Troubleshooting Guides

Diagnose and fix common errors in Kubernetes, Docker, Terraform, and cloud platforms.

18 guides

Troubleshooting
Fix vLLM CUDA OutOfMemoryError in Kubernetes
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.
Critical ·vLLM·torch.cuda.OutOfMemoryError
Troubleshooting
Fix "Resource not accessible by integration" in GitHub Actions
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.
Warning ·GitHub Actions·Resource not accessible by integration
Troubleshooting
Fix OpenTofu Ephemeral Value in Non-Ephemeral Context
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.
Warning ·OpenTofu
Troubleshooting
Mitigate CVE-2026-20245: Cisco SD-WAN Manager Exploit Guide
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.
Critical ·Cisco SD-WAN Manager·CVE-2026-20245
Troubleshooting
Fix sts:AssumeRoleWithWebIdentity Error in EKS
Learn how to fix the 'Not authorized to perform sts:AssumeRoleWithWebIdentity' error in EKS by aligning IAM role trust policies with OIDC provider settings.
Critical ·eksctl
Troubleshooting
Fix ArgoCD OutOfSync With No Diff (Ghost Status)
Diagnose and fix ArgoCD OutOfSync errors with empty diffs caused by finalizers, aggregated RBAC, mutating webhooks, and metadata drift using CLI commands and...
Warning ·argocd·OutOfSync
Troubleshooting
Fix OpenTofu Registry Timeout Errors
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...
Critical ·opentofu·Client.Timeout exceeded while awaiting headers
Troubleshooting
Fix GitLab CI Docker daemon connection error in 3 steps
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...
Warning
Troubleshooting
Fix Flux SOPS illegal base64 data at input byte 0
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...
Critical ·flux·illegal base64 data at input byte 0
Troubleshooting
Kubernetes Zero Trust: Lesson from a Missing Namespace Tag
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,...
Warning
Troubleshooting
Troubleshoot Database Latency with Grafana Assistant
Practical guide to troubleshooting database latency with Grafana. Includes production-ready steps, dashboard setup, metric correlation, and proactive alerting for...
Warning
Troubleshooting
How to Mitigate Copy Fail (CVE-2026-31431) with Seccomp
Mitigate the Copy Fail (CVE-2026-31431) vulnerability in Linux kernels. Learn how to implement seccomp profiles for Kubernetes to prevent local privilege escalation.
Warning