I go through those processes and get the following: SMP is still in Applications.
sudo ./aex-uninstall
This will remove the Symantec Management Agent for UNIX, Linux and Mac software from your system.
Are you sure you want to continue [Yy/Nn]?
y
Uninstalling dependant solutions...
WARNING! The aex-helper tool is not available.
Dependant solutions will not be uninstalled.
./aex-uninstall: line 142: aex-helper: command not found
Removing Symantec Management Agent for UNIX, Linux and Mac package from the system...
No receipt for 'com.altiris.AltirisAgent' found at '/'.
Removal finished.
Uninstallation has finished
sudo ./aex-helper uninstall all
There is nothing to uninstall.