Ubuntu 18.04へinstallする方法 - Nginx

sudo apt update
sudo apt install nginx

$ sudo systemctl status nginx
● nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2019-12-04 11:53:18 UTC; 13s ago
     Docs: man:nginx(8)

参考

How to Install Nginx Web Server on Ubuntu 18.04