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AWS CLI IAM and STS Cheat Sheet/Create a managed policy

Create a new customer-managed policy from JSON.

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Section: IAM Policies

Create a managed policy

bash
bash
aws iam create-policy --policy-name ReadOnlyS3 --policy-document file://readonly-s3-policy.json
Explanation

Managed policies can be attached to users, groups, and roles.

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List managed policies
Show AWS-managed and customer-managed policies.
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Get policy metadata
Read high-level metadata for a managed policy.
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Get policy document version
Read the JSON document for a specific policy version.
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Attach a managed policy to a role
Grant a role the permissions from a managed policy.
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Remove a managed policy from a role.
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Test whether a principal can perform an action on a resource.
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