Important Files & Folders
/etc/nginx/ - root configuration folder
/etc/nginx/nginx.conf - default configuration file, global settings for logging, tuning, etc
/etc/nginx/conf.d/ - files in this folder ending in .conf are loaded into the http block of the nginx configuration
/var/log/nginx/ - logs live here
Commands
nginx -v - print version
nginx -t - test configuration files
nginx -T - test configuration files and prints to screen
nginx -s signal - send stop, quit, reload, reopen signals to nginx