This is the definitive administration reference for the Yealin Billing Platform.
| Section | Description |
|---|---|
| Server Overview | Infrastructure, specs, SSH, URLs |
| Daily Operations | Startup sequence, health checks, deploying |
| Directory Structure | Every file and folder explained |
| Services & Systemd | Gunicorn, Celery, Nginx, PostgreSQL, Redis |
| Database Management | Backup, restore, queries, disaster recovery |
| Nginx & SSL | Config files, SSL certificates, adding domains |
| Email Configuration | SMTP, SPF, DKIM, testing, troubleshooting |
| Stripe & Webhooks | Payment flow, webhook setup, test cards |
| Twilio Configuration | CDR import, API keys, CLI matching |
| FX Rate System | Live rate, markup, Celery refresh |
| Billing Operations | Billing runs, invoice management, GST |
| Customer Management | Adding customers, CLIs, portal users |
| Rate Cards & Destinations | AU destinations, international, adjustments |
| Log Management | Log files, viewing, rotation, disk usage |
| Backups & Restore | Proxmox snapshots, DB backup, disaster recovery |
| Security | Permissions, passwords, API auth, secrets |
| Wiki Management | Docker, API, Claude sync |
| Troubleshooting | Common errors and fixes |