Login into server via ssh without server

README.md

First create private-public key pairs

ssh-keygen -t rsa

Then create .ssh directory on remote computer

ssh user@remote.com mkdir -p .ssh

Add public key to authorized keys

cat .ssh/id_rsa.pub | ssh user@remote.com 'cat >> .ssh/authorized_keys'

Create .ssh/config file and add host

nano ~/.ssh/config

Host remoteserver
    User user
    HostName remote.com
    IdentityFile ~/.ssh/id_rsa
    Port 22

Login without password

ssh remoteserver