If the option backing_file is specified, then the image will record only the differences from backing_file. That enable additional features of this format. Depending on the file format, you can add one or more options Only the formats "qcow2", "qed" and "vdi" support consistency checks.Ĭreate filename Create the new disk image filename of size size and format fmt.
Snapshot is the name of the snapshot to create, apply or deleteĪpplies a snapshot (revert disk to saved state)Ĭheck filename Perform a consistency check on the disk image filename. See the documentation of the emulator's "-drive cache=." option for t cache specifies the cache mode that should be used with the (destination) file. You may use the common size suffixes like "k" for kilobytes. S size indicates the consecutive number of bytes that must contain only zeros for qemu-img to create a sparse image during conversion. With or without a command shows help and lists the supported formatsĭisplay progress bar (convert and rebase commands only) Indicates that target image must be compressed (qcow format only)
Or see the format descriptions below for details. Use "-o ?" for an overview of the options supported by the used format Output_fmt is the destination format options is a comma separated list of format specific options in a name=value format. Output_filename is the destination disk image filename Optional suffixes "k" or "K" (kilobyte, 1024) "M" (megabyte, 1024k) and "G" (gigabyte,ġ024M) and T (terabyte, 1024G) are supported. See below for a description of the supported disk formats. It is guessed automatically in most cases. When submitting an issue, please fill in the template with the requested information including the version of UTM, your device configuration, and attach any crash logs.Usage: qemu-img command Ĭheck filename create filename commit filename convert filename ] output_filename info filename snapshot filename rebase -b backing_file filename resize filename size Command parameters: If you found a bug or crash, please report it to GitHub after searching to make sure it has not already been reported. If you have questions about installation, usage, configuration, or anything else, you are invited to join the community run Discord.
#Qemu img update
WIP Indicates sections that are not completed yet and are due to change.ĭeprecated Indicates sections referring to features that may be removed in a future update and should not be used. There may also be a version number to indicate the lowest version of iOS the section applies to. IOS Indicates the following section or sentence applies only to UTM running on iOS. There may also be a version number to indicate the lowest version of macOS the section applies to. MacOS Indicates the following section or sentence applies only to UTM running on macOS. Throughout the documentation, there will be information that is prepended by labels that are defined below: You can always use the search bar above to quickly find the information you want.
#Qemu img how to
We recommend going through the pages in order to learn how to use UTM. The pages are organized in order of most important information to the least important. Check out the links on the left for more information. In short, it allows you to run Windows, Linux, and more on your Mac, iPhone, and iPad.
#Qemu img full
UTM is a full featured system emulator and virtual machine host for iOS and macOS.
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