use ssh for baby

ssh.md

ssh generate public and private key

• anyone can has your public key but only you can has private key
• anyone nat send you secure message will encrypt it with your public key
• who has private key able to see message content after decoding it with private key

To be able to connect to server with ssh without asking you credentials

• add your public key to ~/.ssh/authorized_keys as here

To be able to push code to github(same idea)

• add public key to your github ssh key