- AWS CloudTrail is an API monitoring service. It records activities in your account. We can log those activities in S3 bucket
- It gives visibility to user activities e.g., if you want to know who created an EC2 instance, you can get the answer using CloudTrail
- Using CloudTrail, you can track changes to AWS resources in your accounts
package main import "fmt" var m map[string]string func main() { m = make(map[string]string) m["foo"] = "abc" if val, ok := m["foo"]; ok { fmt.Println("foo found -", val) } else { fmt.Println("foo not found") } if val, ok := m["bar"]; ok { fmt.Println("bar found -", val) } else { fmt.Println("bar not found") } } Output: foo found - abc bar not found
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