ssh 설정

ssh 접속 설정시 아래 처럼 권한이 등록 되어 있어야 한다.

chmod 700 ~/.ssh
chmod 600 ~/.ssh/id_rsa
chmod 644 ~/.ssh/id_rsa.pub
chmod 644 ~/.ssh/authorized_keys
chmod 644 ~/.ssh/known_hosts

키 교환을 원하는 각 서버 계정으로 접속한다.

ssh-keygen 사용

ssh-keygen

# Generating public/private rsa key pair.

# Enter file in which to save the key (/home/jsmith/.ssh/id_rsa):[엔터키]

# Enter passphrase (empty for no passphrase): [엔터키]

# Enter same passphrase again: [엔터키]

# Your identification has been saved in /home/jsmith/.ssh/id_rsa.

# Your public key has been saved in /home/jsmith/.ssh/id_rsa.pub.

# The key fingerprint is:

ssh-copy-id

ssh-copy-id -i ~/.ssh/id_rsa.pub 원격아이디@IP or HOST

ssh 확인

ssh 원격아이디@IP or HOST

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