Table: Installer invocation methods describes the ways that you can invoke the installer to install Symantec Message Filter on Linux or Solaris.
Table: Installer invocation methods
The installer can reinstall your current software and preserve existing configuration and other data that is stored after initial installation. The installer reinstalls your existing software in the same location as the previous version. If current versions of MySQL and Tomcat exist, they are not reinstalled. All Control Center binaries are updated except for the MySQL and Tomcat files.