4 posts
How to bring CPU, memory, disk, and network metrics together on a single CloudWatch dashboard, then collect server logs and connect alarms to complete your EC2 monitoring setup.
How to collect the memory and disk metrics that EC2 basic monitoring leaves out, using the CloudWatch Agent. Step-by-step coverage from creating the IAM role to installing and configuring the agent, plus its resource overhead on a t3.micro.
How the EC2 monitoring tab relates to CloudWatch, basic vs. detailed monitoring costs, and what the free tier covers — part one of a series on monitoring EC2 server health.
How to expand an EBS volume on a full EC2 instance with zero downtime — diagnosing disk usage, emergency cleanup with docker system prune, and applying the new size with growpart and resize2fs.