https://goteleport.com/docs/openssh-teleport/

0:00 Introduction
2:15 Setting up OpenSSH Recording mode
2:50 OpenSSH Public/Private Key & OpenSSH Cert
3:41 Export Teleport CA Cert
4:45 Creating a new EC2 Host to connect to
5:16 tctl auth sign --host
7:48 Importing Teleport CA and setting up /etc/ssh/ssh_config
12:45 Accessing OpenSSH Nodes using the Teleport UI
14:32 Accessing OpenSSH nodes using the Terminal
15:33 Bonus: `tctl auth rotate`