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Correct the ownership and permissions of your additional `sources.list` files to be owned by `root` and only readable by others. For example:, execute the following commands.
type: Bullet: '1. '
Correct the ownership and permissions of your additional `sources.list` files to be owned by `root` and only readable by others. For example, execute the following commands.
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Execute the following command.
Ejecuta el siguiente comando.
<p class="command">sudo apt clean</p>
<p class="command">sudo apt clean</p>
Configuring additional APT repositories (for advanced users)
Configurar repositorios adicionales de APT (para usuarios/as avanzados/as)
<p>The packages available in Debian are
submitted to public scrutiny.</p>
 
<p>Configuring additional APT repositories might break the security built into
Tails and might install software that has not even been approved by Debian. Be even more careful
with what you install.</p>
<p>Los paquetes incluidos en Tails son testeados muy cuidadosamente.
Configurar repositorios adicionales de APT pueden romper la seguridad de Tails.
Ten cuidado con lo que instalas.</p>
<p>This step is usually not needed to install additional software and might be necessary
only in very rare occasions.</p>
 
Sometimes, you might need to configure additional APT repositories. For example, to install packages from the `non-free` section of Debian. To do so:
A veces puede que necesites configurar repositorios APT adicionales. Por ejemplo, para instalar paquetes de la sección `non-free` de Debian. Para hacer esto:
Create an *apt-sources.list.d* folder in your Persistent Storage:
Crea un directorio <span class="filename">apt-sources.list.d</span> en tu volumen persistente:
<p class="command">sudo install -d -m 755 /live/persistence/TailsData_unlocked/apt-sources.list.d</p>
<p class="command">sudo install -d -m 755 /live/persistence/TailsData_unlocked/apt-sources.list.d</p>
As root, edit */live/persistence/TailsData_unlocked/persistence.conf*, the configuration of the Persistent Storage, and add the *apt-sources.list.d* folder as a feature of type `link`:
Edita la configuración del volumen persistente, <span class="filename">/live/persistence/TailsData_unlocked/persistence.conf</span>, como administrador y añade el directorio <span class="filename">apt-sources.list.d</span> como una función persistente del tipo `link`:
/etc/apt/sources.list.d source=apt-sources.list.d,link
/etc/apt/sources.list.d source=apt-sources.list.d,link
Write your additional `sources.list` files in the *apt-sources.list.d* folder.
 
For example, to add
the `non-free` sections of Debian 13 (Trixie), backports, and security
updates, you can create a file named
*/live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list*
with the following content:
Escribe tus archivos `sources.list` adicionales en el directorio <span class="filename">apt-sources.list.d</span>. Por ejemplo, para añadir las secciones `non-free` de Debian 10 (Buster), backports y updates de seguridad, puedes crear un archivo llamado <span class="filename">/live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</span> con el siguiente contenido:
deb tor+http://ftp.us.debian.org/debian/ trixie non-free
deb tor+http://security.debian.org/ trixie-security non-free
deb tor+http://ftp.us.debian.org/debian/ trixie-updates non-free
deb tor+http://ftp.us.debian.org/debian/ trixie-backports non-free
deb tor+http://ftp.us.debian.org/debian/ trixie non-free
deb tor+http://security.debian.org/ trixie-security non-free
deb tor+http://ftp.us.debian.org/debian/ trixie-updates non-free
deb tor+http://ftp.us.debian.org/debian/ trixie-backports non-free
File names must end with *.list* and must only contain the following
characters: letters, digits, underscore, hyphen, and period.
Los nombres de los archivos deben terminar con
<span class="filename">.list</span> y sólo pueden contener los siguientes
caracteres: letras, números, subrayado, guión y punto.
Correct the ownership and permissions of your additional `sources.list` files to be owned by `root` and only readable by others. For example, execute the following commands.
Corrige la propiedad y los permisos de tus archivos `sources.list` adicionales para que sean propiedad de `root` y sólo puedan ser leídos por otros. Por ejemplo:
<p class="command">sudo chown root:root /live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</p>
<p class="command">sudo chown root:root /live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</p>
<p class="command">sudo chmod 644 /live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</p>
<p class="command">sudo chmod 644 /live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</p>
Restart Tails to apply the changes.
Reinicia Tails para aplicar los cambios.

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Correct the ownership and permissions of your additional `sources.list` files to be owned by `root` and only readable by others. For example, execute the following commands.
Corrige la propiedad y los permisos de tus archivos `sources.list` adicionales para que sean propiedad de `root` y sólo puedan ser leídos por otros. Por ejemplo:
11/13/2025
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Correct the ownership and permissions of your additional `sources.list` files to be owned by `root` and only readable by others. For example:, execute the following commands.
11/13/2025
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Glossary

English Spanish
root superusuario Tails

tambien puede ser raiz dependiendo del cotezto
Browse glossary Tails

String information

Source string description
type: Bullet: '1. '
Unit identifier
757041
String age
11/13/2025
Last updated
11/13/2025
Source string age
11/13/2025
Translation file gettext PO file
wiki/src/doc/persistent_storage/additional_software.es.po, string 125