CODE EXAMPLE FOR SHELL

nginx error ~/Library/LaunchAgents/homebrew.mxcl.nginx.plist

launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.nginx.plist
sudo mv ~/Library/LaunchAgents/homebrew.mxcl.nginx.plist /Library/LaunchDaemons/
sudo launchctl load -w /Library/LaunchDaemons/homebrew.mxcl.nginx.plist
sudo brew services start nginx