Installing the Cloudwatch Agents on EC2

• Cloud watch agent can help in collecting logs & metrics from ec2 instances
• Installation steps Refer Here
• Create an Amazon linux Ec2 instance & login into the instance

wget https://s3.amazonaws.com/amazoncloudwatch-agent/amazon_linux/amd64/latest/amazon-cloudwatch-agent.rpm
sudo rpm -i amazon-cloudwatch-agent.rpm
sudo yum install collectd -y

• Create a configuration file

sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-config-wizard
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -a fetch-config -m ec2 -c file:/opt/aws/amazon-cloudwatch-agent/bin/config.json -s

• Refer Here
• Install some applications on the cloudwatch ec2 instance
• Now let this machine execute for about an hour and view the Log groups in the Cloudwatch logs and metrics for the ec2 instance
• Refer Here for complete confiugration of cloud watch agent
• Once the logs are generated, Naviagate to the Cloudwatch logs & observe the log groups. Verify the logs
• Logs can be searched for insights using Log insights. Query Syntax for insights Refer Here
• Exercise:
  • Create a cloud watch monitor installation in the form of script and add it to user data in cloudformation
  • Install jenkins and observe jenkins logs (/var/log/jenkins/) and create log group for jenkins logs.

Next Steps:

• Migration Framework in AWS