Category: devops
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How a SHA-256 Manifest Makes a Deployment Safer
PowerShell examples for creating a SHA-256 manifest, verifying staged files, and switching IIS only after the release passes.
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How to Create an Omada Guest Wi-Fi Network with the API
A practical, public-safe guide to creating an isolated guest SSID on Omada-managed access points using the controller API.
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Immich v3 Upgrade: The Path, the Hurdles, and What We Learned
A real-world Immich v2.7.5 to v3.1.0 upgrade, including the PostgreSQL extension migration, a long vector-index rebuild, Docker container conflicts, and the checks that proved the service was healthy…
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PowerShell Script: List IIS Applications and Show the Last 10 Errors
Copy-paste PowerShell script for IIS servers. Lists every site and application with its pool, then shows the last 10 errors for the one you pick. Read-only, no admin…
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How TekOnline.com.au Works: Building and Managing a Small Technical Website
A practical look at running a small technical website and shop: product pages, blog posts, setup guides, automation, and keeping public writing separate from private operational notes.
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When Docker Starts Before Your Network Storage: Building a Safe Retry Watchdog
A Docker container can fail before its application process ever runs when an SMB or NFS mount is unavailable. Here is a reusable, app-agnostic way to wait for…
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Codex CLI YOLO mode. Auto-Allow Permissions: Run Commands Without Approval Prompts
Codex CLI asks for approval before it writes files or runs commands. Automation tasks stall while you answer prompts. This guide shows the flags and settings that let…
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IIS 403 Errors on Static Files After a Deployment
ASP.NET Core returned HTTP 403 for some static files. IIS Dynamic IP Restrictions limited concurrent requests. This guide shows the diagnosis and the fix.
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How We Eliminated Deployment Downtime with Docker DNS and Sequential Container Swaps
Every push to production killed all four containers for 2-3 minutes. Here’s how we cut that to 5 seconds using Docker’s built-in DNS resolver and sequential service recreation…
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Reliable Remote Desktop at Home with Tailscale and Guacamole
Set up browser-based remote desktop to any machine on your home network using Tailscale mesh VPN and Apache Guacamole. No port forwarding, no TeamViewer lockouts, no Chrome dependency.…