1. OPENSSH, pure SSH.
2. tortoise SSH，+ puttygen。
Follow-up must be used to review the PPK. to run SSH
3. Deploy SSH usage
Configure SSH:
1. Enter SSH PubKey in OpenShift - Setting;
View public key under Mac
1. cd ~ to enter the root directory; ls -a to view all directories including hidden files
2. cd .ssh
2. ls, view all Key files
3. more id_rsa.pub, you can view public Key
4. Copy into OpenShift; save
5. Use the terminal to log in to SSH;