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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.
We recommend making your backup Tails USB stick look different than your current Tails USB stick to avoid using your backup Tails by mistake.
Shutdown and unplug your current Tails USB stick.
Restart on your backup Tails and [[create a Persistent Storage|persistent_storage/create]] on it.
<div class="tip">
<p>We recommend using the same passphrase as your current Tails
so that the passphrase is easier to remember.</p>
Close the Persistent Storage settings after creation, when the list of possible features is displayed.
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.
Shutdown and unplug your backup Tails USB stick.
Start on your current Tails and unlock the Persistent Storage.
Plug in your backup Tails USB stick.
<p>Each time you update your backup, only the files that have changed
are copied.</p>
If your backup Tails has an outdated version of Tails, we recommend you upgrade it by cloning your current Tails using 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]].
Updating your backup Tails from a terminal
If you prefer updating your backup Tails from a terminal:
Choose **Applications**&nbsp;▸ **Accessories**&nbsp;▸ **Files** to open the *Files* browser.
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.
Execute the following command in a *Root Terminal*:
rsync -PaSHAXv --del /live/persistence/TailsData_unlocked/ /media/amnesia/TailsData
When the command finishes, it displays a summary of the data that was
copied. For example: