![]() ![]() It also simplifies multi-Region deployments by eliminating the need for mappings between AWS Regions and AMI IDs. This ensures you’re using the latest version of the AMI, but it doesn’t require you to update the AWS CloudFormation template as new versions of the AMI are released. You can use the AMI ID returned from AWS Systems Manager Parameter Store in the ImageId property when you create the EC2 instance. You can query for the latest AMI ID of Amazon Linux 2 using Systems Manager Parameter Store: Parameters:ĭefault: /aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2 You can either install the SSM Agent on the EC2 instance, or use an Amazon Machine Image (AMI) that already includes the SSM Agent, such as the Amazon Linux 2 AMI. Session Manager requires use of the SSM Agent. The architecture of the solution is illustrated in Figure 1.įigure 1. In addition to Knowledge Center resolutions about SSH tunnels and manual configuration of this solution in the AWS Management Console, there is an AWS CloudFormation template available on GitHub that automates its deployment. This is especially useful for public sector customers, customers in highly regulated industries, or customers who might be forbidden from using internet gateways or required to use cloud access point (CAP) connections. This post describes how, with AWS Systems Manager support for AWS PrivateLink, you can further reduce the attack surface by using virtual private cloud (VPC) endpoints instead of an internet gateway, NAT gateway, or proxy server. This results in cost savings because it reduces management overhead, centralizes access control by using AWS Identity and Access Management (IAM) policies, and enhances operational security by logging and auditing session activity. Session Manager also provides secure and auditable instance management without the need to open inbound ports, maintain bastion hosts, or manage SSH keys. Session Manager is a fully managed AWS Systems Manager capability that you can use to manage your Amazon Elastic Compute Cloud (Amazon EC2) instances, on-premises instances, and virtual machines (VMs) through an interactive one-click browser-based shell or through the AWS CLI. ![]()
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