Paul Ligocki

AWS EC2 Essentials

AWS Logo

AWS EC2 Essentials

AWS Logo

Meta Data

curl http://169.254.169.254/latest/meta-data/placement/availability-zone
curl http://169.254.169.254/latest/meta-data/instance-id
curl http://169.254.169.254/latest/meta-data/public-ipv4
curl http://169.254.169.254/latest/meta-data/local-ipv4

CloudFormation

Most basic template

EC2Instance:
    Type: AWS::EC2::Instance
    Properties:
        ImageId: ami-999999999

Sample Bootstrap Scripts

#!/bin/bash  
yum update -y
yum install httpd -y
echo "<html><body><h1>Hello World</h1></body></html>" >/var/www/html/index.html
systemctl start httpd
systemctl enable httpd
#!/bin/bash
yum update -y
yum install -y httpd
yum install -y curl
chkconfig httpd on
service httpd start
  • https://aws.amazon.com/ec2/
  • https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html
  • https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volume-types.html
  • https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-ec2.html
  • https://docs.aws.amazon.com/AWSEC2/latest/APIReference/errors-overview.html
  • https://aws.amazon.com/blogs/compute/query-for-the-latest-amazon-linux-ami-ids-using-aws-systems-manager-parameter-store/

paulligocki

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