Last Change: 2018-09-07, 16:50
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apptainer-overlay-create - Create EXT3 writable overlay image
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.
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--create-dir=[] |
directory to create as part of the overlay layout |
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-f, --fakeroot[=false] |
make overlay layout usable by actions run with --fakeroot |
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-h, --help[=false] |
help for create |
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-s, --size=64 |
size of the EXT3 writable overlay in MiB |
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-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
29-Mar-2023 Auto generated by spf13/cobra