[enh] tidy: clean old morty, filtron, searx references

Everyone should have already switched from legacy methods.

26 files changed, 18 insertions, 558 deletions

diff --git a/Makefile b/Makefile
index 15e43be08..917d3aeb4 100644
--- a/Makefile
+++ b/Makefile
@@ -65,10 +65,7 @@ test.shell:
 		utils/lib_redis.sh \
 		utils/searxng.sh \
 		utils/lxc.sh \
-		utils/lxc-searxng.env \
-		utils/searx.sh \
-		utils/filtron.sh \
-		utils/morty.sh
+		utils/lxc-searxng.env
 	$(Q)$(MTOOLS) build_msg TEST "$@ OK"
 
 
diff --git a/container/docker-entrypoint.sh b/container/docker-entrypoint.sh
index 72d020dcf..ee14b2f05 100755
--- a/container/docker-entrypoint.sh
+++ b/container/docker-entrypoint.sh
@@ -12,8 +12,7 @@ Environment variables:
   INSTANCE_NAME settings.yml : general.instance_name
   AUTOCOMPLETE  settings.yml : search.autocomplete
   BASE_URL      settings.yml : server.base_url
-  MORTY_URL     settings.yml : result_proxy.url
-  MORTY_KEY     settings.yml : result_proxy.key
+
 Volume:
   /etc/searxng  the docker entry point copies settings.yml and uwsgi.ini in
                 this directory (see the -f command line option)"
@@ -70,20 +69,6 @@ patch_searxng_settings() {
         -e "s/autocomplete: \"\"/autocomplete: \"${AUTOCOMPLETE}\"/g" \
         -e "s/ultrasecretkey/$(head -c 24 /dev/urandom | base64 | tr -dc 'a-zA-Z0-9')/g" \
         "${CONF}"
-
-    # Morty configuration
-
-    if [ -n "${MORTY_KEY}" ] && [ -n "${MORTY_URL}" ]; then
-        sed -i -e "s/image_proxy: false/image_proxy: true/g" \
-            "${CONF}"
-        cat >> "${CONF}" <<-EOF
-
-# Morty configuration
-result_proxy:
-   url: ${MORTY_URL}
-   key: !!binary "${MORTY_KEY}"
-EOF
-    fi
 }
 
 update_conf() {
@@ -122,30 +107,6 @@ update_conf() {
     fi
 }
 
-# searx compatibility: copy /etc/searx/* to /etc/searxng/*
-SEARX_CONF=0
-if [ -f "/etc/searx/settings.yml" ]; then
-    if  [ ! -f "${SEARXNG_SETTINGS_PATH}" ]; then
-        printf '⚠️  /etc/searx/settings.yml is copied to /etc/searxng\n'
-        cp "/etc/searx/settings.yml" "${SEARXNG_SETTINGS_PATH}"
-    fi
-    SEARX_CONF=1
-fi
-if [ -f "/etc/searx/uwsgi.ini" ]; then
-    printf '⚠️  /etc/searx/uwsgi.ini is ignored. Use the volume /etc/searxng\n'
-    SEARX_CONF=1
-fi
-if [ "$SEARX_CONF" -eq "1" ]; then
-    printf '⚠️  The deprecated volume /etc/searx is mounted. Please update your configuration to use /etc/searxng ⚠️\n'
-    cat << EOF > /etc/searx/deprecated_volume_read_me.txt
-This Docker image uses the volume /etc/searxng
-Update your configuration:
-* remove uwsgi.ini (or very carefully update your existing uwsgi.ini using https://github.com/searxng/searxng/blob/master/container/uwsgi.ini )
-* mount /etc/searxng instead of /etc/searx
-EOF
-fi
-# end of searx compatibility
-
 # make sure there are uwsgi settings
 update_conf "${FORCE_CONF_UPDATE}" "${UWSGI_SETTINGS_PATH}" "/usr/local/searxng/container/uwsgi.ini" "patch_uwsgi_settings"
 
@@ -158,8 +119,6 @@ if [ $DRY_RUN -eq 1 ]; then
     exit
 fi
 
-unset MORTY_KEY
-
 printf 'Listen on %s\n' "${BIND_ADDRESS}"
 
