With SSH you can create trust relationships between machines to connect between them without asking for password to be able to install Veritas software or just to connect quickly to remote systems.
First, you must create the Secret and Public key with this command:
# ssh-keygen -t dsa -f $HOME/.ssh/id_dsa -P ''
You can choose dsa or rsa as type of ssh protocol version (should use the same as on sshd_config file).
rsa is used with protocol 1 in ssh.
dsa is used with protocol 2 in ssh.
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