Cloud Watch Logs
- We can use AWS Cloudwatch to monitor, store and access logs from EC2 instances, AWS Cloud trail, Route 53 and other resources
- We can centralize logs from all of our systems, applications and aws services that are in use.
- We can Query the logs
- Terminology
- Log Event
- Log Stream
- Log Group
- Installing unified cloudwatch agent Refer Here
- To install cloudwatch agent Refer Here
- Create an IAM role to use cloudwatch agent Refer Here
- Now attach role to ec2 instance
- Ensure you generate config file from wizard Refer Here

- To query the cloudwatch logs use syntax as mentioned. Refer Here
AWS Cloudwatch Events
- Events describe change in AWS resources
AWS Service Lens
- This is used to increase observability of your service. This includes metrics, logs and traces from your application at a common place.

