1. ssh key 생성

    $ cd ~/.ssh
$ ssh-keygen -f deploy_rsa
$ ls -al
-rw-r--r--  1 user user 4023 11월  8 21:52 authorized_keys
-rw-------  1 user user 1675 11월  8 21:43 deploy_rsa
-rw-r--r--  1 user user  408 11월  8 21:43 deploy_rsa.pub
-rw-r--r--  1 user user 4096 11월  8 21:55 known_hosts

  2. pull/push 실행할 서버에 ssh key(private) 등록

    $ ssh-add ~/.ssh/deploy_rsa
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@         WARNING: UNPROTECTED PRIVATE KEY FILE!          @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions 0644 for '/home/user/.ssh/deploy_rsa' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.

$ chmod 600 ~/.ssh/deploy_rsa
$ ssh-add ~/.ssh/deploy_rsa
Identity added: /home/user/.ssh/deploy_rsa (/home/user/.ssh/deploy_rsa)

  3. github 계정에 ssh key(public) 등록

    $ cat ~/.ssh/deploy_rsa.pub

    Settings > SSH and GPG keys > New SSH Key

referneces