 # Start uwsgi
diff --git a/docs/admin/arch_public.dot b/docs/admin/arch_public.dot
index 526fb53da..49b03d157 100644
--- a/docs/admin/arch_public.dot
+++ b/docs/admin/arch_public.dot
@@ -6,7 +6,7 @@ digraph G {
   browser [label="browser", shape=tab, fillcolor=aliceblue];
   rp      [label="reverse proxy"];
   static  [label="static files", shape=folder, href="url to configure static files", fillcolor=lightgray];
-  uwsgi   [label="uwsgi", shape=parallelogram href="https://docs.searxng.org/utils/searx.sh.html"]
+  uwsgi   [label="uwsgi", shape=parallelogram href="https://docs.searxng.org/utils/searxng.sh.html"]
   redis     [label="redis DB", shape=cylinder];
   searxng1  [label="SearXNG #1", fontcolor=blue3];
   searxng2  [label="SearXNG #2", fontcolor=blue3];
diff --git a/docs/admin/update-searxng.rst b/docs/admin/update-searxng.rst
index b9d15c3f7..16715f00d 100644
--- a/docs/admin/update-searxng.rst
+++ b/docs/admin/update-searxng.rst
@@ -58,9 +58,6 @@ and then, to name just a few:
 - Bot protection has been switched from filtron to SearXNG's :ref:`limiter
   <limiter>`, this requires a :ref:`Redis <settings redis>` database.
 
-- The image proxy morty is no longer needed, it has been replaced by the
-  :ref:`image proxy <image_proxy>` from SearXNG.
-
 - To save bandwidth :ref:`cache busting <static_use_hash>` has been implemented.
   To get in use, the ``static-expires`` needs to be set in the :ref:`uwsgi
   setup`.
@@ -71,12 +68,6 @@ examples show, this is not always enough, sometimes services have to be set up
 or reconfigured and sometimes services that are no longer needed should be
 uninstalled.
 
-.. hint::
-
-   First of all: SearXNG is installed by the script :ref:`searxng.sh`.  If you
-   have old filtron, morty or searx setup you should consider complete
-   uninstall/reinstall.
-
 Here you will find a list of changes that affect the infrastructure.  Please
 check to what extent it is necessary to update your installations:
 
@@ -85,39 +76,6 @@ check to what extent it is necessary to update your installations:
   file manually.
 
 
-remove obsolete services
-------------------------
-
-If your searx instance was installed *"Step by step"* or by the *"Installation
-scripts"*, you need to undo the installation procedure completely.  If you have
-morty & filtron installed, it is recommended to uninstall these services also.
-In case of scripts, to uninstall use the scripts from the origin you installed
-searx from or try::
-
-  $ sudo -H ./utils/filtron.sh remove all
-  $ sudo -H ./utils/morty.sh   remove all
-  $ sudo -H ./utils/searx.sh   remove all
-
-.. hint::
-
-   If you are migrate from searx take into account that the ``.config.sh`` is no
-   longer used.
-
-If you upgrade from searx or from before :pull:`1332` has been merged and you
-have filtron and/or morty installed, don't forget to remove HTTP sites.
-
-Apache::
-
-  $ sudo -H ./utils/filtron.sh apache remove
-  $ sudo -H ./utils/morty.sh apache remove
-
-nginx::
-
-  $ sudo -H ./utils/filtron.sh nginx remove
-  $ sudo -H ./utils/morty.sh nginx remove
-
-
-
 Check after Installation
 ------------------------
 
@@ -130,9 +88,6 @@ to see if there are some left overs.  In this example there exists a *old*
    SearXNG checks
    --------------
    ERROR: settings.yml in /etc/searx/ is deprecated, move file to folder /etc/searxng/
-   INFO:  [OK] (old) account 'searx' does not exists
-   INFO:  [OK] (old) account 'filtron' does not exists
-   INFO:  [OK] (old) account 'morty' does not exists
    ...
    INFO    searx.redisdb                 : connecting to Redis db=0 path='/usr/local/searxng-redis/run/redis.sock'
    INFO    searx.redisdb                 : connected to Redis
diff --git a/docs/dev/lxcdev.rst b/docs/dev/lxcdev.rst
index 79716ae57..9edd9f672 100644
--- a/docs/dev/lxcdev.rst
+++ b/docs/dev/lxcdev.rst
@@ -319,13 +319,13 @@ To *inspect* the SearXNG instance (already described above):
 
