FTP was the popular protocol for file transfer but short of using FTPS, it doesn't provide the security required these days. Here's how to use Secure Copy (SCP) for file transfer.

forces use of version two of the protocol to copy the file example.txt in the pwd to the remote server at 10.10.0.1 into the directory named "directoryName" with a new file name of "newExample.txt".

Here's how to use the secure copy command, with SSH key authentication, for a more secure way to copy files to your remote Linux servers.