On the Linux version, make is not provided. As you’re on Linux, GNU make should be installed by default.
If GNU Make is not installed, you might need more packages and libraries. Install the build-essential before running System Workbench (cmd: sudo apt-get install build-essential)
The PATH variable seems also incomplete, /usr/bin and /bin are missing. Can you added them, then relaunch System Workbench ?
Hope it solve the issue.