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+
+.. _filtron.sh:
+
+====================
+``utils/filtron.sh``
+====================
+
+.. sidebar:: further reading
+
+   - :ref:`searx filtron`
+   - :ref:`architecture`
+   - :ref:`installation` (:ref:`nginx <installation nginx>` & :ref:`apache
+     <installation apache>`)
+
+.. _Go: https://golang.org/
+.. _filtron: https://github.com/asciimoo/filtron
+.. _filtron README: https://github.com/asciimoo/filtron/blob/master/README.md
+
+To simplify installation and maintenance of a filtron instance you can use the
+script :origin:`utils/filtron.sh`.  In most cases you will install filtron_
+simply by running the command:
+
+.. code::  bash
+
+   sudo -H ./utils/filtron.sh install all
+
+The script adds a ``${SERVICE_USER}`` (default:``filtron``) and installs filtron_
+into this user account:
+
+#. Create a separated user account (``filtron``).
+#. Download and install Go_ binary in user's $HOME (``~filtron``).
+#. Install filtron with the package management from Go_ (``go get -v -u
+   github.com/asciimoo/filtron``)
+#. Setup a proper rule configuration :origin:`[ref]
+   <utils/templates/etc/filtron/rules.json>` (``/etc/filtron/rules.json``).
+#. Setup a systemd service unit :origin:`[ref]
+   <utils/templates/lib/systemd/system/filtron.service>`
+   (``/lib/systemd/system/filtron.service``).
+
+
+Create user
+===========
+
+.. kernel-include:: $DOCS_BUILD/includes/filtron.rst
+   :start-after: START create user
+   :end-before: END create user
+
+
+Install go
+==========
+
+.. kernel-include:: $DOCS_BUILD/includes/filtron.rst
+   :start-after: START install go
+   :end-before: END install go
+
+
+Install filtron
+===============
+
+Install :origin:`rules.json <utils/templates/etc/filtron/rules.json>` at
+``/etc/filtron/rules.json`` (see :ref:`Sample configuration of filtron`) and
+install filtron software and systemd unit:
+
+.. kernel-include:: $DOCS_BUILD/includes/filtron.rst
+   :start-after: START install filtron
+   :end-before: END install filtron
+
+.. kernel-include:: $DOCS_BUILD/includes/filtron.rst
+   :start-after: START install systemd unit
+   :end-before: END install systemd unit
+
+.. _filtron.sh overview:
+
+Overview
+========
+
+The ``--help`` output of the script is largely self-explanatory
+(:ref:`toolboxing common`):
+
+.. program-output:: ../utils/filtron.sh --help