      .. code:: bash
 
-        $ ./utils/searx.sh inspect service
+        $ ./utils/searxng.sh inspect service
 
   .. group-tab:: desktop (HOST)
 
      .. code:: bash
 
-        $ sudo -H ./utils/lxc.sh cmd searxng-archlinux ./utils/searx.sh inspect service
+        $ sudo -H ./utils/lxc.sh cmd searxng-archlinux ./utils/searxng.sh inspect service
 
 Run :ref:`makefile`, e.g. to test inside the container:
 
@@ -435,4 +435,3 @@ use:
    [searxng-archlinux]    SEARXNG_URL          : http:///n.n.n.140/searxng
    [searxng-archlinux]    SEARXNG_PORT         : 8888
    [searxng-archlinux]    SEARXNG_BIND_ADDRESS : 127.0.0.1
-
diff --git a/docs/own-instance.rst b/docs/own-instance.rst
index 7d79f26c2..8c0009aff 100644
--- a/docs/own-instance.rst
+++ b/docs/own-instance.rst
@@ -39,8 +39,7 @@ Removing private data means not sending cookies to external search engines and
 generating a random browser profile for every request.  Thus, it does not matter
 if a public or private instance handles the request, because it is anonymized in
 both cases.  The IP address used will be the IP of the instance, but SearXNG can also be
-configured to use proxy or Tor.  `Result proxy
-<https://github.com/asciimoo/morty>`__ is supported, too.
+configured to use proxy or Tor.
 
 SearXNG does not serve ads or tracking content, unlike most search services.  Therefore,
 private data is not forwarded to third parties who might monetize it.  Besides
diff --git a/docs/utils/searxng.sh.rst b/docs/utils/searxng.sh.rst
index bedc1ba4c..d45d7014f 100644
--- a/docs/utils/searxng.sh.rst
+++ b/docs/utils/searxng.sh.rst
@@ -28,7 +28,7 @@ In most cases you will install SearXNG simply by running the command:
 
 .. code::  bash
 
-   sudo -H ./utils/searx.sh install all
+   sudo -H ./utils/searxng.sh install all
 
 The installation is described in chapter :ref:`installation basic`.
 
diff --git a/searx/settings.yml b/searx/settings.yml
index d756e9b1c..7e0455701 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -169,18 +169,6 @@ ui:
 #     - image_proxy
 #     - query_in_title
 
-# searx supports result proxification using an external service:
-# https://github.com/asciimoo/morty uncomment below section if you have running
-# morty proxy the key is base64 encoded (keep the !!binary notation)
-# Note: since commit af77ec3, morty accepts a base64 encoded key.
-#
-# result_proxy:
-#   url: http://127.0.0.1:3000/
-#   # the key is a base64 encoded string, the YAML !!binary prefix is optional
-#   key: !!binary "your_morty_proxy_key"
-#   # [true|false] enable the "proxy" button next to each result
-#   proxify_results: true
-
 # communication with search engines
 #
 outgoing:
diff --git a/searx/settings_defaults.py b/searx/settings_defaults.py
index b91657ff6..4cee7e345 100644
--- a/searx/settings_defaults.py
+++ b/searx/settings_defaults.py
@@ -230,11 +230,6 @@ SCHEMA = {
         'extra_proxy_timeout': SettingsValue(int, 0),
         'networks': {},
     },
-    'result_proxy': {
-        'url': SettingsValue((None, str), None),
-        'key': SettingsBytesValue((None, bytes), None),
-        'proxify_results': SettingsValue(bool, False),
-    },
     'plugins': SettingsValue(dict, {}),
     'checker': {
         'off_when_debug': SettingsValue(bool, True, None),
diff --git a/searx/templates/simple/macros.html b/searx/templates/simple/macros.html
index 6010a5a3d..df8469d72 100644
--- a/searx/templates/simple/macros.html
+++ b/searx/templates/simple/macros.html
@@ -44,10 +44,10 @@
 {%- endmacro -%}
 
