$ ssd -i 를 치라고 하는데, $가 없다고 나와서 $ 빼고 진행하니 이번에는 -v.1를 지원하지 않는다고 나오네요.. 제대로 하고있는걸까요 ㅠㅠ;

작성한 코드 및 에러 메세지

Last login: Tue Oct 11 21:27:07 on console

myoung@gimmiyeong-ui-MacBookAir ~ % 

myoung@gimmiyeong-ui-MacBookAir ~ % $ sudo chmod 400/Users/myoung/Downloads/sparta_mykey.pem

zsh: command not found: $

myoung@gimmiyeong-ui-MacBookAir ~ % $ sudo chmod 400 /Users/myoung/Downloads/sparta_mykey.pem

zsh: command not found: $

myoung@gimmiyeong-ui-MacBookAir ~ % sudo chmod 400 /Users/myoung/Downloads/sparta_mykey.pem

Password:

Sorry, try again.

Password:

Sorry, try again.

Password:

sudo: 3 incorrect password attempts

myoung@gimmiyeong-ui-MacBookAir ~ % sudo chmod 400 /Users/myoung/Downloads/sparta_mykey.pem

Password:

Sorry, try again.

Password:

Sorry, try again.

Password:

myoung@gimmiyeong-ui-MacBookAir ~ % 43.201.6.78

zsh: command not found: 43.201.6.78

myoung@gimmiyeong-ui-MacBookAir ~ % $ ssh -i /Users/myoung/Downloads/sparta_mykey.pem ubuntu@43.201.6.78

zsh: command not found: $

myoung@gimmiyeong-ui-MacBookAir ~ % ssh -1 /Users/myoung/Downloads/sparta_mykey.pem ubuntu@43.201.6.78

SSH protocol v.1 is no longer supported

myoung@gimmiyeong-ui-MacBookAir ~ %