Transferring and synchronizing files securely.
Smart synchronization / excellent mirroring program
Though legendarily-difficult to comprehend, it does work well.
If you are a beginner, AVOID THIS PROGRAM! .. you will hate your life.
NOTE - I have included some very old notes.
- I've been using rsync with good success for backups. See my backup project.
SSH being enabled is also known as having "shell access" enabled. It's generally considered a risk for various reasons, most notably because runaway processes can be an issue.
shfs (same idea)
A real find. Spectacularly easy to get, install and use.
SHell FileSystem Linux kernel module
SSHFS (same idea)
Uses iXplorer as it's graphical frontend.