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1. Apply all current operating system patches before installing the Gateway. The Installer preserves the existing versions of pip and requests detected.

2. Install Java. Gateway requires a Java 8 SDK. The SDK must be Oracle’s Java or OpenJDK. Use the same JVM and version on all Gateway appliances.

   1. Install the Java language on the server.

      Code Block
      yum install java-1.8.0-openjdk

   2. After installing, verify the correct Java version is active.

      Code Block
      language bash
      java -version

   3. Run the following command to change the active Java version.

      Code Block
      language bash
      alternatives --config java

3. Download the Swarm bundle from the Downloads section on the DataCore Support Portal to get the Gateway distribution, and unzip it.

4. Locate the RPM for the Gateway software. If the Caringo RPM public key is not added, which is included with the distribution bundle to your system, run the following command:

   Code Block
   rpm --import RPM-GPG-KEY

5. Run this command to install the Gateway package, substituting the exact version number for the RPM in the distribution file for the {version} string:

   Code Block
   yum install caringo-gateway-{version}.rpm

6. Navigate to the examples directory for configuration file examples to study and clone.

   Code Block
   language bash
   /etc/caringo/cloudgateway/examples

7. Complete authentication for Gateway.

   1. Complete the IDSYS Document Formatfor user authentication.

      Code Block
      language bash
      /etc/caringo/cloudgateway/idsys.json

   2. Complete the Policy Document for access control.

      Code Block
      language bash
      /etc/caringo/cloudgateway/policy.json

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