Secure file transfer protocol (SFTP) is a secure way of transferring files between a local and remote computer using an encrypted SSH session. It is an improved version of the traditional file transfer protocol (FTP), which adds a layer of security during the file transfer and connection establishment processes. In this guide, you will set up SFTP User accounts on Ubuntu 20.04, and allow the user to strictly access files within the home directory. * [An active Ubuntu 20.04 Vultr Server](https://......