Nginx 常用命令和配置（CentOS 7.9）

1. 基本命令

启动/停止/重启

bash 复制代码

# 测试配置文件语法
sudo nginx -t

# 测试特定配置文件
sudo nginx -t -c /etc/nginx/nginx.conf

# 详细测试（显示配置内容）
sudo nginx -T

# 查看 Nginx 版本和编译参数
nginx -V

# 启动 Nginx
sudo systemctl start nginx

# 停止 Nginx
sudo systemctl stop nginx

# 重启 Nginx
sudo systemctl restart nginx

# 重新加载配置（不中断服务）
sudo systemctl reload nginx

# 查看状态
sudo systemctl status nginx

# 开机自启
sudo systemctl enable nginx

# 禁用开机自启
sudo systemctl disable nginx

2. nginx配置文件

sql 复制代码

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /var/log/nginx/access.log main;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    server {
        listen 80;
        server_name ye9060.com;

        location / {
            root /usr/share/nginx/html;
            try_files $uri $uri/ /index.html;
        }

        location /uploads/ {
            alias /var/www/uploads/;
            autoindex on;
        }

        location /api/ {
            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_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        location /ws {
            proxy_pass http://localhost:8080; # 确保 WebSocket 请求被正确代理到后端应用
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_cache_bypass $http_upgrade;
            proxy_read_timeout 300s;

#		    proxy_set_header  Host $host;
#		    proxy_set_header  X-Real-IP  $remote_addr;
#		    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
#		    proxy_set_header  X-Forwarded-Proto   $scheme;
#		    proxy_pass        http://127.0.0.1:8080/ws;
#		    
#		    # 关键配置 start
#		    proxy_http_version 1.1;
#		    proxy_set_header Upgrade $http_upgrade;
#		    proxy_set_header Connection "upgrade";
#		    # 关键配置 end
        }

        error_page 404 /404.html;
        location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            root /usr/share/nginx/html;
        }
    }

    server {
        listen 443 ssl http2;
        server_name ye9060.com;

        ssl_certificate "/etc/nginx/server/ye9060.com.pem";
        ssl_certificate_key "/etc/nginx/server/ye9060.com.key";
        ssl_session_cache shared:SSL:1m;
        ssl_session_timeout 10m;
        ssl_ciphers PROFILE=SYSTEM;
        ssl_prefer_server_ciphers on;

        location / {
            root /usr/share/nginx/html;
            try_files $uri $uri/ /index.html;
        }

        location /uploads/ {
            alias /var/www/uploads/;
            autoindex on;
        }

        location /api/ {
            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_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        location /ws {
            proxy_pass http://localhost:8080; # 确保 WebSocket 请求被正确代理到后端应用
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_cache_bypass $http_upgrade;
            proxy_read_timeout 300s;

#		    proxy_set_header  Host $host;
#		    proxy_set_header  X-Real-IP  $remote_addr;
#		    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
#		    proxy_set_header  X-Forwarded-Proto   $scheme;
#		    proxy_pass        http://127.0.0.1:8080/ws;
#		    
#		    # 关键配置 start
#		    proxy_http_version 1.1;
#		    proxy_set_header Upgrade $http_upgrade;
#		    proxy_set_header Connection "upgrade";
#		    # 关键配置 end

        }

        error_page 404 /404.html;
        location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            root /usr/share/nginx/html;
        }
    }
}