查看nginx运行状态

server { 
    listen  *:80 default_server;
    server_name _;
    location /ngx_status {
        stub_status on;
        access_log off;
        #allow 127.0.0.1;
        #deny all;
    }
 }

# curl http://127.0.0.1/ngx_status

Active connections: 11921 

server accepts handled requests

 11989 11989 11991 

Reading: 0 Writing: 7 Waiting: 42