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<meta name="keywords" content="Partner Solution, AWS, Linux Bastion Hosts">
<title>Linux Bastion Hosts on AWS</title>
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</head>
<body class="book toc2 toc-left">
<div id="header">
<div id="toc" class="toc2">
<div id="toctitle"></div>
<ul class="sectlevel1">
<li><a href="#_overview">Overview</a></li>
<li><a href="#_costs_and_licenses">Costs and licenses</a></li>
<li><a href="#_architecture">Architecture</a></li>
<li><a href="#_deployment_options">Deployment options</a></li>
<li><a href="#_predeployment_steps">Predeployment steps</a>
<ul class="sectlevel2">
<li><a href="#_optional_create_a_key_pair">(Optional) Create a key pair</a></li>
<li><a href="#_optional_customize_the_linux_bastion_host_banner">(Optional) Customize the Linux bastion host banner</a></li>
</ul>
</li>
<li><a href="#_deployment_steps">Deployment steps</a></li>
<li><a href="#_postdeployment_steps">Postdeployment steps</a>
<ul class="sectlevel2">
<li><a href="#_confirm_that_you_can_log_in_to_the_bastion_host">Confirm that you can log in to the bastion host</a></li>
</ul>
</li>
<li><a href="#_additional_information">Additional information</a>
<ul class="sectlevel2">
<li><a href="#_bastion_logging">Bastion logging</a></li>
<li><a href="#_remote_access">Remote access</a></li>
</ul>
</li>
<li><a href="#_troubleshooting">Troubleshooting</a>
<ul class="sectlevel2">
<li><a href="#_i_encountered_a_create_failed_error_when_i_launched_the_partner_solution">I encountered a <strong>CREATE_FAILED</strong> error when I launched the Partner Solution</a></li>
<li><a href="#_i_encountered_a_size_limitation_error_when_i_deployed_the_aws_cloudformation_templates">I encountered a size-limitation error when I deployed the AWS CloudFormation templates</a></li>
<li><a href="#_i_changed_the_instance_type_parameter_after_deployment_and_updated_the_stack_but_the_instance_types_did_not_change_or_the_elastic_ip_addresses_were_not_reassociated_after_the_stack_update">I changed the instance type parameter after deployment and updated the stack, but the instance types did not change or the Elastic IP addresses were not reassociated after the stack update</a></li>
</ul>
</li>
<li><a href="#_resources">Resources</a></li>
<li><a href="#_customer_responsibility">Customer responsibility</a></li>
<li><a href="#_feedback">Feedback</a></li>
<li><a href="#_notices">Notices</a></li>
</ul>
</div>
</div>
<div id="content">
<div id="preamble">
<div class="sectionbody">
<h2 id="_linux_bastion_hosts_on_aws" class="discrete text-center">Linux Bastion Hosts on AWS</h2>
<h2 id="_partner_solution_deployment_guide" class="discrete text-left text-center">Partner Solution Deployment Guide</h2>
<div class="imageblock text-center">
<div class="content">
<img src="https://aws-quickstart.s3.amazonaws.com/docs/deployment-guide/aws-quickstart-deployment-graphic.png" alt="QS" width="80" height="80">
</div>
</div>
<div class="paragraph text-center">
<p><strong>December 2022</strong><br>
<em>Santiago Cardenas, AWS Serverless Partners</em><br>
<em>Tony Vattathil, Ian Hill, and Troy Lindsay, AWS Integration & Automation team</em><br></p>
</div>
<div class="imageblock text-left image-container">
<div class="content">
<img src="https://aws-quickstart.s3.amazonaws.com/cfn-ps-linux-bastion/docs/boilerplate/.images/aws-quickstart-graphic.png" alt="">
</div>
</div>
<div class="admonitionblock tip">
<table>
<tr>
<td class="icon">
<i class="fa icon-tip" title="Tip"></i>
</td>
<td class="content">
Refer to the <a href="https://github.com/aws-ia/cfn-ps-linux-bastion" target="_blank" rel="noopener">GitHub repository</a> to view source files, report bugs, submit feature ideas, and post feedback about this Partner Solution. To comment on the documentation, refer to <a href="#_feedback">Feedback</a>.
</td>
</tr>
</table>
</div>
<div class="paragraph text-left">
<p>This Partner Solution was created by Amazon Web Services (AWS). <a href="https://aws.amazon.com/solutions/partners/" target="_blank" rel="noopener">Partner Solutions</a> are automated reference deployments that help people deploy popular technologies on AWS according to AWS best practices. If you’re unfamiliar with AWS Partner Solutions, refer to the <a href="https://fwd.aws/rA69w?" target="_blank" rel="noopener">AWS Partner Solution General Information Guide</a>.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_overview">Overview</h2>
<div class="sectionbody">
<div class="paragraph">
<p>This Partner Solution deploys Linux bastion hosts on the AWS Cloud. This guide covers the steps necessary to deploy this Partner Solution.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_costs_and_licenses">Costs and licenses</h2>
<div class="sectionbody">
<div class="paragraph">
<p>There is no cost to use this Partner Solution, but you will be billed for any AWS services or resources that this Partner Solution deploys. For more information, refer to the <a href="https://fwd.aws/rA69w?" target="_blank" rel="noopener">AWS Partner Solution General Information Guide</a>.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_architecture">Architecture</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Deploying this Partner Solution with default parameters builds the following Linux Bastion Hosts environment in the AWS Cloud.</p>
</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<i class="fa icon-note" title="Note"></i>
</td>
<td class="content">
The bastion host <a href="https://github.com/aws-quickstart/quickstart-linux-bastion/pull/142" target="_blank" rel="noopener">no longer has a public IP address assigned for remote access by default</a>. You can <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/session-manager.html" target="_blank" rel="noopener">connect to your Linux instance using Session Manager</a>, a capability of AWS Systems Manager. If a remote-access CIDR block is configured for the deployment, an Elastic IP address is assigned, and inbound SSH (Secure Shell) access is permitted.
</td>
</tr>
</table>
</div>
<div id="architecture1" class="imageblock">
<div class="content">
<img src="docs/deployment_guide/images/linux-bastion-architecture.png" alt="Architecture" width="85%">
</div>
<div class="title">Figure 1. Partner Solution architecture for Linux Bastion Hosts on AWS</div>
</div>
<div class="paragraph">
<p>As shown in <a href="#architecture1">Figure 1</a>, this Partner Solution sets up the following:</p>
</div>
<div class="ulist">
<ul>
<li>
<p>A highly available architecture that spans two Availability Zones.*</p>
</li>
<li>
<p>A virtual private cloud (VPC) configured with public and private subnets, according to AWS best practices, to provide you with your own virtual network on AWS.*</p>
</li>
<li>
<p>In the public subnets:</p>
<div class="ulist">
<ul>
<li>
<p>Managed network address translation (NAT) gateways to allow outbound internet access for resources in the private subnets.*</p>
</li>
<li>
<p>1–4 Linux bastion hosts in an Amazon Elastic Compute Cloud (Amazon EC2) Auto Scaling group for connecting to Amazon EC2 instances and other resources deployed in public and private subnets.**</p>
</li>
</ul>
</div>
</li>
<li>
<p>An Amazon CloudWatch log group to hold the Linux bastion host shell history logs.</p>
</li>
<li>
<p>AWS Systems Manager for access to the bastion host.</p>
</li>
</ul>