Actian Monitor > Installing Actian Monitor > Passwordless Authentication
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Passwordless Authentication
To use SSH key-based authentication rather than a password for the ssh_user:
If you don't already have a private key created, generate one (e.g. ssh-keygen -t rsa -b 4096 -C "Example key for SSH")
Do not enter an SSH password, leave the password empty or set to 'none'
The public key (id_rsa.pub for example) needs to be added to the DBMS server's '.ssh/authorized_keys' file or provide a list of comma separated private key file names using --ssh_key_paths
When no paths are provided /home/<user>/.ssh./id_rsa is assumed (will be adjusted for Windows)
The SSH private key files will be copied to the Actian Monitor install target's .ssh directory
SSH keys should not have a passphrase
Last modified date: 01/29/2026