Making Windows Test Harnesses Independent of Encoding and Git Defaults
Fix host-dependent Windows test failures by owning subprocess decoding and Git line-ending policy at the boundaries where test evidence and fixture state are created.
TYPECategories
DevOps
21 articles
Diagnosing 403s on Expiring Media URLs Across Proxy Exits
A route-aware method for separating expiry, redirect handling, and proxy-exit drift when a temporary signed media URL returns HTTP 403.
When a File Exists but Archiving Says It Does Not
A guarded, reversible recovery for a local task store whose persisted physical path no longer matched the application's logical home alias.
Repairing a Broken `rg` in Windows PowerShell
A practical fix for `rg` not found in PowerShell, from path diagnosis to verification with safe rollback guidance.
Repairing Store Downloads Across Service Proxy and CDN Paths
Diagnose a Store catalog that works while installation fails: align service proxy state, measure the content path separately, and recover only the proven stuck delivery item.
Resolving Git Conflicts Without Overwriting Staged Work
Treat the Git index as protected state: inspect unmerged stages, resolve only the conflicted path, and prove that unrelated staged work remains unchanged.
Preventing Duplicate Delivery Across Automation Threads
How a destination-and-content idempotency key, unknown-result handling, and repeated sibling-task checks can stop resumed automation from repeating an external side effect.
Making an Unattended Windows Display Blackout Remote-Aware
A remote-aware display guardian uses connection events, local input, cancellable deadlines, and fail-closed evidence to keep an unattended Windows workstation dark without interrupting active remote work.
Handing Off Automation Ownership Without Losing Recovery Evidence
A safe automation handoff separates live authority, recovery evidence, retired execution paths, and disposable local state before anything is removed.
Safely Revising Completed Jobs with a Fail-Closed State Machine
How an explicit revision lifecycle can reopen a completed external-delivery job without duplicating remote objects or trusting stale review evidence.
Pin Policy Snapshots Before Long-Running Automation Executes
How versioned policy snapshots keep active jobs and retries reproducible while new rules roll out prospectively.
Preventing CI Notification Storms on High-Churn State Branches
How to keep required repository checks meaningful when an automation branch frequently commits heartbeats, checkpoints, and other run state.
Recovering a Failed Automatic Proxy Group with a Local Failover Guard
How request-based health checks, bounded local control, and explicit ownership turned a stale automatic proxy group into a recoverable connection path.
When FFmpeg Reports a Corrupt WAV Tail, Inspect the Length Headers
How binary header inspection separated a WAV container-length defect from damaged audio, and how a verified rewrite made the file safe for stricter media pipelines.
Turning a Long-Term Learning Roadmap into an Evidence-Driven Feedback Loop
How idempotent daily plans, evidence-gated completion, spaced review, and bounded load changes turn a long roadmap into an executable learning system.
Assigning Incrementing Job IDs Without Duplicating Paid Work on Retry
How a stable allocation key and a process lock let a recurring paid pipeline create several jobs per period without duplicating work when a scheduled run retries.
Hibernating a Cloud Deployment to Zero Paid Resources Without Losing Recovery Proof
A recovery-first procedure for stopping a cloud workload, releasing every paid resource, and preserving evidence that the system can be restored.
Fixing Incorrect Direct Access with a Domain-Specific Proxy Rule
A local connectivity incident resolved by proving the remote service was healthy, isolating incorrect direct routing, and adding one precise proxy rule.
Launching Codex Without TUN Using the Current Windows Proxy
Making a Codex desktop launcher resilient to local proxy port changes while keeping failure handling safe.
Tracing Dubbo Connection Refused to a Container Memory Failure
A Dubbo connection failure investigation that moved from the deepest network exception to a stopped provider container and its memory limits.
Historical Note: Recovering fichil.com from a VPS Connection Refusal
A retained historical incident note: diagnosing the former fichil.com VPS from DNS and network reachability through listening ports, Nginx, and site files. Production now runs on Sites.