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I changed my .ssh/authorized_keys2 file and now I can no longer log in via ssh. When trying to connect, it immediately says "Connection closed by...".

Is there a way to ignore the change to authorized_key2 file so I can avoid bothering the root system admin?

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2 Answers 2

up vote 1 down vote accepted

If you just want to fail back to password login, you'll have to remove the keys from your local client's SSH directories. If they're not present, and the SSH server is configured to allow password logins, you'll get presented with a password login. This should allow you to change things so they work.

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Check out Stefan's response. –  Warner Aug 31 '10 at 19:15

This command should tell the ssh command to ignore your the keys in ~/.ssh/ :

ssh -o PreferredAuthentications=keyboard-interactive -o PubkeyAuthentication=no host1.example.org

However in my experience, this doesn't work everywhere.

I borrowed this answer from http://serverfault.com/questions/130346/ssh-use-only-my-password-ignore-my-ssh-key-dont-prompt-me-for-a-passphrase

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