Use DescribePatchBaselines with a CLI

The following code examples show how to use DescribePatchBaselines.

CLI

AWS CLI

Example 1: To list all patch baselines

The following describe-patch-baselines example retreives details for all patch baselines in your account in the current Region.

aws ssm describe-patch-baselines

Output:

{
    "BaselineIdentities": [
        {
            "BaselineName": "AWS-SuseDefaultPatchBaseline",
            "DefaultBaseline": true,
            "BaselineDescription": "Default Patch Baseline for Suse Provided by AWS.",
            "BaselineId": "arn:aws:ssm:us-east-2:733109147000:patchbaseline/pb-0123fdb36e334a3b2",
            "OperatingSystem": "SUSE"
        },
        {
            "BaselineName": "AWS-DefaultPatchBaseline",
            "DefaultBaseline": false,
            "BaselineDescription": "Default Patch Baseline Provided by AWS.",
            "BaselineId": "arn:aws:ssm:us-east-2:733109147000:patchbaseline/pb-020d361a05defe4ed",
            "OperatingSystem": "WINDOWS"
        },
        ...
        {
            "BaselineName": "MyWindowsPatchBaseline",
            "DefaultBaseline": true,
            "BaselineDescription": "My patch baseline for EC2 instances for Windows Server",
            "BaselineId": "pb-0ad00e0dd7EXAMPLE",
            "OperatingSystem": "WINDOWS"
        }
    ]
}

Example 2: To list all patch baselines provided by AWS

The following describe-patch-baselines example lists all patch baselines provided by AWS.

aws ssm describe-patch-baselines \
    --filters "Key=OWNER,Values=[AWS]"

Example 3: To list all patch baselines that you own

The following describe-patch-baselines example lists all custom patch baselines created in your account in the current Region.

aws ssm describe-patch-baselines \
    --filters "Key=OWNER,Values=[Self]"

For more information, see About Predefined and Custom Patch Baselines in the AWS Systems Manager User Guide.

• For API details, see DescribePatchBaselines in AWS CLI Command Reference.

PowerShell

Tools for PowerShell

Example 1: This example lists all patch baselines.

Get-SSMPatchBaseline

Output:

BaselineDescription                                             BaselineId                                                            BaselineName
-------------------                                             ----------                                                            ------------
Default Patch Baseline Provided by AWS.                         arn:aws:ssm:us-west-2:123456789012:patchbaseline/pb-04fb4ae6142167966 AWS-DefaultP...
Baseline containing all updates approved for production systems pb-045f10b4f382baeda                                                  Production-B...
Baseline containing all updates approved for production systems pb-0a2f1059b670ebd31                                                  Production-B...

Example 2: This example lists all patch baselines provided by AWS. The syntax used by this example requires PowerShell version 3 or later.

$filter1 = @{Key="OWNER";Values=@("AWS")}

Output:

Get-SSMPatchBaseline -Filter $filter1

Example 3: This example lists all patch baselines with you as the owner. The syntax used by this example requires PowerShell version 3 or later.

$filter1 = @{Key="OWNER";Values=@("Self")}

Output:

Get-SSMPatchBaseline -Filter $filter1

Example 4: With PowerShell version 2, you must use New-Object to create each tag.

$filter1 = New-Object Amazon.SimpleSystemsManagement.Model.PatchOrchestratorFilter
$filter1.Key = "OWNER"
$filter1.Values = "AWS"

Get-SSMPatchBaseline -Filter $filter1

Output:

BaselineDescription                     BaselineId                                                            BaselineName             DefaultBaselin
                                                                                                                                       e
-------------------                     ----------                                                            ------------             --------------
Default Patch Baseline Provided by AWS. arn:aws:ssm:us-west-2:123456789012:patchbaseline/pb-04fb4ae6142167966 AWS-DefaultPatchBaseline True

• For API details, see DescribePatchBaselines in AWS Tools for PowerShell Cmdlet Reference.