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Amazon EC2 Cookbook

Amazon EC2 Cookbook

By : Sekhar Reddy
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Amazon EC2 Cookbook

Amazon EC2 Cookbook

By: Sekhar Reddy
Buy this Book

Overview of this book

Discover how to perform a complete forensic investigation of large-scale Hadoop clusters using the same tools and techniques employed by forensic experts. This book begins by taking you through the process of forensic investigation and the pitfalls to avoid. It will walk you through Hadoop’s internals and architecture, and you will discover what types of information Hadoop stores and how to access that data. You will learn to identify Big Data evidence using techniques to survey a live system and interview witnesses. After setting up your own Hadoop system, you will collect evidence using techniques such as forensic imaging and application-based extractions. You will analyze Hadoop evidence using advanced tools and techniques to uncover events and statistical information. Finally, data visualization and evidence presentation techniques are covered to help you properly communicate your findings to any audience.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Sections
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Conventions
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Reader feedback
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Customer support
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1
1. Selecting and Configuring Amazon EC2 Instances
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1. Selecting and Configuring Amazon EC2 Instances
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Introduction
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Choosing the right AWS EC2 instance types
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Preparing AWS CLI tools
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Launching EC2 instances using EC2-Classic and EC2-VPC
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Allocating Elastic IP addresses
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Creating an instance with multiple NIC cards and a static private IP address
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Selecting the right storage for your EC2 instance
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Creating tags for consistency
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Configuring security groups
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Creating an EC2 key pair
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Grouping EC2 instances using placement groups
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Configuring Elastic Load Balancing
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Architecting for high availability
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Creating instances for AWS Marketplace
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2. Configuring and Securing a Virtual Private Cloud
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2. Configuring and Securing a Virtual Private Cloud
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Introduction
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Creating and configuring VPC
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Configuring VPC DHCP options
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Configuring networking connections between two VPCs (VPC peering)
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Connecting on-premise network to VPC using VPN
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3. Managing AWS Resources Using AWS CloudFormation
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3. Managing AWS Resources Using AWS CloudFormation
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Introduction
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Creating CloudFormation templates
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Creating CloudFormation templates from existing AWS resources
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Deploying applications on EC2 instances
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Updating a stack
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4. Securing Access to Amazon EC2 Instances
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4. Securing Access to Amazon EC2 Instances
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Introduction
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Creating IAM users
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Creating IAM groups and assigning group-level permissions
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Creating IAM roles
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Connecting on-premise AD to AWS IAM
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Configuring AWS multifactor authentication
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5. Monitoring Amazon EC2 Instances
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5. Monitoring Amazon EC2 Instances
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Introduction
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Collecting EC2 metrics using AWS CloudWatch
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Collecting custom metrics from EC2 instances
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Monitoring costs using CloudWatch
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Sending an e-mail based on a CloudWatch alarm
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Using CloudWatch Logs
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6. Using AWS Data Services
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6. Using AWS Data Services
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Introduction
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Using Amazon SimpleDB services from a Java program
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Using Amazon DynamoDB
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Using Amazon ElastiCache
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Using Amazon RDS
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7. Accessing Other AWS Services
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7. Accessing Other AWS Services
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Introduction
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Configuring Route 53
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Accessing AWS S3 from applications
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Accessing AWS SES from applications
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Accessing AWS SNS from applications
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Accessing AWS SQS from applications
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8. Deploying AWS Applications
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8. Deploying AWS Applications
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Introduction
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Using Docker containers for AWS deployments
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Using Chef for AWS deployments
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Using Puppet for AWS deployments
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Index
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Index

Creating an EC2 key pair

AWS can authenticate using the public-private key mechanism. The recommended authentication mechanism is public-private key authentication instead of passwords to remotely log in to your instances with SSH. We upload the public key to AWS, and store the private key on our local machine. If anyone has your private key, then they can easily log in to your EC2 instances. It's a best practice to store these private keys in a secure place. We can create the public and private key from our machine using tools like PuTTY Key Generator.

You should include a passphrase with the private key to prevent unauthorized persons from logging in to your EC2 instance. When you include a passphrase, you have to enter the passphrase whenever you log in to the EC2 instance. A passphrase on a private key is an extra layer of protection. If you lost your private key for an EBS-backed instance, you can regain access to your instance by executing the following steps:

  1. Stop the EBS-backed EC2 instance.
  2. Detach the root volume from EC2 instance.
  3. Launch the new EC2 instance for recovery.
  4. Attach the EC2 root volume as data volume to the previously created instance.
  5. Modify the authorized_keys file.
  6. Detach the root volume from recovery instance.
  7. Attach the root volume back to the EC2 instance.
  8. Start the instance.

How to do it…

Here, we list the commands to create a key pair and then launching the EC2 instance (using the key pair).

Creating a key pair

Use the following steps to create a key pair:

  1. Run the following command to create the key pair.

    You have to provide the key pair name. You can explicitly specify the text output for this command using the –output argument for easy cut and paste.

    $ aws ec2 create-key-pair 
--key-name [KeyPairName]

    Note

    The [KeyPairName] parameter in this command is used to specify a name for the key pair.

  2. After executing the create-key-pair command, copy the entire output key into file including the following lines:
    ----BEGIN RSA PRIVATE KEY----
-----END RSA PRIVATE KEY-----
  3. Save the file with ASCII encoding.
  4. Run the following command to create the key pair with name WebServerKeyPair.
    $ aws ec2 create-key-pair 
--key-name WebServerKeyPair
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