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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 the 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.
   Note:
   The plain-text passwords in both Gateway configuration and IDSYS are replaced by encrypted versions during Gateway's startup. (v7.1)

   1. Complete the IDSYS document for 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

8. Record the location for the server logs.

   Code Block
   language bash
   /var/log/caringo/cloudgateway_server.log

9. Verify NTP time synchronization is used on the Gateway server to guarantee storage transaction handling and that the audit log timestamps match across servers. NTP is critical for the Swarm operation and should be used on all hosts interacting with Swarm.

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1. Optionally, install and start Docker

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1. on the Gateway server to utilize video clipping and hybrid cloud on Gateway version 7.8 and higher

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1. a. Install docker-ce following instructions in https://docs.docker.com/

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1. engine/

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1. install/

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1. centos/

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1. .

   b. Run any needed post-installation step to start Docker, such as enabling the systemd services:

   https://docs.docker.com/engine/install/linux-postinstall/#configure-docker-to-start-on-boot-with-systemd

   c. Features will fail with SElinux set to "Enforced" on RHEL installations. Check the OS setting with the "getenforce" command. If this extra layer of security is not needed, reduce to "Permissive" or "Disabled" to allow features to proceed.

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