diff --git a/utils/filtron.sh b/utils/filtron.sh
deleted file mode 100755
index 2536214e4..000000000
--- a/utils/filtron.sh
+++ /dev/null
@@ -1,629 +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"
-# shellcheck source=utils/lib_go.sh
-source "${REPO_ROOT}/utils/lib_go.sh"
-# shellcheck source=utils/lib_install.sh
-source "${REPO_ROOT}/utils/lib_install.sh"
-
-# ----------------------------------------------------------------------------
-# config
-# ----------------------------------------------------------------------------
-
-PUBLIC_HOST="${PUBLIC_HOST:-$(echo "$PUBLIC_URL" | sed -e 's/[^/]*\/\/\([^@]*@\)\?\([^:/]*\).*/\2/')}"
-
-FILTRON_URL_PATH="${FILTRON_URL_PATH:-$(echo "${PUBLIC_URL}" \
-| sed -e 's,^.*://[^/]*\(/.*\),\1,g')}"
-[[ "${FILTRON_URL_PATH}" == "${PUBLIC_URL}" ]] && FILTRON_URL_PATH=/
-
-FILTRON_ETC="/etc/filtron"
-FILTRON_RULES="$FILTRON_ETC/rules.json"
-FILTRON_RULES_TEMPLATE="${FILTRON_RULES_TEMPLATE:-${REPO_ROOT}/utils/templates/etc/filtron/rules.json}"
-
-FILTRON_API="${FILTRON_API:-127.0.0.1:4005}"
-FILTRON_LISTEN="${FILTRON_LISTEN:-127.0.0.1:4004}"
-
-# The filtron target is the SearXNG installation, listenning on server.port at
-# server.bind_address.  The default of FILTRON_TARGET is taken from the YAML
-# configuration, do not change this value without reinstalling the entire
-# SearXNG suite including filtron & morty.
-FILTRON_TARGET="${SEARXNG_BIND_ADDRESS}:${SEARXNG_PORT}"
-
-SERVICE_NAME="filtron"
-SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
-SERVICE_HOME_BASE="${SERVICE_HOME_BASE:-/usr/local}"
-SERVICE_HOME="${SERVICE_HOME_BASE}/${SERVICE_USER}"
-SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service"
-# shellcheck disable=SC2034
-SERVICE_GROUP="${SERVICE_USER}"
-
-# shellcheck disable=SC2034
-SERVICE_GROUP="${SERVICE_USER}"
-
-GO_ENV="${SERVICE_HOME}/.go_env"
-GO_VERSION="go1.17.2"
-
-APACHE_FILTRON_SITE="searxng.conf"
-NGINX_FILTRON_SITE="searxng.conf"
-
-# shellcheck disable=SC2034
-CONFIG_FILES=(
-    "${FILTRON_RULES}"
-    "${SERVICE_SYSTEMD_UNIT}"
-)
-
-# ----------------------------------------------------------------------------
-usage() {
-# ----------------------------------------------------------------------------
-
-    # shellcheck disable=SC1117
-    cat <<EOF
-usage::
-  $(basename "$0") shell
-  $(basename "$0") install    [all|user|rules]
-  $(basename "$0") reinstall  all
-  $(basename "$0") update     [filtron]
-  $(basename "$0") remove     [all]
-  $(basename "$0") activate   [service]
-  $(basename "$0") deactivate [service]
-  $(basename "$0") inspect    [service]
-  $(basename "$0") option     [debug-on|debug-off]
-  $(basename "$0") apache     [install|remove]
-  $(basename "$0") nginx      [install|remove]
-
-shell
-  start interactive shell from user ${SERVICE_USER}
-install / remove
-  :all:        complete setup of filtron service
-  :user:       add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
-  :rules:      reinstall filtron rules $FILTRON_RULES
-install
-  :check:      check the filtron installation
-reinstall:
-  :all:        runs 'install/remove all'
-update filtron
-  Update filtron installation ($SERVICE_HOME)
-activate service
-  activate and start service daemon (systemd unit)
-deactivate service
-  stop and deactivate service daemon (systemd unit)
-inspect service
-  show service status and log
-option
-  set one of the available options
-apache (${PUBLIC_URL})
-  :install: apache site with a reverse proxy (ProxyPass)
-  :remove:  apache site ${APACHE_FILTRON_SITE}
-nginx (${PUBLIC_URL})
-  :install: nginx site with a reverse proxy (ProxyPass)
-  :remove:  nginx site ${NGINX_FILTRON_SITE}
-filtron rules: ${FILTRON_RULES_TEMPLATE}
----- sourced ${DOT_CONFIG} :
-  SERVICE_USER        : ${SERVICE_USER}
-  SERVICE_HOME        : ${SERVICE_HOME}
-  FILTRON_TARGET      : ${FILTRON_TARGET}
-  FILTRON_API         : ${FILTRON_API}
-  FILTRON_LISTEN      : ${FILTRON_LISTEN}
-  FILTRON_URL_PATH    : ${FILTRON_URL_PATH}
-EOF
-
-    install_log_searx_instance
-    [[ -n ${1} ]] &&  err_msg "$1"
-}
-
-main() {
-    required_commands \
-        sudo install git wget curl \
-        || exit
-
-    local _usage="unknown or missing $1 command $2"
-
-    case $1 in
-        --getenv)  var="$2"; echo "${!var}"; exit 0;;
-        -h|--help) usage; exit 0;;
-
-        shell)
-            sudo_or_exit
-            interactive_shell "${SERVICE_USER}"
-            ;;
-        inspect)
-            case $2 in
-                service)
-                    sudo_or_exit
-                    inspect_service
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        reinstall)
-            rst_title "re-install $SERVICE_NAME" part
-            sudo_or_exit
-            case $2 in
-                all)
-                    remove_all
-                    install_all
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        install)
-            rst_title "$SERVICE_NAME" part
-            sudo_or_exit
-            case $2 in
-                check)
-                    rst_title "Check filtron installation" part
-                    install_check
-                    ;;
-                all) install_all ;;
-                user) assert_user ;;
-                rules)
-                    install_rules
-                    systemd_restart_service "${SERVICE_NAME}"
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        update)
-            sudo_or_exit
-            case $2 in
-                filtron) update_filtron ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        remove)
-            sudo_or_exit
-            case $2 in
-                all) remove_all;;
-                user) drop_service_account "${SERVICE_USER}" ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        activate)
-            sudo_or_exit
-            case $2 in
-                service)  systemd_activate_service "${SERVICE_NAME}" ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        deactivate)
-            sudo_or_exit
-            case $2 in
-                service)  systemd_deactivate_service "${SERVICE_NAME}" ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        apache)
-            sudo_or_exit
-            case $2 in
-                install) install_apache_site ;;
-                remove) remove_apache_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        nginx)
-            sudo_or_exit
-            case $2 in
-                install) install_nginx_site ;;
-                remove) remove_nginx_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        option)
-            sudo_or_exit
-            case $2 in
-                debug-on)  echo; enable_debug ;;
-                debug-off)  echo; disable_debug ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        doc) rst-doc ;;
-        *) usage "unknown or missing command $1"; exit 42;;
-    esac
-}
-
-install_all() {
-    rst_title "Install $SERVICE_NAME (service)"
-    assert_user
-    wait_key
-    go.golang "${GO_VERSION}" "${SERVICE_USER}"
-    wait_key
-    install_filtron
-    install_rules
-    wait_key
-    systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
-    wait_key
-    echo
-    if ! service_is_available "http://${FILTRON_LISTEN}" ; then
-        err_msg "Filtron is not listening on: http://${FILTRON_LISTEN}"
-    fi
-    if apache_is_installed; then
-        info_msg "Apache is installed on this host."
-        if ask_yn "Do you want to install a reverse proxy (ProxyPass)" Yn; then
-            install_apache_site
-        fi
-    elif nginx_is_installed; then
-        info_msg "nginx is installed on this host."
-        if ask_yn "Do you want to install a reverse proxy (ProxyPass)" Yn; then
-            install_nginx_site
-        fi
-    fi
-    if ask_yn "Do you want to inspect the installation?" Ny; then
-        inspect_service
-    fi
-
-}
-
-install_check() {
-
-    if service_account_is_available "$SERVICE_USER"; then
-        info_msg "service account $SERVICE_USER available."
-    else
-        err_msg "service account $SERVICE_USER not available!"
-    fi
-    if go_is_available "$SERVICE_USER"; then
-        info_msg "~$SERVICE_USER: go is installed"
-    else
-        err_msg "~$SERVICE_USER: go is not installed"
-    fi
-    if filtron_is_installed; then
-        info_msg "~$SERVICE_USER: filtron app is installed"
-    else
-        err_msg "~$SERVICE_USER: filtron app is not installed!"
-    fi
-
-    if ! service_is_available "http://${FILTRON_API}"; then
-        err_msg "API not available at: http://${FILTRON_API}"
-    fi
-
-    if ! service_is_available "http://${FILTRON_LISTEN}" ; then
-        err_msg "Filtron is not listening on: http://${FILTRON_LISTEN}"
-    fi
-
-    if service_is_available "http://${FILTRON_TARGET}" ; then
-        info_msg "Filtron's target is available at: http://${FILTRON_TARGET}"
-    fi
-
-    if ! service_is_available "${PUBLIC_URL}"; then
-        warn_msg "Public service at ${PUBLIC_URL} is not available!"
-        if ! in_container; then
-            warn_msg "Check if public name is correct and routed or use the public IP from above."
-        fi
-    fi
-
-    if [[ "${GO_VERSION}" > "$(go_version)" ]]; then
-        warn_msg "golang ($(go_version)) needs to be $GO_VERSION at least"
-        warn_msg "you need to reinstall $SERVICE_USER --> $0 reinstall all"
-    else
-        info_msg "golang $(go_version) is installed (min needed is: $GO_VERSION)"
-    fi
-
-    if [ -f "${APACHE_SITES_AVAILABLE}/searx.conf" ]; then
-        warn_msg "old searx.conf apache site exists"
-    fi
-
-    if [ -f "${NGINX_APPS_AVAILABLE}/searx.conf" ]; then
-        warn_msg "old searx.conf nginx site exists"
-    fi
-
-}
-
-go_version(){
-    go.version "${SERVICE_USER}"
-}
-
-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
-}
-
-assert_user() {
-    rst_title "user $SERVICE_USER" section
-    echo
-    tee_stderr 1 <<EOF | bash | prefix_stdout
-useradd --shell /bin/bash --system \
- --home-dir "$SERVICE_HOME" \
- --comment 'Reverse HTTP proxy to filter requests' $SERVICE_USER
-mkdir "$SERVICE_HOME"
-chown -R "$SERVICE_GROUP:$SERVICE_GROUP" "$SERVICE_HOME"
-groups $SERVICE_USER
-EOF
-    SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)"
-    export SERVICE_HOME
-    echo "export SERVICE_HOME=$SERVICE_HOME"
-
-    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER"
-touch "$GO_ENV"
-grep -qFs -- 'source "$GO_ENV"' ~/.profile || echo 'source "$GO_ENV"' >> ~/.profile
-EOF
-}
-
-filtron_is_installed() {
-    [[ -f $SERVICE_HOME/go-apps/bin/filtron ]]
-}
-
-install_filtron() {
-    rst_title "Install filtron in user's ~/go-apps" section
-    echo
-    go.install github.com/searxng/filtron@latest "${SERVICE_USER}"
-}
-
-update_filtron() {
-    rst_title "Update filtron" section
-    echo
-    go.install github.com/searxng/filtron@latest "${SERVICE_USER}"
-}
-
-install_rules() {
-    rst_title "Install filtron rules"
-    echo
-    if [[ ! -f "${FILTRON_RULES}" ]]; then
-        info_msg "install rules ${FILTRON_RULES_TEMPLATE}"
-        info_msg "  --> ${FILTRON_RULES}"
-        mkdir -p "$(dirname "${FILTRON_RULES}")"
-        cp "${FILTRON_RULES_TEMPLATE}" "${FILTRON_RULES}"
-        return
-    fi
-
-    if cmp --silent "${FILTRON_RULES}" "${FILTRON_RULES_TEMPLATE}"; then
-        info_msg "${FILTRON_RULES} is up to date with"
-        info_msg "${FILTRON_RULES_TEMPLATE}"
-        return
-    fi
-
-    rst_para "Diff between origin's rules file (+) and current (-):"
-    echo "${FILTRON_RULES}" "${FILTRON_RULES_TEMPLATE}"
-    $DIFF_CMD "${FILTRON_RULES}" "${FILTRON_RULES_TEMPLATE}"
-
-    local action
-    choose_one action "What should happen to the rules file? " \
-           "keep configuration unchanged" \
-           "use origin rules" \
-           "start interactive shell"
-    case $action in
-        "keep configuration unchanged")
-            info_msg "leave rules file unchanged"
-            ;;
-        "use origin rules")
-            backup_file "${FILTRON_RULES}"
-            info_msg "install origin rules"
-            cp "${FILTRON_RULES_TEMPLATE}" "${FILTRON_RULES}"
-            ;;
-        "start interactive shell")
-            backup_file "${FILTRON_RULES}"
-            echo -e "// exit with [${_BCyan}CTRL-D${_creset}]"
-            sudo -H -i
