Cloud storage

1) Dropbox: Currently, among the famous cloud storage provider (Dropbox, Google Drive, and Onedrive), only Dropbox support linux system.

2) Google Drive does not have official support for Linux system, but there are third party softwares that support Google Drive. For instance

$25 https://www.insynchq.com/

$4.99 https://www.thefanclub.co.za/overgrive

We can also setup a network drive for Google Drive:

http://www.omgubuntu.co.uk/2016/08/use-google-drive-ubuntu-16-04-linux-desktops

Unfortunately, this is only for online access of files in Google Drive.

3) Megadrive: free 50Gb, and support Linux.