ssh 서버 설치 및 동작 확인 ssh 확인 패키지 설치 확인 $ dpkg --get-selections | grep ssh libssh-4:arm64install libssh-gcrypt-4:arm64install libssh2-1:arm64install openssh-clientinstall openssh-serverinstall openssh-sftp-serverinstall ssh-import-idinstall ssh 동작 중인지 확인 $ service ssh status ● ssh.service - OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled) A..