Installing DataStax Enterprise on RHEL-based systems
Install DataStax Enterprise and OpsCenter using Yum repositories.
For a complete list of supported platforms, see DataStax Enterprise Supported Platforms.
- Yum Package Management application installed.
- Root or sudo access to the install machine.
- Latest version of Oracle Java SE Runtime Environment (JRE) 6 or 7. See Installing the Oracle JRE.
- Java Native Access (JNA) is required for production installations. See Installing the JNA.
- If installing on a 64-bit Oracle Linux distribution, first install the 32-bit versions of glibc libraries.
- If installing OpsCenter on a RHEL 5.x/CentOS 5.x machine, make sure that the EPEL (Extra Packages for Enterprise Linux) are installed. See Installing EPEL on CentOS 5.x or RHEL 5.x.
- Some RedHat-compatible distributions do not contain the Linux Standard Base Core module (redhat-lsb-core) by default. If your distribution does not have this package, you must install it.
Also see Recommended production settings.
The packaged releases create a cassandra user. When starting DataStax Enterprise as a service, the Cassandra and Hadoop tracker services run as this user. The service initialization script is located in /etc/init.d/dse. Run levels are not set by the package.
In a terminal window:
Check which version of Java is installed:
$ java -versionUse the latest version of Oracle Java 6 or 7 on all nodes.
Add a DataStax Yum repository file called
[datastax] name = DataStax Repo for DataStax Enterprise baseurl=http://username:firstname.lastname@example.org/enterprise enabled=1 gpgcheck=0where username and password are the DataStax account credentials from your registration confirmation email.
Install the packages:
$ sudo yum install dse-full opscenter ## Installs DataStax Enterprise and DataStax Agent.
$ sudo yum install dse-full opscenter ## Installs both DataStax Enterprise, DataStax Agent, and OpsCenter.Note: Removing the datastax-agent package also removes the DataStax Enterprise package.
Comment out the following option from the
DataStax Enterprise is ready for configuration.
- Set the configuration properties on each node in the cluster for single or multiple data center deployment.
- Configure the heap dump directory to avoid server crashes.
- Start DataStax Enterprise.
- Configuration file locations.
- During normal use, Yum creates a cache of metadata and packages. To clean all
cached files from any enabled repository run:
$ yum clean all