LiteLLM Proxy Setup: Docker, Virtual Keys, Budgets (2026)
Set up LiteLLM proxy v1.106 with Docker Compose or Helm: config.yaml, fallbacks, virtual keys with budgets and rate limits, plus fixes for common errors.
13 minOct 20, 2026How to Add Human-in-the-Loop Approval to a LangGraph Agent (2026)
Step-by-step LangGraph 1.2 guide: build a tool-calling agent with interrupt() approval before risky tools, persist it with the Postgres checkpointer, resume with Command, stream updates, deploy, and fix the common errors.
11 minOct 20, 2026How to Enforce Pod Security Standards with Kyverno 1.19 (2026)
Step-by-step: enforce Kubernetes Pod Security Standards with Pod Security Admission namespace labels and Kyverno 1.19 CEL policies. Helm install, audit then enforce, policy reports, mutate and generate policies, PolicyExceptions, and fixes for Kyverno webhook failures.
13 minOct 20, 2026Kubernetes Security in 2026: First Attack in 18 Minutes, and What Stops It
How Kubernetes clusters really get attacked in 2026: anonymous API access and RBAC abuse, cryptomining, exposed dashboards and Helm charts, IngressNightmare, plus Red Hat and Wiz survey numbers, the CIS benchmark, Pod Security Standards, user namespaces GA and image signing.
13 minOct 20, 2026Kyverno vs Gatekeeper vs ValidatingAdmissionPolicy in 2026
Kubernetes policy engines compared for 2026: Kyverno 1.19 (CNCF graduated, ClusterPolicy deprecated for CEL), OPA Gatekeeper 3.23 with CEL and generated VAPs, built-in ValidatingAdmissionPolicy (GA 1.30) and MutatingAdmissionPolicy (stable 1.36), latency numbers, and when to use which.
13 minOct 20, 2026How to Write Kubernetes NetworkPolicies: Default Deny to Egress (2026)
Step-by-step Kubernetes NetworkPolicy guide for 2026: default deny, allowing DNS, namespace and pod selectors, egress control, Cilium and Calico support, ClusterNetworkPolicy v1alpha2, testing with netshoot, and a troubleshooting table for blocked traffic.
14 minOct 20, 2026How to Fix ImagePullBackOff and ErrImagePull in Kubernetes (2026)
Fix Kubernetes ImagePullBackOff and ErrImagePull step by step: read the real event message, then fix wrong tags, moved Bitnami images, imagePullSecrets, ECR and Artifact Registry node permissions, Docker Hub 429 rate limits and arm64/amd64 mismatches.
13 minOct 20, 2026Ingress NGINX Is Retired: What Replaces It and How to Choose in 2026
Ingress NGINX stopped receiving fixes in March 2026 after seven CVEs in its final seven weeks. What retirement means, why IngressNightmare mattered, where Gateway API stands at v1.6, and how to pick between Envoy Gateway, Cilium, Istio, NGINX Gateway Fabric, Traefik and kgateway.
13 minOct 20, 2026GitHub Actions Security in 2026: 76 Hijacked Tags and the Fixes That Work
GitHub Actions security in 2026: what tj-actions, trivy-action, TanStack and issues-helper taught us about mutable tags and pull_request_target, plus SHA pinning policy, workflow lockfiles, immutable releases, attestations, zizmor and the new runner prices.
13 minOct 20, 2026How to Use GitHub Actions OIDC With AWS, GCP and Azure (2026)
Step-by-step GitHub Actions OIDC setup for AWS, Google Cloud and Azure with no stored secrets: trust policies pinned to sub claims, immutable subjects, environments, pinned actions, and fixes for sts:AssumeRoleWithWebIdentity, audience and AADSTS700213 errors.
14 minOct 20, 2026How to Detect Runtime Threats with Falco on Kubernetes (2026)
Step-by-step Falco 0.45 setup on Kubernetes: Helm chart 9.2.0 with the modern eBPF driver, default and custom rules, Falcosidekick alerts to Slack, tuning noise, Falco Talon response actions, drop metrics, and a troubleshooting table for driver errors.
15 minOct 20, 2026How to Use External Secrets Operator with Vault on Kubernetes (2026)
Step-by-step External Secrets Operator v2.13 setup with HashiCorp Vault, OpenBao or AWS Secrets Manager: Helm install, Kubernetes auth, ClusterSecretStore, ExternalSecret, rotation and reloads, ESO's 2025 release pause, alternatives, and fixes for SecretSyncedError.
14 minOct 20, 2026eBPF Explained (2026): Verifier, CO-RE, Cilium, Tetragon and sched_ext
What eBPF is in 2026 and how it works: the verifier and its 1 million instruction limit, CO-RE and BTF, Cilium 1.20 networking, Tetragon 1.7 enforcement, OBI and the OTel profiler, eBPF for Windows, sched_ext since Linux 6.12, and the real limitations.
11 minOct 20, 2026Hardened Container Images in 2026: DHI Free, Bitnami Gone, 515 CVEs to 0
Container base images in 2026 compared: Docker Hardened Images went free under Apache 2.0, Bitnami moved its catalog to bitnamilegacy, Chainguard cut its free tier to five images, and a grype scan of 12 base images found 515 CVEs in python:3.13 and zero in four minimal images.
12 minOct 20, 2026How to Scan Container Images with Trivy and Grype (2026)
Step-by-step guide to scanning container images with Trivy v0.76 and Grype v0.121: verified installs after the March 2026 Trivy compromise, image and SBOM scans, CI gates on fixable criticals, .trivyignore, VEX, and fixes for DB download errors.
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