hadoop redis mongodb-ly36843运维
#namenode01的操作# su - hadoop
$ ssh-keygen
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 identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
1c:7e:89:9d:14:9a:10:fc:69:1e:11:3d:6d:18:a5:01 hadoop@namenode01
The key's randomart image is:
+--[ RSA 2048]----+
| .o.E++=. |
| ...o++o |
| .+ooo |
| o== o |
| oS.= |
| .. |
| |
| |
| |
+-----------------+
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode03
#验证结果
$ ssh namenode01 hostname
namenode01
$ ssh namenode02 hostname
namenode02
$ ssh datanode01 hostname
datanode01
$ ssh datanode02 hostname
datanode02
$ ssh datanode03 hostname
datanode03
#在namenode02上操作
# su - hadoop
$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
a9:f5:0d:cb:c9:88:7b:71:f5:71:d8:a9:23:c6:85:6a hadoop@namenode02
The key's randomart image is:
+--[ RSA 2048]----+
| |
| |
| .o.|
| . ...o.o|
| S +....o |
| +.E.O o.|
| o ooB o .|
| .. |
| .. |
+-----------------+
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode03
#验证结果
$ ssh namenode01 hostname
namenode01
$ ssh namenode02 hostname
namenode02
$ ssh datanode01 hostname
datanode01
$ ssh datanode02 hostname
datanode02
$ ssh datanode03 hostname
datanode03
#在datanode01上操作
# su - hadoop
$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
48:72:20:69:64:e7:81:b7:03:64:41:5e:fa:88:db:5e hadoop@datanode01
The key's randomart image is:
+--[ RSA 2048]----+
| +O+= |
| +=*.o |
| .ooo.o |
| . oo+ . |
|. . ... S |
| o |
|. . E |
| . . |
|. |
+-----------------+
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode03
#验证结果
$ ssh namenode01 hostname
namenode01
$ ssh namenode02 hostname
namenode02
$ ssh datanode01 hostname
datanode01
$ ssh datanode02 hostname
datanode02
$ ssh datanode03 hostname
datanode03
#datanode02上操作
$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
32:aa:88:fa:ce:ec:51:6f:de:f4:06:c9:4e:9c:10:31 hadoop@datanode02
The key's randomart image is:
+--[ RSA 2048]----+
| E. |
| .. |
| . |
| . |
| . o+So |
| . o oB |
|. . oo.. |
|.+ o o o... |
|=+B . ... |
+-----------------+
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode03
#验证结果
$ ssh namenode01 hostname
namenode01
$ ssh namenode02 hostname
namenode02
$ ssh datanode01 hostname
datanode01
$ ssh datanode02 hostname
datanode02
$ ssh datanode03 hostname
datanode03
#datanode03上操作
# su - hadoop
$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hadoop/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/hadoop/.ssh/id_rsa.
Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.
The key fingerprint is:
f3:f3:3c:85:61:c6:e4:82:58:10:1f:d8:bf:71:89:b4 hadoop@datanode03
The key's randomart image is:
+--[ RSA 2048]----+
| o=. |
| ..o.. . |
| o.+ * . |
| . . E O |
| SB o |
| o. . .|
| o. |
| +. |
| o. |
+-----------------+
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub namenode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode01
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode02
$ ssh-copy-id -i ~/.ssh/id_rsa.pub datanode03
#验证结果
$ ssh namenode01 hostname
namenode01
$ ssh namenode02 hostname
namenode02
$ ssh datanode01 hostname
datanode01
$ ssh datanode02 hostname
datanode02
$ ssh datanode03 hostname
datanode03
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