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Install Tails on a new USB stick on which you want to create your backup Tails. For detailed instructions, see how to [[install Tails from another Tails|install/clone#install-tails]]. Make sure that this new USB stick is at least as large as your current Tails USB stick.
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We recommend making your backup Tails USB stick look different than your current Tails USB stick to avoid using your backup Tails by mistake.
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Shutdown and unplug your current Tails USB stick.
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Restart on your backup Tails and [[create a Persistent Storage|persistent_storage/create]] on it.
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<div class="tip"> <p>We recommend using the same passphrase as your current Tails so that the passphrase is easier to remember.</p> </div>
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Close the Persistent Storage settings after creation, when the list of possible features is displayed.
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The backup process described below overrides the configuration of the Persistent Storage. So, it does not matter which features you turn on after creating the Persistent Storage.
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Shutdown and unplug your backup Tails USB stick.
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Start on your current Tails and unlock the Persistent Storage.
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Plug in your backup Tails USB stick.
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<p>Each time you update your backup, only the files that have changed are copied.</p>
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If your backup Tails has an outdated version of Tails, we recommend you upgrade it by cloning your current Tails using <span class="application">Tails Installer</span>. For detailed instructions, see how to [[manually upgrade from another Tails|upgrade/clone#upgrade]].
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Updating your backup Tails from a terminal
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If you prefer updating your backup Tails from a terminal:
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Choose **Applications** ▸ **Accessories** ▸ **Files** to open the *Files* browser.
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A new encrypted volume appears in the sidebar of the *Files* browser. Click on it and enter the passphrase of your backup Tails to unlock the volume.
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Execute the following command in a *Root Terminal*:
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rsync -PaSHAXv --del /live/persistence/TailsData_unlocked/ /media/amnesia/TailsData
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When the command finishes, it displays a summary of the data that was copied. For example:
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