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515 lines
14 KiB
ReStructuredText
515 lines
14 KiB
ReStructuredText
.. _installation apache:
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===================
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Install with apache
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===================
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.. _Apache: https://httpd.apache.org/
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.. _Apache Debian:
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https://cwiki.apache.org/confluence/display/HTTPD/DistrosDefaultLayout#DistrosDefaultLayout-Debian,Ubuntu(Apachehttpd2.x):
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.. _README.Debian:
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https://salsa.debian.org/apache-team/apache2/raw/master/debian/apache2.README.Debian
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.. _Apache Arch Linux:
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https://wiki.archlinux.org/index.php/Apache_HTTP_Server
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.. _Apache Fedora:
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https://docs.fedoraproject.org/en-US/quick-docs/getting-started-with-apache-http-server/index.html
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.. _Apache directives:
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https://httpd.apache.org/docs/trunk/mod/directives.html
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.. _Getting Started:
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https://httpd.apache.org/docs/current/en/getting-started.html
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.. _Terms Used to Describe Directives:
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https://httpd.apache.org/docs/current/en/mod/directive-dict.html
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.. _Configuration Files:
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https://httpd.apache.org/docs/current/en/configuring.html
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.. _ProxyPreserveHost: https://httpd.apache.org/docs/trunk/mod/mod_proxy.html#proxypreservehost
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.. _LoadModule:
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https://httpd.apache.org/docs/2.4/mod/mod_so.html#loadmodule
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.. _DocumentRoot:
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https://httpd.apache.org/docs/trunk/mod/core.html#documentroot
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.. _Location:
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https://httpd.apache.org/docs/trunk/mod/core.html#location
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.. _uWSGI Apache support:
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https://uwsgi-docs.readthedocs.io/en/latest/Apache.html
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.. _mod_proxy_uwsgi:
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https://uwsgi-docs.readthedocs.io/en/latest/Apache.html#mod-proxy-uwsgi
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.. sidebar:: further read
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- `Apache Arch Linux`_
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- `Apache Debian`_ and `README.Debian`_
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- `Apache Fedora`_
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- `Apache directives`_
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.. contents:: Contents
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:depth: 2
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:local:
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:backlinks: entry
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----
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**Install** :ref:`apache searx site` using :ref:`filtron.sh <filtron.sh overview>`
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.. code:: bash
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$ sudo -H ./utils/filtron.sh apache install
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**Install** :ref:`apache searx site` using :ref:`morty.sh <morty.sh overview>`
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.. code:: bash
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$ sudo -H ./utils/morty.sh apache install
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----
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The apache HTTP server
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======================
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If Apache_ is not installed, install it now. If apache_ is new to you, the
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`Getting Started`_, `Configuration Files`_ and `Terms Used to Describe
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Directives`_ documentation gives first orientation. There is also a list of
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`Apache directives`_ *to keep in the pocket*.
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.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code:: sh
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sudo -H apt-get install apache2
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.. group-tab:: Arch Linux
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.. code:: sh
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sudo -H pacman -S apache
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sudo -H systemctl enable httpd
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sudo -H systemctl start http
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.. group-tab:: Fedora / RHEL
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.. code:: sh
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sudo -H dnf install httpd
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sudo -H systemctl enable httpd
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sudo -H systemctl start httpd
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Now at http://localhost you should see any kind of *Welcome* or *Test* page.
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How this default intro site is configured, depends on the linux distribution
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(compare `Apache directives`_).
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.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code:: sh
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less /etc/apache2/sites-enabled/000-default.conf
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In this file, there is a line setting the `DocumentRoot`_ directive:
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.. code:: apache
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DocumentRoot /var/www/html
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And the *welcome* page is the HTML file at ``/var/www/html/index.html``.
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.. group-tab:: Arch Linux
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.. code:: sh
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less /etc/httpd/conf/httpd.conf
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In this file, there is a line setting the `DocumentRoot`_ directive:
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.. code:: apache
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DocumentRoot "/srv/http"
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<Directory "/srv/http">
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Options Indexes FollowSymLinks
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AllowOverride None
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Require all granted
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</Directory>
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The *welcome* page of Arch Linux is a page showing directory located at
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``DocumentRoot``. This is *directory* page is generated by the Module
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`mod_autoindex <https://httpd.apache.org/docs/2.4/mod/mod_autoindex.html>`_:
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.. code:: apache
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LoadModule autoindex_module modules/mod_autoindex.so
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...
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Include conf/extra/httpd-autoindex.conf
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.. group-tab:: Fedora / RHEL
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.. code:: sh
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less /etc/httpd/conf/httpd.conf
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In this file, there is a line setting the ``DocumentRoot`` directive:
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.. code:: apache
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DocumentRoot "/var/www/html"
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...
