searxng/docs/admin/installation.rst

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.. _installation:
============
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Installation
============
.. sidebar:: Searx server setup
- :ref:`installation nginx`
- :ref:`installation apache`
If you do not have any special preferences, it is recommend to use
:ref:`searx.sh`.
.. contents:: Contents
:depth: 2
:local:
:backlinks: entry
.. _installation basic:
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Basic installation
==================
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Step by step installation with virtualenv. For Ubuntu, be sure to have enable
universe repository.
Install packages:
.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code-block:: sh
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$ sudo -H apt-get install -m \
git build-essential
libxslt-dev python3-dev python3-babel python3-venv \
zlib1g-dev libffi-dev libssl-dev
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Install searx:
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.. code:: sh
sudo -H useradd searx --system --disabled-password -d /usr/local/searx
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sudo -H usermod -a -G shadow searx
cd /usr/local/searx
sudo -H git clone https://github.com/asciimoo/searx.git searx-src
sudo -H chown searx:searx -R /usr/local/searx
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Install virtualenv:
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.. code:: sh
sudo -H -u searx -i
(searx)$ python3 -m venv searx-pyenv
(searx)$ echo 'source ~/searx-pyenv/bin/activate' > ~/.profile
Exit the searx bash and restart a new to install the searx dependencies:
.. code:: sh
sudo -H -u searx -i
(searx)$ cd searx-src
(searx)$ ./manage.sh update_packages
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Configuration
==============
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.. code:: sh
sudo -H -u searx -i
(searx)$ cd searx-src
(searx)$ sed -i -e "s/ultrasecretkey/`openssl rand -hex 16`/g" searx/settings.yml
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Edit searx/settings.yml if necessary.
Check
=====
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Start searx:
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.. code:: sh
sudo -H -u searx -i
(searx)$ cd searx-src
(searx)$ python3 searx/webapp.py
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Go to http://localhost:8888
If everything works fine, disable the debug option in settings.yml:
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.. code:: sh
sed -i -e "s/debug : True/debug : False/g" searx/settings.yml
At this point searx is not demonized ; uwsgi allows this. You can exit the
virtualenv and the searx user bash (enter exit command twice).
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uwsgi
=====
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Install packages:
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.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code-block:: bash
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sudo -H apt-get install uwsgi uwsgi-plugin-python3
Fix Nginx subdir URL install docs which allowed download of settings.yml Closes: #1617 There is an issue with the setup example in https://asciimoo.github.io/searx/dev/install/installation.html#installation for subdirectory URL deployments: ```nginx root /usr/local/searx; location = /searx { rewrite ^ /searx/; } try_files $uri @searx; } location @searx { uwsgi_param SCRIPT_NAME /searx; include uwsgi_params; uwsgi_modifier1 30; uwsgi_pass unix:/run/uwsgi/app/searx/socket; } ``` `try_files` causes Nginx to search for files in the server root first. If it matches a file, it is returned. Only if no file matched, the request is passed to uwsgi. The worst consequence I can think of is that `settings.yml` can be downloaded without authentication (where secrets and configuration details are stored). To fix this, I propose: ```nginx location = /searx { rewrite ^ /searx/; } location /searx/static { } location /searx { uwsgi_param SCRIPT_NAME /searx; include uwsgi_params; uwsgi_pass unix:/run/uwsgi/app/searx/socket; } ``` And add ``` route-run = fixpathinfo: ``` to `/etc/uwsgi/apps-available/searx.ini` because `uwsgi_modifier1 30` is apparently deprecated. Ref: https://uwsgi-docs.readthedocs.io/en/latest/Changelog-2.0.11.html#fixpathinfo-routing-action I assume this issue exists because some uwsgi upstream docs also use the `try_files` construct (at least I have seen this somewhere in the docs or somewhere else on the Internet but cannot find it right now again). https://uwsgi-docs.readthedocs.io/en/latest/Nginx.html#hosting-multiple-apps-in-the-same-process-aka-managing-script-name-and-path-info also warns about this: > If used incorrectly a configuration like this may cause security problems. For your sanity’s sake, double-triple-quadruple check that your application files, configuration files and any other sensitive files are outside of the root of the static files.
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Create the configuration file ``/etc/uwsgi/apps-available/searx.ini`` with this
content:
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.. code:: ini
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[uwsgi]
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# uWSGI core
# ----------
#
# https://uwsgi-docs.readthedocs.io/en/latest/Options.html#uwsgi-core
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# Who will run the code
uid = searx
gid = searx
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# chdir to specified directory before apps loading
chdir = /usr/local/searx/searx-src/searx
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# disable logging for privacy
disable-logging = true
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# The right granted on the created socket
chmod-socket = 666
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# Plugin to use and interpretor config
single-interpreter = true
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# enable master process
master = true
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# load apps in each worker instead of the master
lazy-apps = true
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# load uWSGI plugins
plugin = python3,http
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# By default the Python plugin does not initialize the GIL. This means your
# app-generated threads will not run. If you need threads, remember to enable
# them with enable-threads. Running uWSGI in multithreading mode (with the
# threads options) will automatically enable threading support. This *strange*
# default behaviour is for performance reasons.
enable-threads = true
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# plugin: python
# --------------
#
# https://uwsgi-docs.readthedocs.io/en/latest/Options.html#plugin-python
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# load a WSGI module
module = searx.webapp
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# set PYTHONHOME/virtualenv
virtualenv = /usr/local/searx/searx-pyenv
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# add directory (or glob) to pythonpath
pythonpath = /usr/local/searx/searx-src
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# plugin http
# -----------
#
# https://uwsgi-docs.readthedocs.io/en/latest/Options.html#plugin-http
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# Native HTTP support: https://uwsgi-docs.readthedocs.io/en/latest/HTTP.html
http = 127.0.0.1:8888
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Activate the uwsgi application and restart:
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.. code:: sh
cd /etc/uwsgi/apps-enabled
ln -s ../apps-available/searx.ini
/etc/init.d/uwsgi restart
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How to update
=============
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.. code:: sh
sudo -H -u searx -i
(searx)$ git stash
(searx)$ git pull origin master
(searx)$ git stash apply
(searx)$ ./manage.sh update_packages
Restart uwsgi:
.. tabs::
.. group-tab:: Ubuntu / debian
.. code:: sh
sudo -H systemctl restart uwsgi
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Docker
======
Make sure you have installed Docker. For instance, you can deploy searx like this:
.. code:: sh
docker pull wonderfall/searx
docker run -d --name searx -p $PORT:8888 wonderfall/searx
Go to ``http://localhost:$PORT``.
See https://hub.docker.com/r/wonderfall/searx/ for more informations. It's also
possible to build searx from the embedded Dockerfile.
.. code:: sh
git clone https://github.com/asciimoo/searx.git
cd searx
docker build -t whatever/searx .
References
==========
* https://about.okhin.fr/posts/Searx/ with some additions
* How to: `Setup searx in a couple of hours with a free SSL certificate
<https://www.reddit.com/r/privacytoolsIO/comments/366kvn/how_to_setup_your_own_privacy_respecting_search/>`__