Installing DataStax Enterprise 5.1 on RHEL-based systems using Yum

Instructions for installing DataStax Enterprise 5.1 using Yum repositories on RHEL-based systems. Root permissions are required.

1. Verify that a required version of Java is installed:

   java -version

   If not OpenJDK 8 or Oracle Java 8, see Installing supporting software.

   Important:

   • Although Oracle JRE/JDK 8 is supported, DataStax does more extensive testing on OpenJDK 8 starting with DSE 5.1.11. This change is due to the end of public updates for Oracle JRE/JDK 8.
   • Package management tools do not install OpenJDK 8 or Oracle Java.
2. Add the DataStax Yum repository to a file called /etc/yum.repos.d/datastax.repo:
   Note: Set the gpgcheck=1 to perform a GPG signature check.

   [datastax] 
   name = DataStax Repo for DataStax Enterprise
   baseurl=https://DSA_profile_name:downloads_key@rpm.datastax.com/enterprise
   enabled=1
   gpgcheck=0

   where DSA_profile_name and downloads_key are your DataStax Academy Profile Name and My Downloads Key. Depending on your environment, you might need to replace @ in your email address with %40 and escape any character in your password that is used in your operating system's command line. Examples: \! and \|.

   For backward compatibility, you can use your DataStax Academy email address and password instead of your Profile Name and Downloads Key.

3. If you have enabled signature verification (gpgcheck=1), import the DataStax Enterprise repository key:

   sudo rpm --import https://rpm.datastax.com/rpm/repo_key 

4. Install the full DSE package:
   • Install the latest 5.1.x version:

     sudo yum install dse-full-5.1.12-1

   • Install an earlier 5.1.x version:

     sudo yum install dse-full-version_number-1

     Note: To view the available versions, see the Release notes.
     For example:

     sudo yum install dse-full-5.1.9

   • Optional: Install the demos:
     Attention: Installing the DSE demos is not recommended for production. Only install the demos in development environments to run tutorials.

     sudo yum install dse-demos

   DataStax Enterprise is ready for additional configuration.

5. Optional: Single-node cluster installations only:
   1. If DataStax Enterprise is not already running:

      sudo service dse start

      For more start options, see Starting DataStax Enterprise as a service.

   2. Verify that DataStax Enterprise is running:

      nodetool status

      Results using vnodes:

      Datacenter: Cassandra
      =====================
      Status=Up/Down
      |/ State=Normal/Leaving/Joining/Moving
      --  Address    Load       Tokens  Owns    Host ID                               Rack
      UN  127.0.0.1  82.43 KB   128     ?       40725dc8-7843-43ae-9c98-7c532b1f517e  rack1

      Results not using vnodes:

      Datacenter: Analytics
      =====================
      Status=Up/Down
      |/ State=Normal/Leaving/Joining/Moving
      --  Address         Load       Owns    Host ID                               Token                 Rack
      UN  172.16.222.136  103.24 KB  ?       3c1d0657-0990-4f78-a3c0-3e0c37fc3a06  1647352612226902707   rack1

6. If your OpsCenter version is not compatible with DSE 5.1, override the default DataStax Agent installation: POPUP