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<Directory "/var/www">
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AllowOverride None
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# Allow open access:
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Require all granted
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</Directory>
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On fresh installations, the ``/var/www`` is empty and the *default
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welcome page* is shown, the configuration is located at::
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less /etc/httpd/conf.d/welcome.conf
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.. _apache searx site:
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Apache Reverse Proxy
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====================
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.. sidebar:: public to the internet?
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If your searx instance is public, stop here and first install :ref:`filtron
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reverse proxy <filtron.sh>` and :ref:`result proxy morty <morty.sh>`, see
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:ref:`installation scripts`. If already done, follow setup: *searx via
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filtron plus morty*.
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To setup a Apache revers proxy you have to enable the *headers* and *proxy*
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modules and create a `Location`_ configuration for the searx site. In most
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distributions you have to un-comment the lines in the main configuration file,
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except in :ref:`The Debian Layout`.
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To pass the HTTP HOST header
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With ProxyPreserveHost_ the incoming Host HTTP request header is passed to the
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proxied host.
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.. tabs::
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.. group-tab:: Ubuntu / debian
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In the Apache setup, enable headers and proxy modules:
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.. code:: sh
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sudo -H a2enmod headers
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sudo -H a2enmod proxy
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sudo -H a2enmod proxy_http
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In :ref:`The Debian Layout` you create a ``searx.conf`` with the
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``<Location /searx >`` directive and save this file in the *sites
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available* folder at ``/etc/apache2/sites-available``. To enable the
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``searx.conf`` use :man:`a2ensite`:
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.. code:: sh
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sudo -H a2ensite searx.conf
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.. group-tab:: Arch Linux
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In the ``/etc/httpd/conf/httpd.conf`` file, activate headers and proxy
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modules (LoadModule_):
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.. code:: apache
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FIXME needs test
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LoadModule headers_module modules/mod_headers.so
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LoadModule proxy_module modules/mod_proxy.so
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LoadModule proxy_http_module modules/mod_proxy_http.so
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.. group-tab:: Fedora / RHEL
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In the ``/etc/httpd/conf/httpd.conf`` file, activate headers and proxy
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modules (LoadModule_):
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.. code:: apache
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FIXME needs test
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LoadModule headers_module modules/mod_headers.so
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LoadModule proxy_module modules/mod_proxy.so
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LoadModule proxy_http_module modules/mod_proxy_http.so
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.. tabs::
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.. group-tab:: searx via filtron plus morty
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Use this setup, if your instance is public to the internet, compare
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figure: :ref:`architecture <arch public>` and :ref:`installation scripts`.
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1. Configure a reverse proxy for :ref:`filtron <filtron.sh>`, listening on
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*localhost 4004* (:ref:`filtron route request`):
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.. code:: apache
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<Location /searx >
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# SetEnvIf Request_URI "/searx" dontlog
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# CustomLog /dev/null combined env=dontlog
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Require all granted
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Order deny,allow
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Deny from all
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#Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
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Allow from all
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ProxyPreserveHost On
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ProxyPass http://127.0.0.1:4004
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RequestHeader set X-Script-Name /searx
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</Location>
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2. Configure reverse proxy for :ref:`morty <searx morty>`, listening on
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*localhost 3000*
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.. code:: apache
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ProxyPreserveHost On
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<Location /morty >
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# SetEnvIf Request_URI "/morty" dontlog
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# CustomLog /dev/null combined env=dontlog
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Require all granted
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Order deny,allow
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Deny from all
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#Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
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Allow from all
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ProxyPass http://127.0.0.1:3000
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RequestHeader set X-Script-Name /morty
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</Location>
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Note that reverse proxy advised to be used in case of single-user or
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low-traffic instances. For a fully result proxification add :ref:`morty's
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<searx morty>` **public URL** to your :origin:`searx/settings.yml`:
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.. code:: yaml
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result_proxy:
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# replace example.org with your server's public name
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url : https://example.org/morty
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server:
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image_proxy : True
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uWSGI support
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=============
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Be warned, with this setup, your instance isn't :ref:`protected <searx
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filtron>`, nevertheless it is good enough for intranet usage. In modern Linux
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distributions, the `mod_proxy_uwsgi`_ is compiled into the *normal* apache
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package and you need to install only the :ref:`uWSGI <searx uwsgi>` package:
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.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code:: sh
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sudo -H apt-get install uwsgi
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# Ubuntu =< 18.04
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sudo -H apt-get install libapache2-mod-proxy-uwsgi
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.. group-tab:: Arch Linux
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.. code:: sh
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sudo -H pacman -S uwsgi
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.. group-tab:: Fedora / RHEL
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.. code:: sh
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sudo -H dnf install uwsgi
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The next example shows a configuration using the `uWSGI Apache support`_ via
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unix sockets and `mod_proxy_uwsgi`_.