-            rst_para 'Diff between new rules file (-) and current (+):'
-            echo
-            $DIFF_CMD "${FILTRON_RULES_TEMPLATE}" "${FILTRON_RULES}"
-            wait_key
-            ;;
-    esac
-}
-
-inspect_service() {
-
-    rst_title "service status & log"
-
-    cat <<EOF
-
-sourced ${DOT_CONFIG} :
-  SERVICE_USER        : ${SERVICE_USER}
-  SERVICE_HOME        : ${SERVICE_HOME}
-  FILTRON_TARGET      : ${FILTRON_TARGET}
-  FILTRON_API         : ${FILTRON_API}
-  FILTRON_LISTEN      : ${FILTRON_LISTEN}
-  FILTRON_URL_PATH    : ${FILTRON_URL_PATH}
-EOF
-    install_log_searx_instance
-
-    install_check
-
-    if in_container; then
-        lxc_suite_info
-    else
-        info_msg "public URL   --> ${PUBLIC_URL}"
-        info_msg "internal URL --> http://${FILTRON_LISTEN}"
-    fi
-
-
-    local _debug_on
-    if ask_yn "Enable filtron debug mode?"; then
-        enable_debug
-        _debug_on=1
-    fi
-    echo
-    systemctl --no-pager -l status "${SERVICE_NAME}"
-    echo
-
-    info_msg "public URL --> ${PUBLIC_URL}"
-    # shellcheck disable=SC2059
-    printf "// use ${_BCyan}CTRL-C${_creset} to stop monitoring the log"
-    read -r -s -n1 -t 5
-    echo
-    while true;  do
-        trap break 2
-        journalctl -f -u "${SERVICE_NAME}"
-    done
-
-    if [[ $_debug_on == 1 ]]; then
-        disable_debug
-    fi
-    return 0
-}
-
-
-enable_debug() {
-    info_msg "try to enable debug mode ..."
-    python <<EOF
-import sys, json
-
-debug = {
-    u'name': u'debug request'
-    , u'filters': []
-    , u'interval': 0
-    , u'limit': 0
-    , u'actions': [{u'name': u'log'}]
-}
-
-with open('$FILTRON_RULES') as rules:
-    j = json.load(rules)
-
-pos = None
-for i in range(len(j)):
-    if j[i].get('name') == 'debug request':
-        pos = i
-        break
-if pos is not None:
-    j[pos] = debug
-else:
-    j.append(debug)
-with open('$FILTRON_RULES', 'w') as rules:
-    json.dump(j, rules, indent=2, sort_keys=True)
-
-EOF
-    systemctl restart "${SERVICE_NAME}.service"
-}
-
-disable_debug() {
-    info_msg "try to disable debug mode ..."
-    python <<EOF
-import sys, json
-with open('$FILTRON_RULES') as rules:
-    j = json.load(rules)
-
-pos = None
-for i in range(len(j)):
-    if j[i].get('name') == 'debug request':
-        pos = i
-        break
-if pos is not None:
-    del j[pos]
-    with open('$FILTRON_RULES', 'w') as rules:
-         json.dump(j, rules, indent=2, sort_keys=True)
-EOF
-    systemctl restart "${SERVICE_NAME}.service"
-}
-
-install_apache_site() {
-
-    rst_title "Install Apache site $APACHE_FILTRON_SITE"
-
-    rst_para "\
-This installs a reverse proxy (ProxyPass) into apache site (${APACHE_FILTRON_SITE})"
-
-    ! apache_is_installed && info_msg "Apache is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    else
-        install_apache
-    fi
-
-    "${REPO_ROOT}/utils/searx.sh" install uwsgi
-
-    apache_install_site --variant=filtron "${APACHE_FILTRON_SITE}"
-
-    info_msg "testing public url .."
-    if ! service_is_available "${PUBLIC_URL}"; then
-        err_msg "Public service at ${PUBLIC_URL} is not available!"
-    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"
-
-}
-
-install_nginx_site() {
-
-    rst_title "Install nginx site $NGINX_FILTRON_SITE"
-
-    rst_para "\
-This installs a reverse proxy (ProxyPass) into nginx site (${NGINX_FILTRON_SITE})"
-
-    ! nginx_is_installed && info_msg "nginx is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    else
-        install_nginx
-    fi
-
-    "${REPO_ROOT}/utils/searx.sh" install uwsgi
-
-    # shellcheck disable=SC2034
-    SEARX_SRC=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_SRC)
-    # shellcheck disable=SC2034
-    SEARXNG_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARXNG_URL_PATH)
-    nginx_install_app --variant=filtron "${NGINX_FILTRON_SITE}"
-
-    info_msg "testing public url .."
-    if ! service_is_available "${PUBLIC_URL}"; then
-        err_msg "Public service at ${PUBLIC_URL} is not available!"
-    fi
-}
-
-remove_nginx_site() {
-
-    rst_title "Remove nginx site $NGINX_FILTRON_SITE"
-
-    rst_para "\
-This removes nginx site ${NGINX_FILTRON_SITE}."
-
-    ! nginx_is_installed && err_msg "nginx is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    nginx_remove_site "$FILTRON_FILTRON_SITE"
-
-}
-
-
-rst-doc() {
-
-    eval "echo \"$(< "${REPO_ROOT}/docs/build-templates/filtron.rst")\""
-
-    echo -e "\n.. START install systemd unit"
-    cat <<EOF
-.. tabs::
-
-   .. group-tab:: systemd
-
-      .. code:: bash
-
-EOF
-    eval "echo \"$(< "${TEMPLATES}/${SERVICE_SYSTEMD_UNIT}")\"" | prefix_stdout "         "
-    echo -e "\n.. END install systemd unit"
-
-    # for DIST_NAME in ubuntu-20.04 arch fedora centos; do
-    #     (
-    #         DIST_ID=${DIST_NAME%-*}
-    #         DIST_VERS=${DIST_NAME#*-}
-    #         [[ $DIST_VERS =~ $DIST_ID ]] && DIST_VERS=
-    #         # ...
