The Open Virtual Machine Tools (open-vm-tools) are the open source implementation of VMware Tools.
They are a set of guest operating system virtualization components that enhance performance and user experience of virtual machines.
When running a virtual server on a VMware virtualization host you should install either open-vm-tools or VMware tools.
VMware recommends using open-vm-tools instead of VMware tools as outlined in this article.
The benefits of using open-vm-tools include improved stability as the package is optimized for each distribution, automatic updates smaller footprint.
sudo apt install open-vm-tools
sudo reboot