Datadog Assignment: Infra

Datadog agent
The Datadog agent is a lightweight software installed on your host. It is the opensource software. It collects events and metrics from hosts and sends them to Datadog.
Collector - Run check and metrics collection
Forwarder - Sends payloads to Datadog

List of methods to send data to Datadog
Use API
DogstatsD

Commands of Datadog agents
$ systemctl start datadog-agent
$ systemctl stop datadog-agent
$ systemctl restart datadog-agent
$ systemctl status datadog-agent
$ ls /var/log/datadog/
$ more /etc/datadog-agent/datadog.yaml
$ more /var/log/datadog/agent.log
$ more /var/log/datadog/process-agent.log
$ more /var/log/datadog/trace-agent.log
$ datadog-agent configcheck
$ datadog-agent config
$ datadog-agent health
$ datadog-agent hostname
$ datadog-agent version

Techniques for troubleshooting Datadog agents
Run the status command for more details about your agents.
Check agent logs directly and enable debug mode.
Reach out to Datadog support team with a flare from your agent.

Metrics of Linux servers
Load average
CPU Utilization
Memory Utilization
Processes
Disks
Network Checks
Resource Checks

Steps to enable integration in Datadog
Create an agent based integration
Create an API
Create an integration dashboards
Authentication for integration

Metrics of windows servers
CPU metrics
Memory metrics
Disk metrics
Network metrics
Events
Services

Metrics of Apache
Request latency
Rate of requests
Resource utilization
Activity metrics
Error