-    #     )
-    # done
-}
-
-# ----------------------------------------------------------------------------
-main "$@"
-# ----------------------------------------------------------------------------
diff --git a/utils/lib.sh b/utils/lib.sh
index 257c15024..d0437e0d8 100755
--- a/utils/lib.sh
+++ b/utils/lib.sh
@@ -1820,19 +1820,3 @@ primary_ip() {
         *)  hostname -I | cut -d' ' -f1 ;;
     esac
 }
-
-# URL
-# ---
-
-url_replace_hostname(){
-
-    # usage:  url_replace_hostname <url> <new hostname>
-
-    # to replace hostname by primary IP::
-    #
-    #   url_replace_hostname http://searx-ubu1604/morty $(primary_ip)
-    #   http://10.246.86.250/morty
-
-    # shellcheck disable=SC2001
-    echo "$1" | sed "s|\(http[s]*://\)[^/]*\(.*\)|\1$2\2|"
-}
diff --git a/utils/lib_go.sh b/utils/lib_go.sh
deleted file mode 100755
index 314204e1a..000000000
--- a/utils/lib_go.sh
+++ /dev/null
@@ -1,214 +0,0 @@
-#!/usr/bin/env bash
-# -*- coding: utf-8; mode: sh indent-tabs-mode: nil -*-
-# SPDX-License-Identifier: AGPL-3.0-or-later
-#
-# Tools to install and maintain golang [1] binaries & packages.
-#
-# [1] https://golang.org/doc/devel/release#policy
-#
-# A simple *helloworld* test with user 'my_user' :
-#
-#   sudo -H adduser my_user
-#   ./manage go.golang go1.17.3 my_user
-#   ./manage go.install github.com/go-training/helloworld@latest my_user
-#   ./manage go.bash my_user
-#   $ helloword
-#   Hello World!!
-#
-# Don't forget to remove 'my_user':  sudo -H deluser --remove-home my_user
-
-# shellcheck source=utils/lib.sh
-. /dev/null
-
-# shellcheck disable=SC2034
-declare main_cmd
-
-# configure golang environment
-# ----------------------------
-
-[[ -z "${GO_VERSION}" ]] && GO_VERSION="go1.17.3"
-
-GO_DL_URL="https://golang.org/dl"
-
-# implement go functions
-# -----------------------
-
-go.help(){
-    cat <<EOF
-go.:
-  ls        : list golang binary archives (stable)
-  golang    : (re-) install golang binary in user's \$HOME/local folder
-  install   : install go package in user's \$HOME/go-apps folder
-  bash      : start bash interpreter with golang environment sourced
-EOF
-}
-
-go.ls(){
-    python3 <<EOF
-import sys, json, requests
-resp = requests.get("${GO_DL_URL}/?mode=json&include=all")
-for ver in json.loads(resp.text):
-    if not ver['stable']:
-        continue
-    for f in ver['files']:
-        if f['kind'] != 'archive' or not f['size'] or not f['sha256'] or len(f['os']) < 2:
-            continue
-        print(" %(version)-10s|%(os)-8s|%(arch)-8s|%(filename)-30s|%(size)-10s|%(sha256)s" % f)
-EOF
-}
-
-go.ver_info(){
-
-    # print informations about a golang distribution. To print filename
-    # sha256 and size of the archive that fits to your OS and host:
-    #
-    #   go.ver_info "${GO_VERSION}" archive "$(go.os)" "$(go.arch)" filename sha256 size
-    #
-    # usage: go.ver_info <go-vers> <kind> <os> <arch> [filename|sha256|size]
-    #
-    # kind:  [archive|source|installer]
-    # os:    [darwin|freebsd|linux|windows]
-    # arch:  [amd64|arm64|386|armv6l|ppc64le|s390x]
-
-    python3 - "$@" <<EOF
-import sys, json, requests
-resp = requests.get("${GO_DL_URL}/?mode=json&include=all")
-for ver in json.loads(resp.text):
-    if ver['version'] != sys.argv[1]:
-        continue
-    for f in ver['files']:
-        if (f['kind'] != sys.argv[2] or f['os'] != sys.argv[3] or f['arch'] != sys.argv[4]):
-            continue
-        for x in sys.argv[5:]:
-           print(f[x])
-        sys.exit(0)
-sys.exit(42)
-EOF
-}
-
-go.os() {
-  local OS
-  case "$(command uname -a)xx" in
-    Linux\ *) OS=linux ;;
-    Darwin\ *) OS=darwin ;;
-    FreeBSD\ *) OS=freebsd ;;
-    CYGWIN* | MSYS* | MINGW*) OS=windows ;;
-    *)  die 42 "OS is unknown: $(command uname -a)" ;;
-  esac
-  echo "${OS}"
-}
-
-go.arch() {
-    local ARCH
-    case "$(command uname -m)" in
-        "x86_64") ARCH=amd64 ;;
-        "aarch64") ARCH=arm64 ;;
-        "armv6" | "armv7l") ARCH=armv6l ;;
-        "armv8") ARCH=arm64 ;;
-        .*386.*) ARCH=386 ;;
-        ppc64*) ARCH=ppc64le ;;
-    *)  die 42 "ARCH is unknown: $(command uname -m)" ;;
-    esac
-    echo "${ARCH}"
-}
-
-go.golang() {
-
-    # install golang binary in user's $HOME/local folder:
-    #
-    #   go.golang ${GO_VERSION} ${SERVICE_USER}
-    #
-    # usage:  go.golang <go-vers> [<username>]
-
-    local version fname sha size user userpr
-    local buf=()
-
-    version="${1:-${GO_VERSION}}"
-    user="${2:-${USERNAME}}"
-    userpr="  ${_Yellow}|${user}|${_creset} "
-
-    rst_title "Install Go in ${user}'s HOME" section
-
-    mapfile -t buf < <(
-        go.ver_info "${version}" archive "$(go.os)" "$(go.arch)" filename sha256 size
-    )
-
-    if [ ${#buf[@]} -eq 0 ]; then
-        die 42 "can't find info of golang version: ${version}"
-    fi
-    fname="${buf[0]}"
-    sha="${buf[1]}"
-    size="$(numfmt --to=iec "${buf[2]}")"
-
-    info_msg "Download go binary ${fname} (${size}B)"
-    cache_download "${GO_DL_URL}/${fname}" "${fname}"
-
-    pushd "${CACHE}" &> /dev/null
-    echo "${sha}  ${fname}" > "${fname}.sha256"
-    if ! sha256sum -c "${fname}.sha256" >/dev/null; then
-        die 42 "downloaded file ${fname} checksum does not match"
-    else
-        info_msg "${fname} checksum OK"
-    fi
-    popd &> /dev/null
