Quick and easy installation when you have installed OpsCenter from a package, or for
installing the agent on the OpsCenter machine from a binary tarball.
This method uses the OpsCenter Dashboard to install agents. It provides an SSH
connection between the agent and OpsCenter and requires login credentials.
- Root or sudo access to the machines where the agents will be
- Your Cassandra or DataStax Enterprise cluster is up and running.
- OpsCenter is installed and configured.
- JMX connectivity is enabled on each node in the cluster.
- You either configured the SSH port or you will accept the default SSH port (22)
for node-agent communications.
Open a browser window and go to the OpsCenter URL at
<opscenter_host> is the IP or hostname of the
OpsCenter machine. For example:
In Add Cluster, enter the Hostnames or IP addresses of two
or three nodes in the cluster and set the JMX set JMX and Thrift ports
credentials, and then click Save Cluster.
After OpsCenter connects to the cluster, a Fix link
appears near the top of the Dashboard.
Start installing the agents by clicking the Fix.
In Install Node Agents, click Enter
In Node SSH Credentials, enter a
username that has root privileges or sudo access to
all of the nodes in your cluster, plus any other required credentials, and then
In the Install Nodes Agent dialog, click
Install on all nodes.
If prompted, click Accept Fingerprint to add a node to
the known hosts for OpsCenter.
It takes a few minutes for OpsCenter to complete the agent installations. After all
agents are installed, a success message is displayed.