Install DSE OpsCenter as a Debian package

You can install DSE OpsCenter 6.8 using APT repositories on Debian or Ubuntu distributions.

For all supported platforms, see Supported platforms for DSE.

Prepare the infrastructure

Install OpsCenter on a separate machine from your intended DataStax Enterprise (DSE) nodes.

The OpsCenter machine must meet the following requirements:

At least 2 CPU cores
At least 2 GB of RAM available to OpsCenter
The latest build of Technology Compatibility Kit (TCK) Certified OpenJDK version 8 or Oracle Java SE Runtime Environment 8 (JRE or JDK). Other versions aren’t supported.

Although Oracle JRE/JDK 8 is supported, DataStax does more extensive testing on OpenJDK 8. This change is due to the end of public updates for Oracle JRE/JDK 8.

After installing OpsCenter, you can use Lifecycle Manager (LCM) to automatically manage Java and JCE installs for DSE clusters.
A recent version of a major web browser. OpsCenter doesn’t support Internet Explorer or Microsoft Edge.
APT Package Manager.

Install OpsCenter 6.8

Find the latest release of OpsCenter 6.8 on IBM Fix Central:
1. Go to Fix Central.
2. In the Product selector field, begin typing IBM DataStax OpsCenter, and then select that option from the menu.
3. In the Release field, select the version that you want to install.
4. Click Continue.
5. On the Identify fixes page, click Continue to use the default Browse for fixes option.
6. On the Select fixes page, select the fix pack (OpsCenter version) you want to install, and then click Continue.
  
  Depending on the product and version, more fix packs might be available if you set the Platform filter to All, and then click Submit.
7. If prompted, sign in with your IBMid.
  
  An IBMid account with MFA enabled is required. If you don’t have one, create an IBMid account. If your organization uses Enterprise Federation (EF) for authentication with corporate credentials, see the IBMid EF documentation.
8. On the Download options page, select Download using your browser (HTTPS), and then click Continue.
9. Review the terms and conditions, and then click I agree to activate the download links.
Click the OpsCenter DEB package link to download the file, for example, opscenter-6.8.47-deb.zip.
Extract the DEB files from the zip file:
```
unzip opscenter-6.8.47-deb.zip
```
You can use the package signing public key (deb-signing.pub.key) in the file to set up and verify the DEB packages.
Set up a local APT repository to host the downloaded OpsCenter Debian package.

For more information, see Setting up a Debian repository.
Add a DataStax repository file called /etc/apt/sources.list.d/datastax.sources.list:
```
echo "deb file:REPOSITORY_DIRECTORY_PATH ./" | sudo tee -a /etc/apt/sources.list.d/datastax.sources.list
```
Replace REPOSITORY_DIRECTORY_PATH with the path to the repository directory.
Add the DataStax public key to your list of trusted keys:
```
sudo apt-key add deb-signing.pub.key
```
Each new release includes the most recent signing public key.
Update the APT cache:
```
sudo apt-get update
```
Install OpsCenter:
```
sudo apt-get install opscenter
```
If you are installing an earlier version of OpsCenter, add the supported version to the command:
```
sudo apt-get install -y opscenter=6.8.VERSION_NUMBER
```
The default configuration is suitable for most deployments. If necessary, you can configure OpsCenter for your environment.
Start OpsCenter:
```
sudo service opscenterd start
```
OpsCenter Debian and Ubuntu packages run as a service from root. The service initialization script is located at /etc/init.d.

If the OpsCenter machine reboots, OpsCenter restarts automatically. To disable automatic restart, run the following command:
```
sudo update-rc.d opscenterd disable
```
Connect to OpsCenter in a web browser at http://opscenter-host:8888/.

Next steps

Add an existing cluster or use LCM to provision a new cluster.

Install DSE OpsCenter as a Debian package

Prepare the infrastructure

Install OpsCenter 6.8

Next steps

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