Generate an SSH Key  
ssh-keygen -t rsa -C "youremail@example.com"
or 
ssh-keygen -t rsa -b 4096 -N "" -C "youremail@example.com" -f ~/.ssh/id_rsa


For seaarch my SSH key: 
cat ~/.ssh/id_rsa.pub

or

cat ~/.ssh/id_dsa.pub
