Choose a host machine and log in as root (or log in as another user and switch to root).
Find the name of the package that is installed:
Remove the package:
If you want to delete the configuration file used with your installation, you can choose to delete the /opt/vertica/directory and all subdirectories using this command:
For each client system, do the following:
Delete the JDBC driver jar file.
Delete ODBC driver data source names.
Delete the ODBC driver software. On Windows, go to Start > Control Panel > Add or Remove Programs and look for Vertica. Click Remove.