AIOOS FIELD GUIDE LIBRARY

Practical guides for websites, servers and deployment.

Search tested steps, decision guides and troubleshooting notes without wading through an unrelated tool directory.

  • Decisions before commands
  • Checks after every critical step
  • Limitations and update dates kept visible

8 guides

01
Servers & DeploymentProduction Operations on a Single Server

Run a Web Application as a systemd Service

Move an app out of a temporary terminal session. Define a dedicated user, working directory, environment file, restart behavior, and logs, then verify the service safely.

02
Servers & DeploymentProduction Operations on a Single Server

Host Multiple Websites on One Server with Caddy

Route each domain to its own local service with Caddy. Check DNS, upstream addresses, HTTPS, configuration validation, safe reloads, and every affected site.

03
Servers & DeploymentProduction Operations on a Single Server

What to Monitor on a Small Website Server

Start with user-visible availability, then watch application health, CPU, memory, disk, backup age, and logs. Set alerts that reflect sustained problems rather than brief spikes.

04
Servers & DeploymentProduction Operations on a Single Server

Troubleshoot 502, 504, and HTTPS Errors Layer by Layer

Trace faults through DNS, network access, TLS, Caddy, the local upstream, application, and database using evidence at each layer instead of blindly restarting the server.

06
Website GuidesYour First Website: From Server to Search

How Caddy Automatic HTTPS Works and How to Troubleshoot It

Understand Caddy automatic HTTPS, verify DNS and ports in order, inspect service logs and solve common certificate failures without destructive guesswork.

07
Website GuidesYour First Website: From Server to Search

Deploy Your First Static Website to a Linux Server with Caddy

Upload a local HTML and CSS site to a safe web directory, install Caddy, configure the domain, validate the configuration and publish without exposing a development server.

08
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.

RESOURCES I USE · REFERRAL

Two practical services to consider only when needed

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