Learn Nginx from Scratch: A Step-by-Step Guide to Installation and Startup

This article introduces the basics of learning Nginx, emphasizing its lightweight, efficient, and flexible configuration, making it suitable for web server setup. The content includes: Nginx supports Windows and Linux systems. Installation is explained using Ubuntu/Debian and CentOS/RHEL as examples: for Ubuntu, run `apt update` followed by `apt install nginx`; for CentOS, first install the EPEL repository and then use `yum install nginx`. After starting with `systemctl start nginx`, access `localhost` to verify a successful default welcome page display. The core configuration files are located in `/etc/nginx/`, where the `default` configuration file defines listening on port 80, the root directory `/var/www/html`, etc. Common commands include starting/stopping, reloading, and syntax checking. It also mentions common troubleshooting (port conflicts, configuration errors) and methods for customizing the homepage. For Windows installation, download, extract, and start via command line. Finally, it encourages hands-on practice to master advanced features.