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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO | COLOPHON |
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FLATPAK CREATE-USB(1) flatpak create-usb FLATPAK CREATE-USB(1)
flatpak-create-usb - Copy apps and/or runtimes onto removable
media.
flatpak create-usb [OPTION...] MOUNT-PATH REF...
Copies the specified apps and/or runtimes REFs onto the removable
media mounted at MOUNT-PATH, along with all the dependencies and
metadata needed for installing them. This is one way of
transferring flatpaks between computers that doesn't require an
Internet connection. After using this command, the USB drive can
be connected to another computer which already has the relevant
remote(s) configured, and Flatpak will install or update from the
drive offline (see below). If online, the drive will be used as a
cache, meaning some objects will be pulled from it and others from
the Internet. For this process to work a collection ID must be
configured on the relevant remotes on both the source and
destination computers, and on the remote server.
On the destination computer one can install from the USB (or any
mounted filesystem) using the --sideload-repo option with flatpak
install. It's also possible to configure sideload paths using
symlinks; see flatpak(1). Flatpak also includes systemd units to
automatically sideload from hot-plugged USB drives, but these may
or may not be enabled depending on your Linux distribution.
Each REF argument is a full or partial identifier in the flatpak
ref format, which looks like "(app|runtime)/ID/ARCH/BRANCH". All
elements except ID are optional and can be left out, including the
slashes, so most of the time you need only specify ID. Any part
left out will be matched against what is installed, and if there
are multiple matches an error message will list the alternatives.
By default this looks for both installed apps and runtimes with
the given REF, but you can limit this by using the --app or
--runtime option.
All REFs must be in the same installation (user, system, or
other). Otherwise it's ambiguous which repository metadata refs to
put on the USB drive.
By default flatpak create-usb uses .ostree/repo as the destination
directory under MOUNT-PATH but if you specify another location
using --destination-repo a symbolic link will be created for you
in .ostree/repos.d. This ensures that either way the repository
will be found by flatpak (and other consumers of libostree) for
install/update operations.
Unless overridden with the --system, --user, or --installation
options, this command searches both the system-wide installation
and the per-user one for REF and errors out if it exists in more
than one.
The following options are understood:
-h, --help
Show help options and exit.
-u, --user
Copy refs from the per-user installation.
--system
Copy refs from the default system-wide installation.
--installation=NAME
Copy refs from a system-wide installation specified by NAME
among those defined in /etc/flatpak/installations.d/. Using
--installation=default is equivalent to using --system.
--app
Assume that all REFs are apps if not explicitly specified.
--runtime
Assume that all REFs are runtimes if not explicitly specified.
--destination-repo=DEST
Create the repository in DEST under MOUNT-PATH, rather than
the default location.
--allow-partial
Don't print a warning when exporting partially installed
commits, for example locale extensions without all languages.
These can cause problems when installing them, for example if
the language config is different on the installing side.
-v, --verbose
Print debug information during command processing.
--ostree-verbose
Print OSTree debug information during command processing.
$ flatpak create-usb
/run/media/mwleeds/1a9b4cb2-a7ef-4d9b-91a5-6eaf8fdd2bf6/
com.endlessm.wiki_art.en
flatpak(1), flatpak remote-modify(1), flatpak-install(1),
flatpak-list(1), ostree-create-usb(1)
This page is part of the flatpak (a tool for building and
distributing desktop applications on Linux) project. Information
about the project can be found at ⟨http://flatpak.org/⟩. It is
not known how to report bugs for this man page; if you know,
please send a mail to man-pages@man7.org. This page was obtained
from the project's upstream Git repository
⟨https://github.com/flatpak/flatpak⟩ on 2025-08-11. (At that
time, the date of the most recent commit that was found in the
repository was 2025-08-06.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
flatpak FLATPAK CREATE-USB(1)
Pages that refer to this page: flatpak(1)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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