SSH Public/Private keys.
Quickest way to generate and share SSH keys.
1. Generate key (if you haven’t done this before).
ssh-keygen -t rsa -C “tekkub@gmail.com”
2. Upload key.
cat ~/.ssh/id_dsa.pub | ssh user@host ‘cat - » ~/.ssh/authorized_keys’
You may have to login to the server and mkdir .ssh
If you get permission denied, delete this servers .ssh folder and recreate it again.