AIOOS · PRACTICAL PROJECT PATHS

Build it. Launch it. Grow it.

Practical guides for independent builders to launch websites and AI services, troubleshoot problems and keep projects running safely.

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What are you trying to get done?

Start with the task, then open the guides you need.

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Latest updates

New guides and meaningful updates, with their dates clearly labeled.

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Website Guides

Fix Caddy Reverse Proxy 404 and 502 Errors: Upstream, Path, and Body Limits

A step-by-step guide to diagnosing and fixing 404 and 502 errors in Caddy reverse proxy setups by checking logs, upstream addresses, path stripping, and request body limits.

1 reads
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Servers & Deployment

Deploy Open WebUI with Docker and Persistent Storage

Run Open WebUI in Docker, persist application data, connect it to Ollama and add the production safeguards recommended by the project documentation.

28 reads
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Servers & Deployment

Install Ollama on Linux and Expose It Safely

Install Ollama on Linux, run a first model, verify the local API and understand why port 11434 should not be exposed to the public internet without authentication.

16 reads
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Website Guides

Help Baidu and Google Discover a New Website: A Practical SEO Checklist

Prepare useful pages, crawlable links, metadata, canonical URLs, robots and sitemap, then verify the site and submit it through Google Search Console and Baidu Search Resource Platform.

13 reads
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Website Guides

Secure a Linux Server with SSH Keys, UFW and Automatic Updates

Harden a beginner Linux server in the safe order: add an SSH key, verify a second session, allow SSH in UFW, open web ports and enable security updates.

2 reads
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Website Guides

Mastering Caddy Path Routing: Using handle_path to Fix 404 Errors in Subfolder Deployments

Learn how to troubleshoot 404 errors when deploying apps in subfolders with Caddy by understanding the difference between handle and handle_path path prefix stripping.

1 reads
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Servers & Deployment

Docker Full disk: Real occupancy is recognized before cleanup

A safe, step-by-step. Docker Disk takes the diagnostic guide. Learn how to distinguish mirrors, layers, volumes, and logs to prevent data loss during clean-up.

2 reads
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Website Guides

DNS Changes Not Working: Check the Record, Resolver and Cache

A step-by-step troubleshooting guide to identify why DNS changes are not resolving, covering authoritative records, TTL, local caches, and origin connectivity.

0 reads
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Start with a practical guide

Guides ordered by recorded page views. Choose the problem that matches your current task; views do not establish quality.

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Check whether a guide fits your setup

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RESOURCES I USE · REFERRAL

Two practical services to consider only when needed

This is not an automated ranking, and neither service is necessary for everyone. These are services I use, with the use case and limitations kept visible.

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