3mo ago
NVIDIA Container Toolkit: Why the Default Runtime Matters
Fixing default runtime misconfigurations in NVIDIA Container Toolkit for GPU workloads

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
3mo ago
Helm fullnameOverride: Naming Sanity in ArgoCD
Avoid naming chaos in ArgoCD by using Helm fullnameOverride effectively

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
4mo ago
GitOps for Homelabs: How ArgoCD App-of-Apps Scales Your Cluster
Managing a homelab Kubernetes cluster by hand eventually breaks you. Not in a dramatic way — in a...

Dev.to · Guatu
☁️ DevOps & Cloud
⚡ AI Lesson
4mo ago
Building a Production Homelab: Multi-Node Proxmox Cluster with Kubernetes
Most homelab content stops at "I installed Proxmox on a NUC." This post goes further — how I built a...
DeepCamp AI