 <!-- Draw result sub footer -->
-{%- macro result_sub_footer(result, proxify) -%}
+{%- macro result_sub_footer(result) -%}
 <div class="engines">
   {% for engine in result.engines %}<span>{{ engine }}</span>{% endfor %}
-  {{ icon_small('ellipsis-vertical') + result_link(cache_url + result.url, _('cached'), "cache_link") }}&lrm; {% if proxify and proxify_results %} {{ result_link(proxify(result.url), _('proxied'), "proxyfied_link") }} {% endif %}
+  {{ icon_small('ellipsis-vertical') + result_link(cache_url + result.url, _('cached'), "cache_link") }}
 </div>{{- '' -}}
 <div class="break"></div>{{- '' -}}
 {%- endmacro -%}
diff --git a/searx/templates/simple/result_templates/code.html b/searx/templates/simple/result_templates/code.html
index 7d2c8ff79..49326aed5 100644
--- a/searx/templates/simple/result_templates/code.html
+++ b/searx/templates/simple/result_templates/code.html
@@ -28,5 +28,5 @@
     {{- result.codelines|code_highlighter(result.code_language)|safe -}}
 </div>
 
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 {{- result_footer(result) -}}
diff --git a/searx/templates/simple/result_templates/default.html b/searx/templates/simple/result_templates/default.html
index 263c19a36..8a6329248 100644
--- a/searx/templates/simple/result_templates/default.html
+++ b/searx/templates/simple/result_templates/default.html
@@ -14,7 +14,7 @@
     {{ _('This site did not provide any description.')|safe }}
   </p>
 {% endif -%}
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 {% if result.iframe_src -%}
 <div id="result-media-{{ index }}" class="embedded-content invisible">
   <iframe data-src="{{result.iframe_src}}" frameborder="0" allowfullscreen></iframe>
diff --git a/searx/templates/simple/result_templates/map.html b/searx/templates/simple/result_templates/map.html
index dc1f06dce..73a2701da 100644
--- a/searx/templates/simple/result_templates/map.html
+++ b/searx/templates/simple/result_templates/map.html
@@ -43,7 +43,7 @@
     <small> <a class="btn-collapse collapsed searxng_init_map hide_if_nojs" data-target="#result-map-{{ index }}" data-btn-text-collapsed="{{ _('show map') }}" data-btn-text-not-collapsed="{{ _('hide map') }}" data-leaflet-target="osm-map-{{ index }}" data-map-lon="{{ result.longitude }}" data-map-lat="{{ result.latitude }}" {% if result.boundingbox %}data-map-boundingbox='{{ result.boundingbox|tojson|safe }}'{% endif %} {% if result.geojson %}data-map-geojson='{{ result.geojson|tojson|safe }}'{% endif %}>{{ icon_small( 'globe') }} {{ _('show map') }}</a></small>
 {%- endif -%}
 
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 
 {% if (result.latitude and result.longitude) or result.boundingbox -%}
     <div id="result-map-{{ index }}" class="invisible"><div id="osm-map-{{ index }}" class="osm-map-box"></div></div>
diff --git a/searx/templates/simple/result_templates/paper.html b/searx/templates/simple/result_templates/paper.html
index dd610b903..7e94cf174 100644
--- a/searx/templates/simple/result_templates/paper.html
+++ b/searx/templates/simple/result_templates/paper.html
@@ -34,5 +34,5 @@
   {%- if result.html_url -%}{{ result_link(result.html_url, _('HTML')) }}{%- endif -%}
   {%- if result.doi %}{{ result_link('https://www.altmetric.com/details/doi/' + result.doi, 'Altmetric') }}{% endif -%}
 </p>
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 {{- result_footer(result) }}
diff --git a/searx/templates/simple/result_templates/products.html b/searx/templates/simple/result_templates/products.html
index ce599aef7..b5404fd8d 100644
--- a/searx/templates/simple/result_templates/products.html
+++ b/searx/templates/simple/result_templates/products.html
@@ -10,5 +10,5 @@
     {{ result.content|safe }}
   </p>
 {% endif -%}
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 {{- result_footer(result) }}
diff --git a/searx/templates/simple/result_templates/torrent.html b/searx/templates/simple/result_templates/torrent.html
index 0c870ae11..27e96dca4 100644
--- a/searx/templates/simple/result_templates/torrent.html
+++ b/searx/templates/simple/result_templates/torrent.html
@@ -19,5 +19,5 @@
     {%- if result.files %}{{ icon_big('file') }} <span class="badge">{{ result.files }} {{ _('Number of Files') }}</span>{%- endif -%}
 </p>
 {%- if result.content %}<p class="content">{{ result.content|safe }}</p>{%- endif -%}
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 {{- result_footer(result) -}}
diff --git a/searx/templates/simple/result_templates/videos.html b/searx/templates/simple/result_templates/videos.html
index 23d4195ca..8771cea1f 100644
--- a/searx/templates/simple/result_templates/videos.html
+++ b/searx/templates/simple/result_templates/videos.html
@@ -15,7 +15,7 @@
   </p>
 {% endif -%}
 </p>
-{{- result_sub_footer(result, proxify) -}}
+{{- result_sub_footer(result) -}}
 {% if result.iframe_src -%}
 <div id="result-video-{{ index }}" class="embedded-video invisible">
   <iframe data-src="{{result.iframe_src}}" frameborder="0" allowfullscreen></iframe>
diff --git a/searx/webapp.py b/searx/webapp.py
index 3b4cf1604..aaa2608c4 100755
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -7,8 +7,6 @@
 from __future__ import annotations
 
