Hadoop Database安装手册
hadoop@bdi:~$ ssh-keygen -t rsa Generating public/private rsa key pair.Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Created directory '/home/hadoop/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your> Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:8a7/pCryrmEaTS0Gy/Vm0IdJjPt2DJGlXsmBRz82jK8 hadoop@bdi
The key's randomart image is:
+-------+
| o.=+ |
| .o==.* |
|. o.=oB * |
| . +.=.o = o |
|o +.*oS o |
| + +o oo |
|. +. .E . . |
| +.... o |
|. .=o.ooo.. |
+---------+
hadoop@bdi:~$ cd .ssh/
hadoop@bdi:~/.ssh$ ssh-copy-id -i> /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "id_rsa.pub"
The authenticity of host 'localhost (127.0.0.1)' can't be established.
ECDSA key fingerprint is SHA256:1tE3j//p5LSl88OgjJBzZQHvOaHayRDoRk0qp3J3ABk.
Are you sure you want to continue connecting (yes/no)? yes
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
hadoop@localhost's password:
Number of key(s) added: 1
Now try logging into the machine, with: "ssh 'localhost'"
and check to make sure that only the key(s) you wanted were added.
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