RS232 ::: DB9 F => DB25 M

http://cepd.com/calculators/serial.htm

http://www.bb-elec.com/Learning-Center/All-White-Papers/Serial/FAQ-RS-232-Connections-That-Work.aspx

tsocks rocks...

https://manpages.debian.org/stretch/tsocks/tsocks.1

OpenZFS

https://www.youtube.com/watch?v=MsY-BafQgj4

http://open-zfs.org/

http://open-zfs.org/wiki/System_Administration

https://github.com/zfsonlinux/zfs/wiki/Debian-Stretch-Root-on-ZFS

https://linuxhint.com/install-zfs-debian/

... maybe with remote storage...

https://wiki.debian.org/SAN/iSCSI