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Use ssh-keygen -r hostname to remove the hostname from your known_hosts file. the next time you connect, the new host key will be added to your known_hosts file. the next time you connect, the new host key will be added to your known_hosts file.. Ssh-keyscan remote_server >>~/.ssh/known_hosts if this box is brand new you might also need to create the ~/.ssh directory before you run ssh-keyscan. keep in mind that ssh-keyscan can take an arbitrary number of hostnames. it will get all the keys it can.. You can remove the old key manually and run ssh-keyscan to gather the new key: ssh-keyscan -t rsa ip address/hostname. output from this command can then be concatenated to known_hosts file..

Ssh-keyscan -h 192.168.1.162 >> ~/.ssh/known_hosts the command will run and add the remote ssh fingerprint to the local machine, without your input ( figure b ). figure b. Ssh-keyscan is a utility for gathering the public ssh host keys of a number of hosts. it was designed to aid in building and verifying ssh_known_hosts files. ssh-keyscan provides a minimal interface suitable for use by shell and perl scripts.. With older bind versions you can use numeric types. so instead of "in sshfp 1 1" you write "in type44 # 22 01 01". ssh-keygen will give you the latter if you pass it the -g option, e.g..

ssh keyscan update known_hosts

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