在配置SSH免密登录时报错：/usr/bin/ssh-copy-id:ERROR:failedtoopenIDfile‘/root/.pub’:没有那个文件或目录_couldnotopenextensioncontrolfile资源-CSDN文库

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在配置在配置SSH免密登录时报错：免密登录时报错：/usr/bin/ssh-copy-id: ERROR:

failed to open ID file ‘/root/.pub’: 没有那个文件或目录没有那个文件或目录

问题问题

[root@hadoop1 sbin]# ssh-copy-id hadoop1

/usr/bin/ssh-copy-id: ERROR: failed to open ID file '/root/.pub': 没有那个文件或目录

(to install the contents of '/root/.pub' anyway, look at the -f option)

解决方法解决方法

[root@hadoop1 sbin]# ssh-keygen -t dsa

Generating public/private dsa key pair.

Enter file in which to save the key (/root/.ssh/id_dsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /root/.ssh/id_dsa.

Your public key has been saved in /root/.ssh/id_dsa.pub.

The key fingerprint is:

SHA256:eNitxI+ZXMbqTHnZzQnql31bC+klM1ivGdhCQRssWhg root@hadoop1

The key's randomart image is:

+---[DSA 1024]----+

| Eo .o |

| . o..o |

| o .o |

| * o . |

| o S =... |

| + @.+=+o. |

| X =+.@+o.|

| + o = @ +|

| o .. + +.|

+----[SHA256]-----+

再次再次 ssh-copy-id hadoop1

[root@hadoop1 sbin]# ssh-copy-id hadoop1

/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_dsa.pub"

/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

root@hadoop1's password:

Number of key(s) added: 1

Now try logging into the machine, with: "ssh 'hadoop1'"

and check to make sure that only the key(s) you wanted were added.

作者：萧曵丶

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