kex_exchange_identification: Connection closed by remote host 에러 질문 드려요 ㅠㅠ

--cgroupns=host 를 추가해서 실행시켜 보세요. 강의에는 빠져있는거 같더라구요.docker run --privileged --name ansible-server -itd -p 20022:22 -p 8081:8080 -e container=docker -v /sys/fs/cgroup:/sys/fs/cgroup --cgroupns=host edowon0623/ansible-server:m1 /usr/sbin/init