 import inspect
-import hashlib
-import hmac
 import json
 import os
 import sys
@@ -261,24 +259,6 @@ def custom_url_for(endpoint: str, **values):
     return url_for(endpoint, **values) + suffix
 
 
-def morty_proxify(url: str):
-    if not url:
-        return url
-
-    if url.startswith('//'):
-        url = 'https:' + url
-
-    if not settings['result_proxy']['url']:
-        return url
-
-    url_params = dict(mortyurl=url)
-
-    if settings['result_proxy']['key']:
-        url_params['mortyhash'] = hmac.new(settings['result_proxy']['key'], url.encode(), hashlib.sha256).hexdigest()
-
-    return '{0}?{1}'.format(settings['result_proxy']['url'], urlencode(url_params))
-
-
 def image_proxify(url: str):
     if not url:
         return url
@@ -300,9 +280,6 @@ def image_proxify(url: str):
             return url
         return None
 
-    if settings['result_proxy']['url']:
-        return morty_proxify(url)
-
     h = new_hmac(settings['server']['secret_key'], url.encode())
 
     return '{0}?{1}'.format(url_for('image_proxy'), urlencode(dict(url=url.encode(), h=h)))
@@ -424,8 +401,6 @@ def render(template_name: str, **kwargs):
     kwargs['url_for'] = custom_url_for  # override url_for function in templates
     kwargs['image_proxify'] = image_proxify
     kwargs['favicon_url'] = favicons.favicon_url
-    kwargs['proxify'] = morty_proxify if settings['result_proxy']['url'] is not None else None
-    kwargs['proxify_results'] = settings['result_proxy']['proxify_results']
     kwargs['cache_url'] = settings['ui']['cache_url']
     kwargs['get_result_template'] = get_result_template
     kwargs['opensearch_url'] = (
diff --git a/tests/unit/settings/user_settings_simple.yml b/tests/unit/settings/user_settings_simple.yml
index 6d6e73577..192c3a335 100644
--- a/tests/unit/settings/user_settings_simple.yml
+++ b/tests/unit/settings/user_settings_simple.yml
@@ -4,6 +4,3 @@ server:
   bind_address: "[::]"
   default_http_headers:
     Custom-Header: Custom-Value
-result_proxy:
-  url: https://localhost/morty
-  key: "$ecretKey"
diff --git a/utils/filtron.sh b/utils/filtron.sh
deleted file mode 100755
index 2ac3b6dfd..000000000
--- a/utils/filtron.sh
+++ /dev/null
@@ -1,125 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
-# shellcheck disable=SC2001
-
-# shellcheck source=utils/lib.sh
-source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
-
-# ----------------------------------------------------------------------------
-# config
-# ----------------------------------------------------------------------------
-
-PUBLIC_URL="${PUBLIC_URL:-${SEARXNG_URL}}"
-
-FILTRON_ETC="/etc/filtron"
-
-SERVICE_NAME="filtron"
-SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
-SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service"
-
-APACHE_FILTRON_SITE="searx.conf"
-NGINX_FILTRON_SITE="searx.conf"
-
-# ----------------------------------------------------------------------------
-usage() {
-# ----------------------------------------------------------------------------
-
-    # shellcheck disable=SC1117
-    cat <<EOF
-usage::
-  $(basename "$0") remove all
-  $(basename "$0") apache remove
-  $(basename "$0") nginx  remove
-
-remove all     : drop all components of the filtron service
-apache remove  : drop apache site ${APACHE_FILTRON_SITE}
-nginx  remove  : drop nginx site ${NGINX_FILTRON_SITE}
-
-environment:
-  PUBLIC_URL   : ${PUBLIC_URL}
-EOF
-
-    [[ -n ${1} ]] &&  err_msg "$1"
-}
-
-main() {
-    local _usage="unknown or missing $1 command $2"
-
-    case $1 in
-        -h|--help) usage; exit 0;;
-        remove)
-            sudo_or_exit
-            case $2 in
-                all) remove_all;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        apache)
-            sudo_or_exit
-            case $2 in
-                remove) remove_apache_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        nginx)
-            sudo_or_exit
-            case $2 in
-                remove) remove_nginx_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        *) usage "unknown or missing command $1"; exit 42;;
-    esac
-}
-
-remove_all() {
-    rst_title "De-Install $SERVICE_NAME (service)"
-
-    rst_para "\
-It goes without saying that this script can only be used to remove
-installations that were installed with this script."
-
-    if ! systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"; then
-        return 42
-    fi
-    drop_service_account "${SERVICE_USER}"
-    rm -r "$FILTRON_ETC" 2>&1 | prefix_stdout
-    if service_is_available "${PUBLIC_URL}"; then
-        MSG="** Don't forget to remove your public site! (${PUBLIC_URL}) **" wait_key 10
-    fi
-}
-
-remove_apache_site() {
-
-    rst_title "Remove Apache site $APACHE_FILTRON_SITE"
-
-    rst_para "\
-This removes apache site ${APACHE_FILTRON_SITE}."
-
-    ! apache_is_installed && err_msg "Apache is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    apache_remove_site "$APACHE_FILTRON_SITE"
-
-}
-
-remove_nginx_site() {
-
-    rst_title "Remove nginx site $NGINX_FILTRON_SITE"
-
-    rst_para "\
-This removes nginx site ${NGINX_FILTRON_SITE}."
-
-    ! nginx_is_installed && err_msg "nginx is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    nginx_remove_app "$FILTRON_FILTRON_SITE"
-
-}
-
-# ----------------------------------------------------------------------------
-main "$@"
-# ----------------------------------------------------------------------------
diff --git a/utils/lib.sh b/utils/lib.sh
index ead4b0c61..d3d515c0a 100755
--- a/utils/lib.sh
+++ b/utils/lib.sh
@@ -1802,8 +1802,8 @@ url_replace_hostname(){
 
     # to replace hostname by primary IP::
     #
-    #   url_replace_hostname http://searx-ubu1604/morty $(primary_ip)
-    #   http://10.246.86.250/morty
+    #   url_replace_hostname http://searx-ubu1604/example $(primary_ip)
+    #   http://10.246.86.250/example
 
