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This document is
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OpsCenter 4.1 User Guide
(Not supported)
About OpsCenter
Key features
Installation
Installing OpsCenter
Installing the OpsCenter RPM package
Installing the OpsCenter deb package
Installing on Mac OS X or any Linux distribution
Installing DataStax agents
Manually deploying agents - tarball
Manually deploying agents - rpm
Manually deploying agents - deb
Automatic installation of DataStax agents
Configuring JAVA_HOME for DataStax agents
OpsCenter and DataStax agent ports
Installation and configuration locations
Debian and Ubuntu Package install locations
CentOS, OEL, and RHEL Package install locations
Binary Tarball distribution install locations
Starting, restarting, and stopping OpsCenter
Starting and restarting DataStax agents
Upgrading OpsCenter
Configuration
Configuring user access
About user access roles
Assigning or modifying user access roles
Removing a user
Configuring SSL
Enabling SSL - package installations
Enabling SSL - tarball installations
Disabling SSL - package installations
Disabling SSL - tarball installations
Enabling HTTPS
Configuring events and alerts
Enabling email alerts
Enabling alerts posted to a URL
Verifying that events are posting correctly
Configuring data collection and expiration
Estimating the amount of data generated
Controlling data collection
Storing collection data on a different cluster
Configuring OpsCenter definition file updates
Advanced configuration
OpsCenter configuration properties
Cluster configuration properties
DataStax Agent configuration
OpsCenter updater properties
Backing up opscenterd's configuration files for failover
Using custom start/stop scripts for DataStax Enterprise and Cassandra
Example scenarios
Configuring for multiple regions
Using OpsCenter
Overview
Managing clusters
Creating a cluster
Adding an existing cluster
Node monitoring and administration
Ring View
List View
Node management operations
Cluster administration
Generating a report
Collecting diagnostic data
Adding a node to a cluster
Configuring a cluster
Removing a cluster
Rebalancing a cluster
Restarting a cluster
Modifying a cluster setting
Performance metrics
Using performance metrics
Cluster performance metrics
Pending task metrics
Alert metrics
Advanced system alert metrics
Managing DataStax Enterprise Management Services
Repair Service
Capacity Service
Managing backups and restoring from backups
Scheduling a backup
Restoring from a backup
Using custom scripts before and after backups
Data modeling
Keyspaces
Managing column families
Browsing data
Troubleshooting
Internet Explorer web browser not supported
The SSTables in this snapshot '<tag>' are not compatible
OpsCenter data growing too large
Cannot create a keyspace
Error exceptions.ImportError:libssl.so.0.9.8
Python used to run OpsCenter not built with SSL
DataStax agent port setting conflict
Limiting the metrics collected by OpsCenter
Java not installed or JAVA_HOME environment variable not set
Insufficient user resource limits errors
Installing EPEL on CentOS 5.x or RHEL 5.x
Problems with provisioning
General troubleshooting steps
Invalid repository credentials
Timed out waiting for Cassandra to start
The following packages are already installed
Agents cannot connect to opscenterd
Removing all Cassandra or DSE files after failed provisioning
Running sstableloader results in broken data distribution
Timeout connecting to Cassandra 2.0 clusters
Sophos Web Protection breaks browser access to OpsCenter on Windows
OpsCenter API reference
Release Notes
4.1.4
4.1.3
4.1.2
4.1.1
4.1.0
4.0.3
4.0.2
4.0.1
4.0
Feedback
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Installation
Installation
How to install OpsCenter.
Note:
OpsCenter for Windows is only available for DataStax Community. It is not intended for use in production environments.
Related information
Installing OpsCenter on Windows
Installing OpsCenter
Installing DataStax agents
DataStax agents must be installed on every managed node in a cluster and are necessary to perform most of the functionality within OpsCenter.
OpsCenter and DataStax agent ports
A list of the default port numbers used by OpsCenter and the DataStax Agents:
Installation and configuration locations
Starting, restarting, and stopping OpsCenter
Commands for each type of installation.
Starting and restarting DataStax agents
Commands for each type of installation.
Installation
Installing OpsCenter
Installing DataStax agents
OpsCenter and DataStax agent ports
Installation and configuration locations
Starting, restarting, and stopping OpsCenter
Starting and restarting DataStax agents
