chmod u+x start_server.sh
./start_server.sh
bash : ./ngrok authtoken 'your_auth_token' bash : ./ngrok tcp -region='your_region' 'server_port'
us: United States eu: Europe ap: Asia-Pacific au: Australia sa: South America jp: Japan in: India
Go to server.properties file and change according to you. Not to allow players having cracked minecraft to play in your server : set online-mode = true. Change motd as your need. You can alter pvp .
#Credit goes to How2MC YouTube Channel