Aura Dev

Nginx Cheatsheet

Nginx configuration and commands.

Basic Commands

Service Management

sudo systemctl start nginx
sudo systemctl stop nginx
sudo systemctl restart nginx
sudo systemctl reload nginx
sudo systemctl status nginx

Configuration Testing

sudo nginx -t     # Test config
sudo nginx -T     # Test & dump config

Server Blocks (Virtual Hosts)

Basic HTTP Server

server {
    listen 80;
    server_name example.com www.example.com;
    root /var/www/example.com/html;
    index index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
    }
}

Reverse Proxy

Proxy Pass

server {
    listen 80;
    server_name api.example.com;

    location / {
        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}

Redirects & Security

HTTP to HTTPS Redirect

server {
    listen 80;
    server_name example.com;
    return 301 https://$server_name$request_uri;
}

Basic Auth

location /admin {
    auth_basic "Restricted Area";
    auth_basic_user_file /etc/nginx/.htpasswd;
}

What is Nginx?

Nginx is a high-performance web server, reverse proxy, and load balancer widely used to serve modern web applications.

This cheatsheet provides quick access to common Nginx configuration directives, server blocks, and command-line utilities.

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