apptainer-overlay-create - Man Page

Create EXT3 writable overlay image

Synopsis

apptainer overlay create  image

Description

The overlay create command allows creating EXT3 writable overlay image either
 as a single EXT3 image or by adding it automatically to an existing SIF image.

Options

--create-dir=[] directory to create as part of the overlay layout

-f, --fakeroot[=false] make overlay layout usable by actions run with --fakeroot

-h, --help[=false] help for create

-s, --size=64 size of the EXT3 writable overlay in MiB

-S, --sparse[=false] create a sparse overlay

Example

  To create and add a writable overlay to an existing SIF image:
  $ apptainer overlay create --size 1024 /tmp/image.sif

  To create a single EXT3 writable overlay image:
  $ apptainer overlay create --size 1024 /tmp/my_overlay.img

  To create a sparse overlay when creating a new ext3 file system image:
  $ apptainer overlay create --size 1024 --sparse /tmp/ext3_overlay.img

  To create an EXT3 writable overlay image for use with --fakeroot actions:
  $ apptainer overlay create --fakeroot --size 1024 /tmp/my_overlay.img

See Also

apptainer-overlay(1)

History

6-Sep-2022 Auto generated by spf13/cobra

Referenced By

apptainer-overlay(1).

The man page singularity-overlay-create(1) is an alias of apptainer-overlay-create(1).

Sep 2022 Auto generated by spf13/cobra