This article describes the limitations of headless installation of Automation Automation Intelligence, and why headless install is not recommended for AAI versions 5.X and not supported for AAI 6.X.
Release : 5.X, 6.X
Component : AUTOMIC AUTOMATION INTELLIGENCE
Headless install is not recommended for AAI versions 5.X and not supported for AAI 6.X. The reason behind that is that the Automic Automation Intelligence upgrader and many other tools that require a graphical environment (X-server).
Automic Automation Intelligence Tools/Processes that require an X-Server:
For Linux/Unix, ensure that X11 Server is installed on the host machine. The Automic Automation Intelligence Installer, Configuration Tool, and, Upgrader all require a graphical environment.
Confirm that an X11 Server is installed on the host machine. The Automic Automation Intelligence upgrader requires a graphical environment. An X Client can be exported to a remote machine (PC or workstation) by setting the DISPLAY environment variable on the host.
Things that will not work well without:
X11 Server Recommendations
MobaXterm - https://mobaxterm.mobatek.net/download.html
OpenText (Hummingbird) Exceed - https://www.opentext.com/products-and-solutions/products/specialty-technologies/connectivity/opentext-exceed-turbox