1 - What is Obserbability.

that help collect and process critical information from computing systems

2 - What is Datadog?

is a SAAS based service,that used for monitoring and analytics. used to determine performance metrics/event monitoring for infrastructure and cloud services

3 - What is Agent and How it works?

agent install on remote server-collect all information & send the data to master system.

4 - List of top 10 datadog agent commands with single line comments

systemctl start datadog-agent, restart,stop,status
vi /etc/datadog-agent/datadog.yaml
datadog-agent status