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Diffstat (limited to 'man/vmdebootstrap.rst')
| -rw-r--r-- | man/vmdebootstrap.rst | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/man/vmdebootstrap.rst b/man/vmdebootstrap.rst index 74bb153..90fad4c 100644 --- a/man/vmdebootstrap.rst +++ b/man/vmdebootstrap.rst @@ -107,23 +107,19 @@ Options Useful for architectures where extlinux is not supportable. Depending on how the image is to be booted, the --mbr option may also be necessary with extlinux. - --squash Run mksquashfs against the final image using xz + --squash=DIRECTORY Run mksquashfs against the rootfs using xz compression - requires ``squashfs-tools`` to be installed. - The final file will have the ``.squashfs`` suffix. - By default, mksquashfs is allowed to use all processors - which may result in high load. Run ``mksquashfs`` - separately if you need to control the number of - processors used per run. squashfs can also have issues - with large image files (where large is a factor of the - amount of data inside the image rather than the size - of the image itself). These errors can result in invalid - images (e.g. image does not boot) or corrupted images - (truncated file). This is a known bug in squashfs. - Avoid using the --squash option and consider squashing - the loopback mounted directory tree of the image. - ``vmdebootstrap`` will check if the squashed filesystem - is less than 1MB and leave the unsquashed image in - place with a warning about a possible squashfs failure. + The squashfs and other files needed to use the squashfs + to make a bootable system will be put into the specified directory. + The directory will contain a ``filesystem.squashfs`` + as well as the top level contents of the ``boot/`` + directory. (If using UEFI, the ``boot/efi`` directory + as well.) By default, ``mksquashfs`` is allowed to use + all processors which may result in high load. squashfs + can also have issues with large root filesystems. These + errors can result in truncated files. This is a known + bug in squashfs. ``vmdebootstrap`` will fail if the + squashed filesystem is less than 1MB. --configure-apt Use the specified mirror and distribution to create a suitable apt source inside the VM. Can be useful if debootstrap fails to create it automatically. |