The authenticity of host 'host (220.127.116.11)' can't be established.
ECDSA key fingerprint is SHA256:mNnAptXuE8/O7R5cj0xR5yHZRVnEZfZSGLt3TlF6s0Es.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'host,192.168.0.1' (ECDSA) to the list of known hosts.
If you're unsure what this means, you should probably yes.
If you've forgotten your passphrase, you can reset it by running the ssh-keygen command again.
You can also change your passphrase if you no longer want to log in with this key. To change the passphrase, run:
If you are prompted for a passphrase when running ssh-keygen, you can enter it in the --Passphrase-file option to define a file containing the passphrase. If you forget your passphrase, you can still retrieve your keys if you use ssh-agent. If you did not use a passphrase to protect your keys, you can remove the passphrase by using the --Remove-passphrase option.
Please note that the command will ask for your password so that ssh-keygen can write the key to the chosen file. If you are asked to provide a passphrase, you can use the Passphrase option to define the passphrase. If you forget your password, you can still retrieve your keys if you use ssh-agent. If you did not use a passphrase to protect your keys, you can remove the passphrase by using the Remove Passphrase option.
Note: if you're doing this for production, I highly recommend generating a brand new keypair using the ssh-keygen command and using that keypair rather than reusing any old keys. It'll save you a lot of headaches in the future.
At this point, you can close the files window. If you did not save your SSH key file, the SSH key will not be written to disk and you will not be able to use this key. If you do not specify a file path, ssh-keygen will not write anything to disk.
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