CmdID

CmdID / Commands

apptainer-overlay

Manage EXT3 writable overlay images for Apptainer containers. tldr-pages

On Linux

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Linux

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Add a writable overlay to an existing SIF image

apptainer overlay create --size size path/to/image.sifIdentify

Create a standalone EXT3 writable overlay image

apptainer overlay create --size size path/to/overlay.imgIdentify

Create a sparse overlay image

apptainer overlay create --size size --sparse path/to/overlay.imgIdentify

Create an overlay for use with fakeroot

apptainer overlay create --fakeroot --size size path/to/overlay.imgIdentify

Create an overlay with a specific directory in the layout

apptainer overlay create --create-dir path/to/directory path/to/overlay.imgIdentify

Display help

apptainer overlay --helpIdentify