Install gfal2-plugin-sftp by entering the following commands in the terminal:
sudo apt update sudo apt install gfal2-plugin-sftp
Description:
Provides sftp support for gfal2
Provides the sftp (sftp://) support for gfal2.
Homepage: https://dmc.web.cern.ch/projects/gfal-2/home
Version: 2.15.2-1
Section: universe/net