-
-    info_msg "install golang"
-    tee_stderr 0.1 <<EOF | sudo -i -u "${user}" | prefix_stdout "${userpr}"
-mkdir -p \$HOME/local
-rm -rf \$HOME/local/go
-tar -C \$HOME/local -xzf ${CACHE}/${fname}
-echo "export GOPATH=\$HOME/go-apps" > \$HOME/.go_env
-echo "export PATH=\$HOME/local/go/bin:\\\$GOPATH/bin:\\\$PATH" >> \$HOME/.go_env
-EOF
-    info_msg "test golang installation"
-    sudo -i -u "${user}" <<EOF
-source \$HOME/.go_env
-command -v go
-go version
-EOF
-}
-
-go.install() {
-
-    # install go package in user's $HOME/go-apps folder:
-    #
-    #   go.install github.com/go-training/helloworld@lates ${SERVICE_USER}
-    #
-    # usage:  go.install <package> [<username>]
-
-    local package user userpr
-
-    package="${1}"
-    user="${2:-${USERNAME}}"
-    userpr="  ${_Yellow}|${user}|${_creset} "
-
-    if [ -z "${package}" ]; then
-        die 42 "${FUNCNAME[0]}() - missing argument: <package>"
-    fi
-    tee_stderr 0.1 <<EOF | sudo -i -u "${user}" | prefix_stdout "${userpr}"
-source \$HOME/.go_env
-go install -v ${package}
-EOF
-}
-
-go.bash() {
-
-    # start bash interpreter with golang environment sourced
-    #
-    #   go.bash ${SERVICE_USER}
-    #
-    # usage:  go.bash [<username>]
-
-    local user
-    user="${1:-${USERNAME}}"
-    sudo -i -u "${user}" bash --init-file "~${user}/.go_env"
-}
-
-go.version(){
-    local user
-    user="${1:-${USERNAME}}"
-    sudo -i -u "${user}" <<EOF
-source \$HOME/.go_env
-go version | cut -d' ' -f 3
-EOF
-}
diff --git a/utils/morty.sh b/utils/morty.sh
deleted file mode 100755
index c4e7bdf52..000000000
--- a/utils/morty.sh
+++ /dev/null
@@ -1,562 +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"
-# shellcheck source=utils/lib_go.sh
-source "${REPO_ROOT}/utils/lib_go.sh"
-# shellcheck source=utils/lib_install.sh
-source "${REPO_ROOT}/utils/lib_install.sh"
-
-# ----------------------------------------------------------------------------
-# config
-# ----------------------------------------------------------------------------
-
-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')${PUBLIC_URL_PATH_MORTY}}"
-
-# shellcheck disable=SC2034
-MORTY_TIMEOUT=5
-
-SERVICE_NAME="morty"
-SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
-SERVICE_HOME_BASE="${SERVICE_HOME_BASE:-/usr/local}"
-SERVICE_HOME="${SERVICE_HOME_BASE}/${SERVICE_USER}"
-SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service"
-# shellcheck disable=SC2034
-SERVICE_GROUP="${SERVICE_USER}"
-# shellcheck disable=SC2034
-SERVICE_ENV_DEBUG=false
-
-GO_ENV="${SERVICE_HOME}/.go_env"
-GO_VERSION="go1.17.2"
-
-# shellcheck disable=SC2034
-CONFIG_FILES=()
-
-# Apache Settings
-
-APACHE_MORTY_SITE="morty.conf"
-NGINX_MORTY_SITE="morty.conf"
-
-# ----------------------------------------------------------------------------
-usage() {
-# ----------------------------------------------------------------------------
-
-    # shellcheck disable=SC1117
-    cat <<EOF
-usage::
-  $(basename "$0") shell
-  $(basename "$0") install    [all|check|user]
-  $(basename "$0") reinstall  all
-  $(basename "$0") update     [morty]
-  $(basename "$0") remove     [all]
-  $(basename "$0") activate   [service]
-  $(basename "$0") deactivate [service]
-  $(basename "$0") inspect    [service]
-  $(basename "$0") option     [debug-on|debug-off|new-key]
-  $(basename "$0") apache     [install|remove]
-  $(basename "$0") nginx      [install|remove]
-  $(basename "$0") info       [searx]
-
-shell
-  start interactive shell from user ${SERVICE_USER}
-install / remove
-  :all:        complete setup of morty service
-  :user:       add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
-install
-  :check:      check the morty installation
-reinstall:
-  :all:        runs 'install/remove all'
-update morty
-  Update morty installation ($SERVICE_HOME)
-activate service
-  activate and start service daemon (systemd unit)
-deactivate service
-  stop and deactivate service daemon (systemd unit)
-inspect service
-  show service status and log
-option
-  set one of the available options
-  :new-key:   set new morty key
-apache : ${PUBLIC_URL_MORTY}
-  :install: apache site with a reverse proxy (ProxyPass)
-  :remove:  apache site ${APACHE_MORTY_SITE}
-nginx (${PUBLIC_URL_MORTY})
-  :install: nginx site with a reverse proxy (ProxyPass)
-  :remove:  nginx site ${NGINX_MORTY_SITE}
-----
-sourced ${DOT_CONFIG} :
-  SERVICE_USER        : ${SERVICE_USER}
-  SERVICE_HOME        : ${SERVICE_HOME}
-  PUBLIC_URL_MORTY:   : ${PUBLIC_URL_MORTY}
-  MORTY_LISTEN:       : ${MORTY_LISTEN}
-EOF
-
-    install_log_searx_instance
-    if in_container; then
-        # in containers the service is listening on 0.0.0.0 (see lxc-searx.env)
-        for ip in $(global_IPs) ; do
-            if [[ $ip =~ .*:.* ]]; then
-                echo "  container URL (IPv6): http://[${ip#*|}]:3000/"
-            else
-                # IPv4:
-                echo "  container URL (IPv4): http://${ip#*|}:3000/"
-            fi
-        done
-    fi
-    echo
-    info_searx
-
-    [[ -n ${1} ]] &&  err_msg "$1"
-}
-
-info_searx() {
-    # shellcheck disable=SC1117
-    cat <<EOF
-To activate result and image proxy in SearXNG read:
-  https://docs.searxng.org/admin/morty.html
-Check settings in file ${SEARXNG_SETTINGS_PATH} ...
