nginx.conf，修改80端口为87，还是无法重启。

# For more information on configuration, see:

#   * Official English Documentation: http://nginx.org/en/docs/

#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;

worker_processes auto;

error_log /var/log/nginx/error.log;

pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.

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;

    # Load modular configuration files from the /etc/nginx/conf.d directory.

    # See http://nginx.org/en/docs/ngx_core_module.html#include

    # for more information.

    include /etc/nginx/conf.d/*.conf;

    server {

        listen       87 default_server;

        listen       [::]:87 default_server;

        server_name  _;

        root         /usr/share/nginx/html;

        # Load configuration files for the default server block.

        include /etc/nginx/default.d/*.conf;

        location / {

        }

        error_page 404 /404.html;

            location = /40x.html {

        }

        error_page 500 502 503 504 /50x.html;

            location = /50x.html {

        }

    }

# Settings for a TLS enabled server.

#

#    server {

#        listen       443 ssl http2 default_server;

#        listen       [::]:443 ssl http2 default_server;

#        server_name  _;

#        root         /usr/share/nginx/html;

#

#        ssl_certificate "/etc/pki/nginx/server.crt";

#        ssl_certificate_key "/etc/pki/nginx/private/server.key";

#        ssl_session_cache shared:SSL:1m;

#        ssl_session_timeout  10m;

#        ssl_ciphers HIGH:!aNULL:!MD5;

#        ssl_prefer_server_ciphers on;

#

#        # Load configuration files for the default server block.

#        include /etc/nginx/default.d/*.conf;

#

#        location / {

#        }

#

#        error_page 404 /404.html;

#            location = /40x.html {

#        }

#

#        error_page 500 502 503 504 /50x.html;

#            location = /50x.html {

#        }

#    }

}