#troubleshooting

The GitLab CI error "dial tcp lookup docker no such host" means the docker:dind service alias never resolved. Here is the fast fix and the real causes.

The GitLab CI error Cannot connect to the Docker daemon at unix:///var/run/docker.sock means DOCKER_HOST is unset. Here is the fast fix.

A Flux SOPS MAC mismatch means an encrypted file was changed outside sops. Diagnose it and re-encrypt cleanly so kustomize-controller can decrypt again.

vLLM crashing with torch.cuda.OutOfMemoryError on Kubernetes? Tune gpu_memory_utilization, tensor_parallel_size, max_num_seqs, and max_model_len to fix it fast.

Your GitHub Actions job fails with 'Resource not accessible by integration' because GITHUB_TOKEN is read-only by default. Grant the exact scope it needs.

OpenTofu throws "Ephemeral value used in non-ephemeral context" when a temporary value leaks toward state. Here is what triggers it and the exact fix.

Detect, block, and patch CVE-2026-20245 critical RCE in Cisco SD-WAN Manager with firewall rules, iptables workaround, and official upgrade steps. Verify fix.

Learn how to fix the 'Not authorized to perform sts:AssumeRoleWithWebIdentity' error in EKS by aligning IAM role trust policies with OIDC provider settings.

Diagnose and fix ArgoCD OutOfSync errors with empty diffs caused by finalizers, aggregated RBAC, mutating webhooks, and metadata drift using CLI commands and...

Resolve 'Client.Timeout exceeded' errors in OpenTofu by increasing the HTTP timeout to 120s, enabling plugin cache, or using a registry mirror. Quick fixes for...

Fix the 'Cannot connect to the Docker daemon at' error in GitLab CI. Learn to add docker:dind service, set DOCKER_HOST, and enable privileged mode for reliable...

Diagnose and fix the Flux SOPS 'illegal base64 data at input byte 0' error caused by incorrect base64 encoding. Step-by-step solutions for encrypted secrets and a...

Stream Kubernetes pod status updates in real-time with `kubectl get pods --watch` for immediate debugging and observability. Learn practical use cases and filteri...

Learn why a missing namespace label breaks Kubernetes zero trust policies. This guide shows how to diagnose, fix, and prevent silent network failures with Cilium,...

Practical guide to troubleshooting database latency with Grafana. Includes production-ready steps, dashboard setup, metric correlation, and proactive alerting for...

Mitigate the Copy Fail (CVE-2026-31431) vulnerability in Linux kernels. Learn how to implement seccomp profiles for Kubernetes to prevent local privilege escalation.

Learn to fix CVE-2026-43284, the 'Dirty Frag Pod Escape' vulnerability in EKS. This guide provides practical steps, security best practices, and prevention strate...

Secure your AI agents by detecting and preventing malicious MCP skills. Learn to implement sandboxing, egress filtering, and zero-trust architectures.

Learn how to diagnose and fix Kubernetes pod failures. A practical guide to solving CrashLoopBackOff, OOMKilled, and Pending states in production.

Stop Kubernetes CrashLoopBackOffs. Learn how to diagnose OOMKilled pods, analyze memory working sets, and perform heap profiling to fix memory leaks.

Learn how to diagnose and fix Kubernetes CrashLoopBackOff in production. Step-by-step guide to exit codes, log analysis, and prevention strategies.

Learn how to use `kubectl set image` for rapidly rolling back to a previous container image in a Kubernetes deployment when problems arise, prioritizing speed and...

Stop Kubernetes CrashLoopBackOff crashes with this production triage guide. Learn to decode exit codes, analyze logs, and prevent OOMKills effectively.

CrashLoopBackOff means your container starts, crashes, and Kubernetes keeps restarting it. Here is how to diagnose and fix it in under 5 minutes.

Quick command to instantly find why your pod is crash-looping.