AWS Classroomnotes 22/Dec/2021

Uploading Apache Logs to CloudWatch

• Create an ec2 instance with Amazon linux
• Ensure IAM role is given to ec2 instance post launch
• Now login into the ec2 instance and install apache server

sudo yum install httpd -y
sudo systemctl enable httpd
sudo systemctl start httpd

• The path for the apache logs are /var/log/httpd/access_log and /var/log/httpd/error_log
• Now lets install cloudwatch agent

sudo yum install amazon-cloudwatch-agent -y

• Now configure cloudwatch agent

sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-config-wizard

* Continue with settings till you reach the log files section. configure for access logs

* Now configure for error logs


* Now we need to inform the cloudwatch agent whihc configuration to use

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

• Now enable and start the cloudwatch agent

sudo systemctl enable amazon-cloudwatch-agent.service
sudo systemctl start amazon-cloudwatch-agent.service

* Sample script to generate traffic

#!/bin/bash
apache_url='http://18.237.201.9/'
while true
do
curl ${apache_url}
sleep 5
done