Quick References #
Store Host IP in variable #
export IP="`hostname -I | awk '{print $1}'`"
ssh-keygen does not create RSA private key #
source https://serverfault.com/questions/939909/ssh-keygen-does-not-create-rsa-private-key
ssh-keygen -m PEM -t rsa -b 4096 -C "your_email@example.com"