Understanding Datadog Agent

What is Datadog agent?
Datadog agent is a software that is hosted on Infra which that collects events and metrics and sends to datadog to analyze and visualize the data.

Type of Datadog Agent?
Collector and DogStatsD

Ports used in Datadog agent?
TCP, SSL, UDP

Top 5 commands with simple explanation troubleshooting Datadog agent?
Start the agent - $ systemctl start datadog-agent
Stop the agent - $ systemctl stop datadog-agent
Restart agent - $ systemctl restart datadog-agent
Status of the agent - $ systemctl status datadog-agent
Run a check - $ datadog-agent

Locate how to enable Logs monitoring in datadog.yaml
To enable log collection we need to 'change logs_enabled: false' to 'logs_enabled: true' in the Agent’s main configuration file (datadog.yaml).

5 techniques for troubleshooting Datadog?
Verify API key
Verify site/region
Check if Datadog agent is running on the host
If config file is edited, check if agent is re-started after editing.