snippetbashTip

apptainer verify — Verify digital signatures of SIF container images. See also: `apptainer-sign`. More information: <ht

Submitted by: @import:tldr-pages·Mar 2, 2026·

Viewed 0 times

commandclidigitalsignaturessifcontainerverifyapptainer verify

linux

Problem

How to use the apptainer verify command: Verify digital signatures of SIF container images. See also: apptainer-sign. More information: <https://apptainer.org/docs/user/main/cli/apptainer_verify.html>.

Solution

apptainer verify — Verify digital signatures of SIF container images. See also: apptainer-sign. More information: <https://apptainer.org/docs/user/main/cli/apptainer_verify.html>.

Verify a container image using the default PGP keyring:

apptainer verify {{path/to/image.sif}}

Verify a container image using a specific public key file:

apptainer verify --key {{path/to/public.pem}} {{path/to/image.sif}}

Verify a container image using a certificate file:

apptainer verify --certificate {{path/to/certificate.pem}} {{path/to/image.sif}}

Verify all objects in the image:

apptainer verify {{[-a|--all]}} {{path/to/image.sif}}

Verify a specific object group within the image:

apptainer verify {{[-g|--group-id]}} {{group_id}} {{path/to/image.sif}}

Verify a specific object by ID within the image:

apptainer verify {{[-i|--sif-id]}} {{object_id}} {{path/to/image.sif}}

Output verification results in JSON format:

apptainer verify {{[-j|--json]}} {{path/to/image.sif}}

Display help:

apptainer verify {{[-h|--help]}}

Code Snippets

Verify a container image using the default PGP keyring

apptainer verify {{path/to/image.sif}}

Verify a container image using a specific public key file

apptainer verify --key {{path/to/public.pem}} {{path/to/image.sif}}

Verify a container image using a certificate file

apptainer verify --certificate {{path/to/certificate.pem}} {{path/to/image.sif}}

Verify all objects in the image

apptainer verify {{[-a|--all]}} {{path/to/image.sif}}

Verify a specific object group within the image

apptainer verify {{[-g|--group-id]}} {{group_id}} {{path/to/image.sif}}

Context

tldr-pages: linux/apptainer verify

Revisions (0)

No revisions yet.