You can share heavy maps using SCP. To do so:

• Open the Terminal on Ubuntu or open the Command Prompt/Power Shell on Windows.
  • Issue this command to download a map file from a remote machine (please note the “.” at the end of the command!):
    scp {username}@{ip_of_the_remote_pc}:~/dragonfly/application/data/maps/{site_id}/{map_name}.osm .
  • Issue this command to send a map file from your machine to a remote machine
    scp {map_name}.osm {username}@{ip_of_the_remote_pc}:~/dragonfly/application/data/maps/{site_id}/