-  result_proxy:
-      url : ${PUBLIC_URL_MORTY}
-  server:
-      image_proxy : True
-EOF
-}
-
-main() {
-    required_commands \
-        sudo install git wget curl \
-        || exit
-
-    local _usage="ERROR: unknown or missing $1 command $2"
-
-    case $1 in
-        --getenv)  var="$2"; echo "${!var}"; exit 0;;
-        -h|--help) usage; exit 0;;
-
-        shell)
-            sudo_or_exit
-            interactive_shell "${SERVICE_USER}"
-            ;;
-        inspect)
-            case $2 in
-                service)
-                    sudo_or_exit
-                    inspect_service
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        reinstall)
-            rst_title "re-install $SERVICE_NAME" part
-            sudo_or_exit
-            case $2 in
-                all)
-                    remove_all
-                    install_all
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        install)
-            rst_title "$SERVICE_NAME" part
-            sudo_or_exit
-            case $2 in
-                all) install_all ;;
-                check)
-                    rst_title "Check morty installation" part
-                    install_check
-                    ;;
-                user) assert_user ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        update)
-            sudo_or_exit
-            case $2 in
-                morty) update_morty ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        remove)
-            sudo_or_exit
-            case $2 in
-                all) remove_all;;
-                user) drop_service_account "${SERVICE_USER}" ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        activate)
-            sudo_or_exit
-            case $2 in
-                service)  systemd_activate_service "${SERVICE_NAME}" ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        deactivate)
-            sudo_or_exit
-            case $2 in
-                service)  systemd_deactivate_service "${SERVICE_NAME}" ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        apache)
-            sudo_or_exit
-            case $2 in
-                install) install_apache_site ;;
-                remove) remove_apache_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        nginx)
-            sudo_or_exit
-            case $2 in
-                install) install_nginx_site ;;
-                remove) remove_nginx_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        info)
-            case $2 in
-                searx) info_searx ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        option)
-            sudo_or_exit
-            case $2 in
-                new-key) set_new_key ;;
-                debug-on)  enable_debug ;;
-                debug-off)  disable_debug ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        doc) rst-doc ;;
-        *) usage "ERROR: unknown or missing command $1"; exit 42;;
-    esac
-}
-
-install_all() {
-
-    MORTY_KEY="$(head -c 32 /dev/urandom | base64)"
-
-    rst_title "Install $SERVICE_NAME (service)"
-    assert_user
-    wait_key
-    go.golang "${GO_VERSION}" "${SERVICE_USER}"
-    wait_key
-    install_morty
-    wait_key
-    systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
-    wait_key
-    if ! service_is_available "http://${MORTY_LISTEN}" ; then
-        err_msg "Morty is not listening on: http://${MORTY_LISTEN}"
-    fi
-    if apache_is_installed; then
-        info_msg "Apache is installed on this host."
-        if ask_yn "Do you want to install a reverse proxy (ProxyPass)" Yn; then
-            install_apache_site
-        fi
-    elif nginx_is_installed; then
-        info_msg "nginx is installed on this host."
-        if ask_yn "Do you want to install a reverse proxy (ProxyPass)" Yn; then
-            install_nginx_site
-        fi
-    fi
-    info_searx
-    if ask_yn "Add image and result proxy to SearXNG settings.yml?" Yn; then
-        "${REPO_ROOT}/utils/searx.sh" option result-proxy "${PUBLIC_URL_MORTY}" "${MORTY_KEY}"
-        "${REPO_ROOT}/utils/searx.sh" option image-proxy-on
-    fi
-
-    if ask_yn "Do you want to inspect the installation?" Ny; then
-        inspect_service
-    fi
-
-}
-
-install_check() {
-
-    if service_account_is_available "$SERVICE_USER"; then
-        info_msg "service account $SERVICE_USER available."
-    else
-        err_msg "service account $SERVICE_USER not available!"
-    fi
-    if go_is_available "$SERVICE_USER"; then
-        info_msg "~$SERVICE_USER: go is installed"
-    else
-        err_msg "~$SERVICE_USER: go is not installed"
-    fi
-    if morty_is_installed; then
-        info_msg "~$SERVICE_USER: morty app is installed"
-    else
-        err_msg "~$SERVICE_USER: morty app is not installed!"
-    fi
-
-    if ! service_is_available "http://${MORTY_LISTEN}" ; then
-        err_msg "Morty is not listening on: http://${MORTY_LISTEN}"
-        echo -e "${_Green}stop with [${_BCyan}CTRL-C${_Green}] or .."
-        wait_key
-    fi
-
-    if ! service_is_available "${PUBLIC_URL_MORTY}"; then
-        warn_msg "Public service at ${PUBLIC_URL_MORTY} is not available!"
-        if ! in_container; then
-            warn_msg "Check if public name is correct and routed or use the public IP from above."
