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This document is
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OpsCenter 5.0 User Guide
(Not supported)
About OpsCenter
Key features
New 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 role-based security
About user access roles
Enabling authentication in OpsCenter
Managing users and roles
Migrating users to the new password database
Changing the location of the password database
Configuring SSL
Enabling SSL - package installations
Enabling SSL - tarball installations
Disabling SSL - package installations
Disabling SSL - tarball installations
Enabling HTTPS
Using Kerberos authentication with OpsCenter
Configuring events and alerts
Enabling email alerts
Enabling alerts posted to a URL
Verifying that events are posting correctly
Event action types
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
Configuring for very large clusters
Using OpsCenter
Overview
Using OpsCenter authentication
Managing clusters
Creating a cluster
Adding an existing cluster
Modifying how OpsCenter connects to clusters
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
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
Best Practice 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
Problems running sstableloader
Timeout connecting to Cassandra 2.0 clusters
Sophos Web Protection breaks browser access to OpsCenter on Windows
OpsCenter API reference
Release Notes
5.0.2
5.0.1
5.0.0
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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Home
Using OpsCenter
Managing DataStax Enterprise Management Services
Repair Service
Starting and stopping the Repair Service
Starting and stopping the Repair Service
Starting the Repair Service
Stopping the Repair Service
Using OpsCenter
Overview
Using OpsCenter authentication
Managing clusters
Node monitoring and administration
Cluster administration
Performance metrics
Alert metrics
Managing DataStax Enterprise Management Services
Repair Service
How Repair Service works
Starting and stopping the Repair Service
Starting the Repair Service
Stopping the Repair Service
Checking progress
Repair Service error handling
Advanced configuration
Capacity Service
Best Practice service
Managing backups and restoring from backups
Data modeling
