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Document that `parted` warnings about invalid GPT and physical block size issues can be safely ignored as they are a consequence of "hybrid iso's". Fixes: https://github.com/resin-io/etcher/issues/312 Signed-off-by: Juan Cruz Viotti <jviottidc@gmail.com>
51 lines
1.9 KiB
Markdown
51 lines
1.9 KiB
Markdown
Etcher User Documentation
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=========================
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This document contains application documented oriented to Etcher users.
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Deactivate desktop shortcut prompt on GNU/Linux
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-----------------------------------------------
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This is a feature provided by [AppImages](appimage), where the applications
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prompts the user to automatically register a desktop shortcut to easily access
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the application.
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To deactivate this feature, `touch` any of the files listed below:
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- `$HOME/.local/share/appimagekit/no_desktopintegration`
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- `/usr/share/appimagekit/no_desktopintegration`
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- `/etc/appimagekit/no_desktopintegration`
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Flashing Ubuntu ISOs
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--------------------
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Ubuntu images (and potentially some other related GNU/Linux distributions) have
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a peculiar format that allows the image to boot without any further
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modification from both CDs and USB drives.
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A consequence of this enhancement is that some programs, like `parted` get
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confused about the drive's format and partition table, printing warnings such
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as:
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> /dev/xxx contains GPT signatures, indicating that it has a GPT table.
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> However, it does not have a valid fake msdos partition table, as it should.
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> Perhaps it was corrupted -- possibly by a program that doesn't understand GPT
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> partition tables. Or perhaps you deleted the GPT table, and are now using an
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> msdos partition table. Is this a GPT partition table? Both the primary and
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> backup GPT tables are corrupt. Try making a fresh table, and using Parted's
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> rescue feature to recover partitions.
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***
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> Warning: The driver descriptor says the physical block size is 2048 bytes,
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> but Linux says it is 512 bytes.
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All these warnings are **safe to ignore**, and your drive should be able to
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boot without any problems.
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Refer to [the following message from Ubuntu's mailing
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list](https://lists.ubuntu.com/archives/ubuntu-devel/2011-June/033495.html) if
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you want to learn more.
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[appimage]: http://appimage.org
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