     # shellcheck disable=SC2001
     echo "$1" | sed "s|\(http[s]*://\)[^/]*\(.*\)|\1$2\2|"
diff --git a/utils/morty.sh b/utils/morty.sh
deleted file mode 100755
index 52f0fec31..000000000
--- a/utils/morty.sh
+++ /dev/null
@@ -1,124 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-# shellcheck source=utils/lib.sh
-source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
-
-# ----------------------------------------------------------------------------
-# config
-# ----------------------------------------------------------------------------
-
-PUBLIC_URL="${PUBLIC_URL:-${SEARXNG_URL}}"
-
-MORTY_LISTEN="${MORTY_LISTEN:-127.0.0.1:3000}"
-PUBLIC_URL_PATH_MORTY="${PUBLIC_URL_PATH_MORTY:-/morty/}"
-PUBLIC_URL_MORTY="${PUBLIC_URL_MORTY:-$(echo "$PUBLIC_URL" |  sed -e's,^\(.*://[^/]*\).*,\1,g')${PUBLIC_URL_PATH_MORTY}}"
-
-SERVICE_NAME="morty"
-SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
-SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service"
-
-# Apache Settings
-
-APACHE_MORTY_SITE="morty.conf"
-NGINX_MORTY_SITE="morty.conf"
-
-# ----------------------------------------------------------------------------
-usage() {
-# ----------------------------------------------------------------------------
-
-    # shellcheck disable=SC1117
-    cat <<EOF
-usage::
-  $(basename "$0") remove all
-  $(basename "$0") apache remove
-  $(basename "$0") nginx  remove
-
-remove all     : drop all components of the morty service
-apache remove  : drop apache site ${APACHE_MORTY_SITE}
-nginx  remove  : drop nginx site ${NGINX_MORTY_SITE}
-
-environment:
-  PUBLIC_URL_MORTY   : ${PUBLIC_URL_MORTY}
-EOF
-
-    [[ -n ${1} ]] &&  err_msg "$1"
-}
-
-main() {
-    local _usage="ERROR: unknown or missing $1 command $2"
-
-    case $1 in
-        -h|--help) usage; exit 0;;
-        remove)
-            sudo_or_exit
-            case $2 in
-                all) remove_all;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        apache)
-            sudo_or_exit
-            case $2 in
-                remove) remove_apache_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        nginx)
-            sudo_or_exit
-            case $2 in
-                remove) remove_nginx_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        *) usage "ERROR: unknown or missing command $1"; exit 42;;
-    esac
-}
-
-
-remove_all() {
-    rst_title "De-Install $SERVICE_NAME (service)"
-
-    rst_para "\
-It goes without saying that this script can only be used to remove
-installations that were installed with this script."
-
-    if systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"; then
-        drop_service_account "${SERVICE_USER}"
-    fi
-}
-
-
-remove_apache_site() {
-
-    rst_title "Remove Apache site $APACHE_MORTY_SITE"
-
-    rst_para "\
-This removes apache site ${APACHE_MORTY_SITE}."
-
-    ! apache_is_installed && err_msg "Apache is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    apache_remove_site "$APACHE_MORTY_SITE"
-}
-
-remove_nginx_site() {
-
-    rst_title "Remove nginx site $NGINX_MORTY_SITE"
-
