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AWS res documentation change

Service: res · 2026-06-22 · Documentation low

File: res/archive/release-minus-1/ug/software-stacks.md

Summary

Added 'Allowed Instance Types' field, updated AMI selection instructions, and refreshed screenshots

Security assessment

Instance type restrictions could indirectly improve security posture but aren't presented as security features. No vulnerabilities or explicit security controls are documented.

Diff

diff --git a/res/archive/release-minus-1/ug/software-stacks.md b/res/archive/release-minus-1/ug/software-stacks.md
index 1aac3b8af..7709706db 100644
--- a//res/archive/release-minus-1/ug/software-stacks.md
+++ b//res/archive/release-minus-1/ug/software-stacks.md
@@ -13 +13 @@ From the Software Stacks page, you can configure Amazon Machine Images (AMIs) or
-![Software stacks admin console page with numbered annotations](/images/res/archive/release-minus-1/ug/images/res-softwarestackspage.png)
+![Software stacks admin console page with numbered annotations](/images/res/archive/release-minus-1/ug/images/res-softwarestackspage-2026.03.png)
@@ -45 +45 @@ The Systems Manager parameter will require the following tags for RES to access
-  2. Enter details for the new software stack.
+  2. Enter details for the new software stack, including name, description, AMI ID, and operating system.
@@ -47 +47,3 @@ The Systems Manager parameter will require the following tags for RES to access
-  3. Choose **Submit**. 
+  3. (Optional) Use the **Allowed Instance Types** field to specify the instance families or types that are permitted for this software stack. You can enter instance families (for example, `t3`) or specific instance sizes (for example, `t3.xlarge`).
+
+  4. Choose **Submit**. 
@@ -151 +153 @@ RES does not have a default software stack for Rocky Linux 9, so this section of
-  1. Log into the AWS Console, and go to the [AMI Catalog page](https://console.aws.amazon.com/ec2/home#AMICatalog) within the EC2 Console.
+  1. Sign in to the AWS Management Console, and go to the [AMI Catalog page](https://console.aws.amazon.com/ec2/home#AMICatalog) within the EC2 Console.
@@ -157 +159 @@ RES does not have a default software stack for Rocky Linux 9, so this section of
-![Rocky Linux 9 Official x86_64 AMI listing with version 9.5.20241118 and 4-star rating.](/images/res/archive/release-minus-1/ug/images/res-rocky-linux9.png)
+![Screenshot showing Rocky Linux 9 AMI search results in the AMI Catalog](/images/res/archive/release-minus-1/ug/images/res-rocky-linux9.png)
@@ -163 +165 @@ RES does not have a default software stack for Rocky Linux 9, so this section of
-![AMI Catalog page showing Selected AMI field with ami-0a73e96a849c232cc and Rocky Linux 9 search.](/images/res/archive/release-minus-1/ug/images/res-ami-catalog.png)
+![Screenshot showing the AMI Catalog with the selected AMI ID](/images/res/archive/release-minus-1/ug/images/res-ami-catalog.png)