1. 문제점
ioniere@gim-yeonghun-ui-iMac ~ % ssh ioniere@10.0.0.242
Unable to negotiate with 10.0.0.242 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss
2. 클라이언트로 접속할 때 아래 옵션 추가하여 접근
ssh -oHostKeyAlgorithms=+ssh-dss ioniere@10.0.0.242