1) What is Datadog Agent?
Datadog Agent is open-source software that provides data like (metric,event,logs,tags) data of the host on which it runs. Acting as a DogStatsD server, Datadog Agent also aggregates metrics from other processes/integrations or containers on the host.
2) What are list of methods to send data to Datadog?
Methods to send data to datadog is
- Collector = Configuring the Datadog Agent for Application
- DogStatsD = Adding the Datadog Tracing Library to the code
- Datadog_API = Rest API which can used to publish custom log/metric
3)Top 10 commands of Datadog Agent
- systemctl start datadog-agent - To start the datadog-agent service
- systemctl stop datadog-agent - To stop the datadog-agent service
systemctl restart datadog-agent - To restart datadog-agent post config changes
systemctl status datadog-agent - To check status of the datadog-agent service after starting
datadog-agent configcheck - To check the config changes status
datadog-agent config - To check the configuration values/files
datadog-agent health - To check datadog-agent is working as needed
datadog-agent hostname - Hostname of the datadog agent
datadog-agent version - To check current installed version
datadog-agent status - To check datadog-agent status
datadog-agent --help
4) Top 10 Techniques for troubleshooting Datadog Agent
- Hostname and region Detection in datadog.yml config file
- API token mismatch issue
- Debug Mode
- Agent Check Status
- Network (NTP) issues
- Permission issues
- Integrations issues
- Firewall issues
- Agent Runtime Configuration
- Config Yml file space/syntax issues
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