-    rst_para "\
-This removes nginx site ${NGINX_MORTY_SITE}."
-
-    ! nginx_is_installed && err_msg "nginx is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    nginx_remove_app "$NGINX_MORTY_SITE"
-
-}
-
-# ----------------------------------------------------------------------------
-main "$@"
-# ----------------------------------------------------------------------------
diff --git a/utils/searx.sh b/utils/searx.sh
deleted file mode 100755
index 1d339cd68..000000000
--- a/utils/searx.sh
+++ /dev/null
@@ -1,88 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
-# shellcheck disable=SC2001
-
-# shellcheck source=utils/lib.sh
-source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
-
-# ----------------------------------------------------------------------------
-# config
-# ----------------------------------------------------------------------------
-
-PUBLIC_URL="${PUBLIC_URL:-${SEARXNG_URL}}"
-
-SERVICE_NAME="searx"
-SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
-SEARXNG_SETTINGS_PATH="/etc/searx/settings.yml"
-SEARXNG_UWSGI_APP="searx.ini"
-
-# ----------------------------------------------------------------------------
-usage() {
-# ----------------------------------------------------------------------------
-
-    # shellcheck disable=SC1117
-    cat <<EOF
-usage::
-  $(basename "$0") remove     all
-
-remove all:    complete uninstall of SearXNG service
-
-environment:
-  PUBLIC_URL   : ${PUBLIC_URL}
-EOF
-
-    [[ -n ${1} ]] &&  err_msg "$1"
-}
-
-main() {
-
-    local _usage="unknown or missing $1 command $2"
-
-    case $1 in
-        remove)
-            rst_title "SearXNG (remove)" part
-            sudo_or_exit
-            case $2 in
-                all) remove_all;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        *) usage "unknown or missing command $1"; exit 42;;
-    esac
-}
-
-remove_all() {
-    rst_title "De-Install SearXNG (service)"
-
-    rst_para "\
-It goes without saying that this script can only be used to remove
-installations that were installed with this script."
-
-    if ! ask_yn "Do you really want to deinstall SearXNG?"; then
-        return
-    fi
-    remove_searx_uwsgi
-    drop_service_account "${SERVICE_USER}"
-    remove_settings
-    wait_key
-    if service_is_available "${PUBLIC_URL}"; then
-        MSG="** Don't forget to remove your public site! (${PUBLIC_URL}) **" wait_key 10
-    fi
-}
-
-remove_settings() {
-    rst_title "remove SearXNG settings" section
-    echo
-    info_msg "delete ${SEARXNG_SETTINGS_PATH}"
-    rm -f "${SEARXNG_SETTINGS_PATH}"
-}
-
-remove_searx_uwsgi() {
-    rst_title "Remove SearXNG's uWSGI app (searxng.ini)" section
-    echo
-    uWSGI_remove_app "$SEARXNG_UWSGI_APP"
-}
-
-
-# ----------------------------------------------------------------------------
-main "$@"
-# ----------------------------------------------------------------------------
diff --git a/utils/searxng.sh b/utils/searxng.sh
index c6c9d5ea8..b34298e85 100755
--- a/utils/searxng.sh
+++ b/utils/searxng.sh
@@ -553,15 +553,6 @@ searxng.remove.settings() {
 
