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Using ssh-keygen to log in securely without a password

To generate a secure public/private key pair to log in securely, and without a password.

At the command line:

1. ssh-keygen -d
   
2. hit return three times
   
3. ssh username@ftp.yourdomain.com 'test -d .ssh || mkdir -m 0700 .ssh ; cat >> .ssh/authorized_keys && chmod 0600 .ssh/*' < ~/.ssh/id_dsa.pub
   
4. press return
   
5. wait for it to say Password
   
6. enter the password
   
7. ssh username@ftp.yourdomain.com

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