Robot failed to install on Ubuntu 20.x server. When running the installation, the following lines are observed before the installation fails:
Stopping nimbus with sudo initctl stop nimbus...
sudo: initctl: command not found
Component : UIM - ROBOT
The linux "upstart" package is not installed. The robot installation package requires this package to complete the installation.
Running the following command should install the Upstart package:
sudo apt-get install upstart
After doing so, rerun the UIM robot installation.