I was able to use tabcmd with 9.x version itself. So it would be pretty much the same with 10.5 as well.
Currently, I use 10.4 version and shell scripts to refresh the workbook/datasource and download the report as pdf.
All the best
We have used tabcmd on Linux to connect up to Tableau windows servers for many years. We're currently on 10.3.3 and hope to be on 10.5.x later this month. tabcmd is part of our testing prior to our upgrade.
May I know your Tableau Server is installed in Linux environment ?