-        fi
-    fi
-
-    if [[ "${GO_VERSION}" > "$(go_version)" ]]; then
-        warn_msg "golang ($(go_version)) needs to be $GO_VERSION at least"
-        warn_msg "you need to reinstall $SERVICE_USER --> $0 reinstall all"
-    else
-        info_msg "golang $(go_version) is installed (min needed is: $GO_VERSION)"
-    fi
-}
-
-go_version(){
-    go.version "${SERVICE_USER}"
-}
-
-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
-}
-
-assert_user() {
-    rst_title "user $SERVICE_USER" section
-    echo
-    tee_stderr 1 <<EOF | bash | prefix_stdout
-useradd --shell /bin/bash --system \
- --home-dir "$SERVICE_HOME" \
- --comment 'Web content sanitizer proxy' $SERVICE_USER
-mkdir "$SERVICE_HOME"
-chown -R "$SERVICE_GROUP:$SERVICE_GROUP" "$SERVICE_HOME"
-groups $SERVICE_USER
-EOF
-    SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)"
-    export SERVICE_HOME
-    echo "export SERVICE_HOME=$SERVICE_HOME"
-
-    tee_stderr <<EOF | sudo -i -u "$SERVICE_USER"
-touch $GO_ENV
-grep -qFs -- 'source "$GO_ENV"' ~/.profile || echo 'source "$GO_ENV"' >> ~/.profile
-EOF
-}
-
-morty_is_installed() {
-    [[ -f $SERVICE_HOME/go-apps/bin/morty ]]
-}
-
-install_morty() {
-    rst_title "Install morty in user's ~/go-apps" section
-    echo
-    go.install github.com/asciimoo/morty@latest "${SERVICE_USER}"
-}
-
-update_morty() {
-    rst_title "Update morty" section
-    echo
-    go.install github.com/asciimoo/morty@latest "${SERVICE_USER}"
-}
-
-set_service_env_debug() {
-
-    # usage:  set_service_env_debug [false|true]
-
-    # shellcheck disable=SC2034
-    local SERVICE_ENV_DEBUG="${1:-false}"
-    if systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"; then
-        systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
-    fi
-}
-
-inspect_service() {
-
-    rst_title "service status & log"
-
-    cat <<EOF
-
-sourced ${DOT_CONFIG} :
-  SERVICE_USER        : ${SERVICE_USER}
-  SERVICE_HOME        : ${SERVICE_HOME}
-  PUBLIC_URL_MORTY:   : ${PUBLIC_URL_MORTY}
-  MORTY_LISTEN:       : ${MORTY_LISTEN}
-
-EOF
-    install_log_searx_instance
-
-    install_check
-
-    if in_container; then
-        lxc_suite_info
-    else
-        info_msg "public URL --> ${PUBLIC_URL_MORTY}"
-        info_msg "morty URL --> http://${MORTY_LISTEN}"
-    fi
-
-    local _debug_on
-    if ask_yn "Enable morty debug mode (needs reinstall of systemd service)?"; then
-        enable_debug
-        _debug_on=1
-    else
-        systemctl --no-pager -l status "${SERVICE_NAME}"
-    fi
-    echo
-
-    # shellcheck disable=SC2059
-    printf "// use ${_BCyan}CTRL-C${_creset} to stop monitoring the log"
-    read -r -s -n1 -t 5
-    echo
-    while true;  do
-        trap break 2
-        journalctl -f -u "${SERVICE_NAME}"
-    done
-
-    if [[ $_debug_on == 1 ]]; then
-        FORCE_SELECTION=Y disable_debug
-    fi
-    return 0
-}
-
-enable_debug() {
-    warn_msg "Do not enable debug in production environments!!"
-    info_msg "Enabling debug option needs to reinstall systemd service!"
-    set_service_env_debug true
-}
-
-disable_debug() {
-    info_msg "Disabling debug option needs to reinstall systemd service!"
-    set_service_env_debug false
-}
-
-
-set_new_key() {
-    rst_title "Set morty key"
-    echo
-
-    MORTY_KEY="$(head -c 32 /dev/urandom | base64)"
-    info_msg "morty key: '${MORTY_KEY}'"
-
-    warn_msg "this will need to reinstall services .."
-    MSG="${_Green}press any [${_BCyan}KEY${_Green}] to continue // stop with [${_BCyan}CTRL-C${_creset}]" wait_key
-
-    systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
-    "${REPO_ROOT}/utils/searx.sh" option result-proxy "${PUBLIC_URL_MORTY}" "${MORTY_KEY}"
-    "${REPO_ROOT}/utils/searx.sh" option image-proxy-on
-}
-
-
-install_apache_site() {
-
-    rst_title "Install Apache site $APACHE_MORTY_SITE"
-
-    rst_para "\
-This installs a reverse proxy (ProxyPass) into apache site (${APACHE_MORTY_SITE})"
-
-    ! apache_is_installed && err_msg "Apache is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    else
-        install_apache
-    fi
-
-    apache_install_site "${APACHE_MORTY_SITE}"
-
-    info_msg "testing public url .."
-    if ! service_is_available "${PUBLIC_URL_MORTY}"; then
-        err_msg "Public service at ${PUBLIC_URL_MORTY} is not available!"
-    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"
-}
-
-install_nginx_site() {
-
-    rst_title "Install nginx site $NGINX_MORTY_SITE"
-
-    rst_para "\
-This installs a reverse proxy (ProxyPass) into nginx site (${NGINX_MORTY_SITE})"
-
-    ! nginx_is_installed && err_msg "nginx is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    else
-        install_nginx
-    fi
-
-    "${REPO_ROOT}/utils/searx.sh" install uwsgi
-
-    # shellcheck disable=SC2034
-    SEARX_SRC=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_SRC)
-    # shellcheck disable=SC2034
-    SEARXNG_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARXNG_URL_PATH)
-    nginx_install_app "${NGINX_MORTY_SITE}"
-
-    info_msg "testing public url .."
-    if ! service_is_available "${PUBLIC_URL_MORTY}"; then
-        err_msg "Public service at ${PUBLIC_URL_MORTY} is not available!"
-    fi
-}
-
-remove_nginx_site() {
-
-    rst_title "Remove nginx site $NGINX_MORTY_SITE"
-
-    rst_para "\
-This removes nginx site ${NGINX_MORTY_SITE}."
-
-    ! nginx_is_installed && err_msg "nginx is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    nginx_remove_site "$NGINX_MORTY_SITE"
-
-}
-
-rst-doc() {
-
-    eval "echo \"$(< "${REPO_ROOT}/docs/build-templates/morty.rst")\""
-
-    echo -e "\n.. START install systemd unit"
-    cat <<EOF
-.. tabs::
-
-   .. group-tab:: systemd
-
-      .. code:: bash
-
-EOF
-    eval "echo \"$(< "${TEMPLATES}/${SERVICE_SYSTEMD_UNIT}")\"" | prefix_stdout "         "
-    echo -e "\n.. END install systemd unit"
-
-    # for DIST_NAME in ubuntu-20.04 arch fedora centos; do
-    #     (
-    #         DIST_ID=${DIST_NAME%-*}
-    #         DIST_VERS=${DIST_NAME#*-}
-    #         [[ $DIST_VERS =~ $DIST_ID ]] && DIST_VERS=
-    #         # ...
