how to sync file on client and server

[nu]

I want to sync the file foder in different server,and I can't use ftp
protocl.
I try to sync files during defferent server and not use username and
password to login.
Anyone has good ideas?

 

[Lawrence D'Oliveiro]

In message

I want to sync the file foder in different server,and I can't use ftp
protocl.
I try to sync files during defferent server and not use username and
password to login.

Set up an SSH public/private key pair. Then run Rsync over SSH. Job done.