더북(TheBook)

Tip SSH를 이용한 컴퓨트 노드 설치


팩스택은 SSH를 이용해 원격 서버의 컴퓨트 노드까지 설치할 수 있습니다. packstack --gen-answer-file ~/ansewer.txt를 실행했을 때 Packstack changed given value to required value /root/.ssh/id_rsa.pub 메시지가 표시된다면 SSH 접속을 할 수 있는 공개 키를 새로 생성한 것입니다. 실제로 홈 디렉터리의 .ssh 디렉터리를 확인하면 id_rsa라는 개인 키와 id_rsa.pub라는 공개 키가 생성되어 있습니다.

[root@centos ~]# cd .ssh
[root@centos .ssh]# ls
authorized_keys  id_rsa  id_rsa.pub
[root@centos .ssh]# cat id_rsa
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
[root@centos .ssh]# cat id_rsa.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzeASVWa5POz/WIDGJl4NSxNiJ8SrtHEA5jJBu
7SOy+W1J102Nl8yYmkM76PZZd5cAzDXohdMgB/cATK6hGWFuyXE+NK/+SgNjfz9VgVip5T8wZBBF
SE1yx1tVzUVdqVS18Xu3Ngr+99HCd4rxZbVebEuoiKBxmuV46nUryw579/L6U++baF69l7926H7d
jUQuUBWNBbHctwkWE6fDJcVflWcs9g6qdttC0MNGJmM7/URjeaR2DjGeD3aIMnSrLMRVwUWpID6UR
jGIQft7ir7N5hkMI0vKyR1uL+5XF136S0mwAWnPLCo7IJLH3wSsgAkz+kyR5AqotaucYZ4XAS2N 
root@centos
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