System:Service Management
Service Management
This document describes how to manage services in the reverse proxy system.
Nginx Service
Status Check
systemctl status nginx
Configuration Test
nginx -t
Reload Configuration
Reload nginx to apply new configuration (graceful, no downtime):
systemctl reload nginx
Restart Service
systemctl restart nginx
Logs
Access Logs
Location: /var/log/nginx/access.log
Records all HTTP requests Useful for traffic analysis and debugging
Error Logs
Location: /var/log/nginx/error.log
Records errors and warnings First place to check for issues
View Logs
tail -f /var/log/nginx/access.log tail -f /var/log/nginx/error.log
Maintenance
Regular Tasks
Certificate Monitoring: Verify auto-renewal is working (certbot handles this)
Log Review: Check nginx logs for errors or unusual activity
Package Updates: Keep nginx and certbot updated
Configuration Backups: Backup nginx configurations periodically
Backup Commands
= Backup nginx configurations = tar -czf nginx-config-backup-$(date +%Y%m%d).tar.gz /etc/nginx/sites-available/ = Backup SSL certificates (optional, usually not needed) = tar -czf certbot-backup-$(date +%Y%m%d).tar.gz /etc/letsencrypt/
Related Documentation
[Network Architecture](network-architecture.md) - Network overview Troubleshooting - Service troubleshooting