[Level 1] get ssh finger print 

$ ssh-keygen -lf /etc/ssh/ssh_host_rsa_key.pub 
2048 00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff /etc/ssh/ssh_host_rsa_key.pub

Wish this helps.

regards,
Stanley Huang

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