Samba server
sudo apt-get install samba
sudo mkdir -m 1777 /media/unencrypted_drive/SharedFolder
sudo chown pi:pi /media/unencrypted_drive/SharedFolder
Put the following at the end of /etc/samba/smb.conf:
[RaspberryPiShare]
path = /media/unencrypted_drive/SharedFolder
public = no
writeable = yes
browsable = yes
create mask = 0777
directory mask = 0777
Setup credentials:
sudo smbpasswd -a pi
Then:
sudo systemctl restart smbd