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linux ssh keygen 사용법

명령어

ssh-keygen -t rsa
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비번을 걸지 않을 거면 엔터엔터로 마무리 하면 된다.

결과

ubuntu@ip-172-31-35-113:~$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/ubuntu/.ssh/id_rsa): 
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /home/ubuntu/.ssh/id_rsa
Your public key has been saved in /home/ubuntu/.ssh/id_rsa.pub
The key fingerprint is:
SHA256:8MBHCzkCy/2X2CQCTeP2p9r2gUOAZokCtrCANw5DaAk ubuntu@ip-172-31-35-113
The key's randomart image is:
+---[RSA 3072]----+
|Eo++o ...        |
|X*+Boooo .       |
|=*B.*.=.+        |
|.o.. = X .       |
|      = S        |
|     . =         |
|      + .        |
|     o.. .       |
|    .....        |
+----[SHA256]-----+
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확인

cd ~/.ssh
cat id_rsa.pub 
ssh-rsa AAAAB3... ubuntu@ip-172-31-35-11
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Last updated @3/30/2023