Fix Chrome's Local Network Access on macOS for Good
Fix Chrome's ERR_ADDRESS_UNREACHABLE on macOS when local network permission is already enabled, using a persistent IP exception and a full restart.
Sep 17, 20262 min read
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Hide the Proxmox VE No Valid Subscription Popup
Hide the Proxmox VE subscription reminder with a small JavaScript edit, a backup, and rollback steps. Tested on PVE 9.2.18.
Sep 17, 20262 min read
How I Built a Free Company-Wide Outlook Signature Add-in
How I built a self-hosted Outlook add-in that applies company-wide signatures automatically, switches by From alias, and requires no per-user signature license.
Sep 2, 202612 min read
File Upload Architecture: Control in the App, Bytes in Object Storage
A production file upload architecture that keeps authorization, policy, and metadata in the application while sending large file bytes directly to object storage.
May 8, 20269 min read
Fail2Ban on k3s: Watching Pod Logs and Blocking Before NAT
A practical guide to using Fail2Ban with Kubernetes or k3s logs, preserving client IPs through Traefik, and blocking pod traffic in the raw table PREROUTING chain before Kubernetes service NAT rewrites the packet path.
May 6, 20267 min read
Do Not Run a Database in a Container Unless You Pin It
Running MySQL or PostgreSQL in Docker is fine. The real risk is blindly updating mutable image tags instead of pinning versions, testing upgrades, and planning rollback.
Apr 2, 20264 min read
Fix `brew upgrade codex` When Homebrew Says the Latest Version Is Already Installed
If Homebrew says Codex is already up to date even though the upstream cask is newer, the usual cause is a stale Homebrew API cache or a lagging mirror. Here is the exact fix and why it works.
Mar 27, 20263 min read
How to Implement Lenis in Next.js App Router
A practical guide to setting up Lenis in a fresh Next.js App Router project with TypeScript, including provider wiring, anchor links, sticky-header-safe section navigation, and programmatic scrolling with lenis/react.
Mar 27, 20267 min read
How to Merge GitHub Actions Pull Requests Automatically
A concise setup guide for GitHub Actions workflows that open pull requests and merge them automatically, including when to use GitHub auto-merge and when to merge the pull request immediately.
Mar 11, 20264 min read
Kubernetes ConfigMap Refresh Under FluxCD: What Actually Updates
A practical guide to how ConfigMap updates behave under FluxCD, including the difference between mounted files and environment variables, why some changes do not restart pods, and the rollout patterns that work best in GitOps.
Mar 10, 20266 min read