Hello, friend!
You can refer to the following steps to set SFTP fingerprint authentication.
1. Use PuTTY to log in to the node where SFTP fingerprint authentication has not been performed as the sopuser user in SSH mode.
2. Run the following commands to switch to the ossadm user and perform SFTP fingerprint authentication:
> su - ossadm
> sftp Backup server username@Backup server IP address
If the following information is displayed, enter yes and press Enter:
...
Are you sure you want to continue connecting (yes/no)?
3. Check the output. If the following information is displayed, enter the password for the backup server user and press Enter.
Backup server username@BACKUP server IP address's password:***********
4. Check the output. If the following information is displayed, SFTP fingerprint authentication is successful.
Connected to backup server IP address
Hope this helps!