I have 150 Debian Jessie machines that open ODS files in Gnumeric when double-clicked despite LibreOffice Calc being installed. I know it is possible to change this by right-clicking the ODS file and changing its default program from the Properties window, but getting 150 users to do this is not an option. They all use xfce4 and thunar.
I need to do this via CLI so I can do it across all workstations remotely. I have looked in
~/.local/share/application/mimetypes.list with no luck - comparing the files before and after changing it via GUI revealed no changes here.
How can I use bash to make these workstations open ODS files with LibreOffice Calc by default?
EDIT: Unlike the answers to this question, my Jessie installs do not have