Create lab2-custom_config.md

Author: DumpySquare

lab2-custom_config.md

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+
+backup the original nginx config file - move it to a new name
+
+`sudo mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.old`
+
+make new nginx config file with the original name:
+
+`sudo vim /etc/nginx/nginx.conf`
+
+Add the following lines to the config file
+
+>     user www-data;
+>     worker_processes auto;
+>     pid /run/nginx.pid;
+>     include /etc/nginx/modules-enabled/*.conf;
+>     
+>     events {
+>             worker_connections 768;
+>     }
+>     
+>     http {
+>         access_log /var/log/nginx/access.log;
+>         error_log /var/log/nginx/error.log;
+>         include /etc/nginx/conf.d/*.conf;
+>         include /etc/nginx/sites-enabled/*;
+>     
+>         server {
+>             listen 83;
+>             return 200 "this server listens on 83\n";
+>         }
+>     }
+
+save and exit -> `ESC` -> `:x ENTER`
+
+`sudo nginx -s reload` -> to reload the config
+
+`curl localhost:83` to call the server listening on port83
+
+>     ubuntu@ip-10-1-1-4:/$ curl localhost:83
+>     this server listens on 83