 searxng.check() {
     rst_title "SearXNG checks" section
-
-    for NAME in "searx" "filtron" "morty"; do
-        if service_account_is_available "${NAME}"; then
-            err_msg "There exists an old '${NAME}' account from a previous installation."
-        else
-            info_msg "[OK] (old) account '${NAME}' does not exists"
-        fi
-    done
-
     "${SEARXNG_PYENV}/bin/python" "${SEARXNG_SRC}/utils/searxng_check.py"
 }
 
diff --git a/utils/templates/lib/systemd/system/filtron.service b/utils/templates/lib/systemd/system/filtron.service
deleted file mode 100644
index 3b0c6edcc..000000000
--- a/utils/templates/lib/systemd/system/filtron.service
+++ /dev/null
@@ -1,29 +0,0 @@
-[Unit]
-
-Description=${SERVICE_NAME}
-After=syslog.target
-After=network.target
-
-[Service]
-
-Type=simple
-User=${SERVICE_USER}
-Group=${SERVICE_GROUP}
-WorkingDirectory=${SERVICE_HOME}
-ExecStart=${SERVICE_HOME}/go-apps/bin/filtron -api '${FILTRON_API}' -listen '${FILTRON_LISTEN}' -rules '${FILTRON_RULES}' -target '${FILTRON_TARGET}'
-
-Restart=always
-Environment=USER=${SERVICE_USER} HOME=${SERVICE_HOME}
-
-# Some distributions may not support these hardening directives.  If you cannot
-# start the service due to an unknown option, comment out the ones not supported
-# by your version of systemd.
-
-ProtectSystem=full
-PrivateDevices=yes
-PrivateTmp=yes
-NoNewPrivileges=true
-
-[Install]
-
-WantedBy=multi-user.target
diff --git a/utils/templates/lib/systemd/system/morty.service b/utils/templates/lib/systemd/system/morty.service
deleted file mode 100644
index 25b676b51..000000000
--- a/utils/templates/lib/systemd/system/morty.service
+++ /dev/null
@@ -1,29 +0,0 @@
-[Unit]
-
-Description=${SERVICE_NAME}
-After=syslog.target
-After=network.target
-
-[Service]
-
-Type=simple
-User=${SERVICE_USER}
-Group=${SERVICE_GROUP}
-WorkingDirectory=${SERVICE_HOME}
-ExecStart=${SERVICE_HOME}/go-apps/bin/morty -key '${MORTY_KEY}' -listen '${MORTY_LISTEN}' -timeout ${MORTY_TIMEOUT}
-
-Restart=always
-Environment=USER=${SERVICE_USER} HOME=${SERVICE_HOME} DEBUG=${SERVICE_ENV_DEBUG}
-
-# Some distributions may not support these hardening directives.  If you cannot
-# start the service due to an unknown option, comment out the ones not supported
-# by your version of systemd.
-
-ProtectSystem=full
-PrivateDevices=yes
-PrivateTmp=yes
-NoNewPrivileges=true
-
-[Install]
-
-WantedBy=multi-user.target