Configure IPv6 on Ubuntu Server 16.04 LTS and Setup Services for Clients
Configure SSH Server: https://www.youtube.com/watch?v=wtYJeJ93ImA
Configure HTTP Server: https://www.youtube.com/watch?v=qIIDqBGZwgY
Configure HTTPS Server: https://www.youtube.com/watch?v=JBghNRlF-I8
Configure NTP Server: https://www.youtube.com/watch?v=laFJ5ksDdNk .