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For socket communication, you have to activate ``socket =
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/run/uwsgi/app/searx/socket`` and comment out the ``http = 127.0.0.1:8888``
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configuration in your :ref:`uwsgi ini file <uwsgi configuration>`. If not
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already exists, create a folder for the unix sockets, which can be used by the
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searx account (see :ref:`create searx user`):
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.. code:: bash
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sudo -H mkdir -p /run/uwsgi/app/searx/
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sudo -H chown -R searx:searx /run/uwsgi/app/searx/
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If the server is public; to limit access to your intranet replace ``Allow from
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all`` directive and replace ``192.168.0.0/16`` with your subnet IP/class.
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.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code:: apache
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LoadModule headers_module /usr/lib/apache2/mod_headers.so
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LoadModule proxy_module /usr/lib/apache2/modules/mod_proxy.so
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LoadModule proxy_uwsgi_module /usr/lib/apache2/modules/mod_proxy_uwsgi.so
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# SetEnvIf Request_URI /searx dontlog
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# CustomLog /dev/null combined env=dontlog
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<Location /searx>
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Require all granted
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Order deny,allow
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Deny from all
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# Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
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Allow from all
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ProxyPreserveHost On
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ProxyPass unix:/run/uwsgi/app/searx/socket|uwsgi://uwsgi-uds-searx/
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</Location>
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.. group-tab:: Arch Linux
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.. code:: apache
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FIXME needs test
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LoadModule proxy_module modules/mod_proxy.so
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LoadModule proxy_uwsgi_module modules/mod_proxy_uwsgi.so
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# SetEnvIf Request_URI /searx dontlog
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# CustomLog /dev/null combined env=dontlog
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<Location /searx>
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Require all granted
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Order deny,allow
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Deny from all
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# Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
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Allow from all
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ProxyPreserveHost On
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ProxyPass unix:/run/uwsgi/app/searx/socket|uwsgi://uwsgi-uds-searx/
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</Location>
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.. group-tab:: Fedora / RHEL
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.. code:: apache
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FIXME needs test
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LoadModule proxy_module modules/mod_proxy.so
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LoadModule proxy_uwsgi_module modules/mod_proxy_uwsgi.so
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<IfModule proxy_uwsgi_module>
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# SetEnvIf Request_URI /searx dontlog
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# CustomLog /dev/null combined env=dontlog
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<Location /searx>
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Require all granted
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Order deny,allow
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Deny from all
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# Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
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Allow from all
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ProxyPreserveHost On
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ProxyPass unix:/run/uwsgi/app/searx/socket|uwsgi://uwsgi-uds-searx/
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</Location>
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</IfModule>
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.. group-tab:: old mod_wsgi
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We show this only for historical reasons, DON'T USE `mod_uwsgi
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<https://uwsgi-docs.readthedocs.io/en/latest/Apache.html#mod-uwsgi>`_.
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ANYMORE!
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.. code:: apache
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<IfModule mod_uwsgi.c>
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# SetEnvIf Request_URI "/searx" dontlog
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# CustomLog /dev/null combined env=dontlog
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<Location /searx >
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Require all granted
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Options FollowSymLinks Indexes
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SetHandler uwsgi-handler
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uWSGISocket /run/uwsgi/app/searx/socket
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Order deny,allow
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Deny from all
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# Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
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Allow from all
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</Location>
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</IfModule>
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.. _restart apache:
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Restart service
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===============
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.. tabs::
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.. group-tab:: Ubuntu / debian
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.. code:: sh
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sudo -H systemctl restart apache2
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sudo -H service uwsgi restart searx
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.. group-tab:: Arch Linux
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.. code:: sh
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sudo -H systemctl restart httpd
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sudo -H systemctl restart uwsgi@searx
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.. group-tab:: Fedora / RHEL
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.. code:: sh
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sudo -H systemctl restart httpd
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sudo -H touch /etc/uwsgi.d/searx.ini
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disable logs
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============
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For better privacy you can disable Apache logs. In the examples above activate
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one of the lines and `restart apache`_::
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# SetEnvIf Request_URI "/searx" dontlog
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# CustomLog /dev/null combined env=dontlog
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The ``CustomLog`` directive disable logs for the whole (virtual) server, use it
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when the URL of the service does not have a path component (``/searx``) / is
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located at root (``/``).
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.. _The Debian Layout:
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The Debian Layout
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=================
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Be aware that the Debian layout is quite different from the standard Apache
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configuration. For details look at the README.Debian_
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(``/usr/share/doc/apache2/README.Debian.gz``). Some commands you should know on
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Debian:
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* :man:`apache2ctl`: Apache HTTP server control interface
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* :man:`a2enmod`, :man:`a2dismod`: switch on/off modules
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* :man:`a2enconf`, :man:`a2disconf`: switch on/off configurations
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* :man:`a2ensite`, :man:`a2dissite`: switch on/off sites
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