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80 lines
3.2 KiB
Markdown
80 lines
3.2 KiB
Markdown
---
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layout: doc
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title: Copying from (and to) dom0
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permalink: /doc/copy-from-dom0/
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redirect_from:
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- /doc/copy-to-dom0/
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- /en/doc/copy-to-dom0/
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- /doc/CopyToDomZero/
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- /wiki/CopyToDomZero/
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---
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# Copying from (and to) dom0
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This page covers copying files and clipboard text between [dom0](/doc/glossary/#dom0) and [domUs](/doc/glossary/#domu).
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Since dom0 is special, the processes are different from [copying and pasting text between qubes](/doc/copy-paste/) and [copying and moving files between qubes](/doc/copying-files/).
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## Copying **from** dom0
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### Copying files from dom0
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To copy a file from dom0 to a VM, simply use `qvm-copy-to-vm`:
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qvm-copy-to-vm <target_vm> <file>
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The file will arrive in the target VM in the `/home/user/QubesIncoming/dom0/` directory.
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### Copying and pasting clipboard text from dom0
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Use the **Qubes Clipboard** widget:
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1. Copy text to the clipboard normally in dom0 (e.g., by pressing Ctrl+C).
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2. Click the **Qubes Clipboard** icon in the Notification Area.
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3. Click "Copy dom0 clipboard".
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This displays a notification that text has been copied to the inter-qube clipboard.
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4. Press Ctrl+Shift+V in the target qube.
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This pastes the inter-qube clipboard contents into the target qube's normal clipboard.
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5. Paste normally within that qube (e.g., by pressing Shift+V).
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Alternatively, you can put your text in a file, then [copy it as a file](#copying-files-from-dom0).
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Or, you can write the data you wish to copy into `/var/run/qubes/qubes-clipboard.bin`, then `echo -n dom0 > /var/run/qubes/qubes-clipboard.bin.source`.
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Then use Ctrl+Shift+V to paste the data to the target qube.
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### Copying logs from dom0
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In order to easily copy/paste the contents of logs from dom0 to the inter-VM clipboard, you can simply:
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1. Right-click on the desired qube in the Qube Manager.
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2. Click "Logs."
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3. Click on the desired log.
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4. Click "Copy to Qubes clipboard."
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You may now paste the log contents in qube as you normally would (e.g., Ctrl+Shift+V, then Ctrl+V).
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## Copying **to** dom0
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Copying anything into dom0 is not advised, since doing so can compromise the security of your Qubes system.
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For this reason, there is no simple means of copying anything into dom0, unlike [copying from dom0](#copying-from-dom0).
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There should normally be few reasons for the user to want to copy anything from domUs to dom0, as dom0 only acts as a "thin trusted terminal", and no user applications run there.
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Sometimes, new users feel the urge to copy a desktop wallpaper image into dom0, but that is not necessary.
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A safer approach is simply to display the image in [full-screen mode](/doc/full-screen-mode/) in an AppVM, then take a screenshot from dom0, which results in exactly the image needed for a wallpaper, created securely and natively in dom0.
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If you are determined to copy some files to dom0 anyway, you can use the following method.
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(If you want to copy text, first save it into a text file.)
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Run this command in a dom0 terminal:
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qvm-run --pass-io <src-vm> 'cat /path/to/file_in_src_domain' > /path/to/file_name_in_dom0
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Note that you can use the same method to copy files from dom0 to domUs (if, for some reason, you don't want to use `qvm-copy-to-vm`):
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cat /path/to/file_in_dom0 | qvm-run --pass-io <dest-vm> 'cat > /path/to/file_name_in_appvm'
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