14.2 Performing a Silent Installation

The silent or unattended installation is useful if you need to install more than one Sentinel server, Collector manager or Correlation engines in your deployment. In such a scenario, you can record the installation parameters during the interactive installation and then run the recorded file on other servers.

To perform silent installation, ensure that you have recorded the installation parameters to a file. For information on creating the response file, see Sentinel Server Standard Installation or Sentinel Server Custom Installation and Collector Manager and Correlation Engine Installation.

To enable FIPS 140-2 mode, ensure that the response file includes the following parameters:

  • ENABLE_FIPS_MODE

  • NSS_DB_PASSWORD

To perform a silent installation, use the following steps:

  1. Download the installation files from the Downloads website.

  2. Log in as root to the server where you want to install Sentinel or Collector manager or Correlation engine.

  3. Specify the following command to extract the install files from the tar file:

    tar -zxvf <install_filename>

    Replace <install_filename> with the actual name of the install file.

  4. Specify the following command to perform installation in silent mode:

    For Sentinel server:

    ./install-sentinel -u <response_file>

    For Collector Manager:

    ./install-cm -u <response_file>

    For Correlation Engine:

    ./install-ce -u <response_file>

    The installation proceeds with the values stored in the response file.

    If you installed a Sentinel server, it might take few minutes for all services to start after installation, because the system performs a one-time initialization. Wait until the installation finishes before you log in to the server.

  5. (Conditional) If you chose to enable FIPS 140-2 mode for the Sentinel server, complete the FIPS 140-2 mode configuration by following the tasks mentioned in Section 24.0, Operating Sentinel in FIPS 140-2 Mode.