ssh remove offending key – Linux/Ubuntu

 

ssh-keygen command is used to remove offending key entries from .ssh/known_hosts

Syntax to remove offending key of a host:

$ ssh-keygen -R hostName/IP_Address

Example 1:

$ ssh-keygen -R test.example.com

Above example will remove ssh key associated with hostname test.example.com

Example 2:

$ ssh-keygen -R 192.168.1.10

This example will remove ssh key associated with IP Address 192.168.1.10

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