apptainer-overlay-create - Man Page

apptainer overlay create  image

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.

--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

  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

apptainer-overlay(1)

5-Sep-2024 Auto generated by spf13/cobra

apptainer-overlay(1).