How to solve the problem of ssh connecting to linux server to generate known_hosts under centos system

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1. As shown in the area map

Centos system

Ssh remote linux server

Method / step method 1

Rm-rf ~ / .ssh/known_hosts

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Advantages: clean and clean

Disadvantages: delete other correct public key information and re-authenticate all the links next time

two

Method 2:

Vi / .ssh/known_hosts

Delete the relevant rsa information of the corresponding ip (in this example, you can delete 53 lines of information)

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Advantage: other correct public key information is retained

Disadvantages: also vi, but also to find the corresponding information, slightly cumbersome advantages

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Method 3:

Clear old public key information

Ssh-keygen-R 192.168.0.100

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Advantages: fast, stable and ruthless

Disadvantages: no shortcomings

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