-    #     )
-    # done
-}
-
-
-# ----------------------------------------------------------------------------
-main "$@"
-# ----------------------------------------------------------------------------
diff --git a/utils/templates/etc/filtron/rules.json b/utils/templates/etc/filtron/rules.json
deleted file mode 100644
index fff70fa8f..000000000
--- a/utils/templates/etc/filtron/rules.json
+++ /dev/null
@@ -1,129 +0,0 @@
-[
-    {
-        "name": "roboagent limit",
-        "filters": [
-            "Header:User-Agent=(curl|cURL|Wget|python-requests|Scrapy|FeedFetcher|Go-http-client|Ruby|UniversalFeedParser)"
-        ],
-        "limit": 0,
-        "stop": true,
-        "actions": [
-            { "name": "log"},
-            { "name": "block",
-              "params": {
-                  "message": "Rate limit exceeded"
-              }
-            }
-        ]
-    },
-    {
-        "name": "botlimit",
-        "filters": [
-            "Header:User-Agent=(Googlebot|bingbot|Baiduspider|yacybot|YandexMobileBot|YandexBot|Yahoo! Slurp|MJ12bot|AhrefsBot|archive.org_bot|msnbot|MJ12bot|SeznamBot|linkdexbot|Netvibes|SMTBot|zgrab|James BOT)"
-        ],
-        "limit": 0,
-        "stop": true,
-        "actions": [
-            { "name": "log"},
-            { "name": "block",
-              "params": {
-                  "message": "Rate limit exceeded"
-              }
-            }
-        ]
-    },
-    {
-        "name": "suspiciously frequent IP",
-        "filters": [],
-        "interval": 600,
-        "limit": 30,
-        "aggregations": [
-            "Header:X-Forwarded-For"
-      ],
-        "actions":[
-            {"name":"log"}
-      ]
-    },
-    {
-        "name": "search request",
-        "filters": [
-            "Param:q",
-            "Path=^(/|/search)$"
-        ],
-        "interval": 61,
-        "limit": 999,
-        "subrules": [
-            {
-                "name": "missing Accept-Language",
-                "filters": ["!Header:Accept-Language"],
-                "limit": 0,
-                "stop": true,
-                "actions": [
-                    {"name":"log"},
-                    {"name": "block",
-                     "params": {"message": "Rate limit exceeded"}}
-                ]
-            },
-            {
-                "name": "suspiciously Connection=close header",
-                "filters": ["Header:Connection=close"],
-                "limit": 0,
-                "stop": true,
-                "actions": [
-                    {"name":"log"},
-                    {"name": "block",
-                     "params": {"message": "Rate limit exceeded"}}
-                ]
-            },
-            {
-                "name": "IP limit",
-                "interval": 61,
-                "limit": 9,
-                "stop": true,
-                "aggregations": [
-                    "Header:X-Forwarded-For"
-                ],
-                "actions": [
-                    { "name": "log"},
-                    { "name": "block",
-                      "params": {
-                          "message": "Rate limit exceeded"
-                      }
-                    }
-                ]
-            },
-            {
-                "name": "rss/json limit",
-                "filters": [
-                    "Param:format=(csv|json|rss)"
-                ],
-                "interval": 121,
-                "limit": 2,
-                "stop": true,
-                "actions": [
-                    { "name": "log"},
-                    { "name": "block",
-                      "params": {
-                          "message": "Rate limit exceeded"
-                      }
-                    }
-                ]
-            },
-            {
-                "name": "useragent limit",
-                "interval": 61,
-                "limit": 199,
-                "aggregations": [
-                    "Header:User-Agent"
-                ],
-                "actions": [
-                    { "name": "log"},
-                    { "name": "block",
-                      "params": {
-                          "message": "Rate limit exceeded"
-                      }
-                    }
-                ]
-            }
-        ]
-    }
-]
diff --git a/utils/templates/etc/httpd/sites-available/morty.conf b/utils/templates/etc/httpd/sites-available/morty.conf
deleted file mode 100644
index daeb3635a..000000000
--- a/utils/templates/etc/httpd/sites-available/morty.conf
+++ /dev/null
@@ -1,28 +0,0 @@
-# -*- coding: utf-8; mode: apache -*-
-
-LoadModule headers_module       ${APACHE_MODULES}/mod_headers.so
-LoadModule proxy_module         ${APACHE_MODULES}/mod_proxy.so
-LoadModule proxy_http_module    ${APACHE_MODULES}/mod_proxy_http.so
-#LoadModule setenvif_module      ${APACHE_MODULES}/mod_setenvif.so
-
-# SetEnvIf Request_URI "${PUBLIC_URL_PATH_MORTY}" dontlog
-# CustomLog /dev/null combined env=dontlog
-
-<Location ${PUBLIC_URL_PATH_MORTY} >
-
-    <IfModule mod_security2.c>
-        SecRuleEngine Off
-    </IfModule>
-
-    Require all granted
-
-    Order deny,allow
-    Deny from all
-    #Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
-    Allow from all
-
-    ProxyPreserveHost On
-    ProxyPass http://${MORTY_LISTEN}
-    RequestHeader set X-Script-Name ${PUBLIC_URL_PATH_MORTY}
-
-</Location>
diff --git a/utils/templates/etc/httpd/sites-available/searxng.conf:filtron b/utils/templates/etc/httpd/sites-available/searxng.conf:filtron
deleted file mode 100644
index 379d47e24..000000000
--- a/utils/templates/etc/httpd/sites-available/searxng.conf:filtron
+++ /dev/null
@@ -1,33 +0,0 @@
-# -*- coding: utf-8; mode: apache -*-
-
-LoadModule headers_module       ${APACHE_MODULES}/mod_headers.so
-LoadModule proxy_module         ${APACHE_MODULES}/mod_proxy.so
-LoadModule proxy_http_module    ${APACHE_MODULES}/mod_proxy_http.so
-#LoadModule setenvif_module      ${APACHE_MODULES}/mod_setenvif.so
-
-# SetEnvIf Request_URI "${FILTRON_URL_PATH}" dontlog
-# CustomLog /dev/null combined env=dontlog
-
-# SecRuleRemoveById 981054
-# SecRuleRemoveById 981059
-# SecRuleRemoveById 981060
-# SecRuleRemoveById 950907
-
-<Location ${FILTRON_URL_PATH} >
-
-    <IfModule mod_security2.c>
-        SecRuleEngine Off
-    </IfModule>
-
-    Require all granted
-
-    Order deny,allow
-    Deny from all
-    #Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
-    Allow from all
-
-    ProxyPreserveHost On
-    ProxyPass http://${FILTRON_LISTEN}
-    RequestHeader set X-Script-Name ${FILTRON_URL_PATH}
-
-</Location>
diff --git a/utils/templates/etc/nginx/default.apps-available/morty.conf b/utils/templates/etc/nginx/default.apps-available/morty.conf
deleted file mode 100644
index 51f083985..000000000
--- a/utils/templates/etc/nginx/default.apps-available/morty.conf
+++ /dev/null
@@ -1,11 +0,0 @@
-# https://example.org/morty
-
-location /morty {
-    proxy_pass         http://127.0.0.1:3000/;
-
-    proxy_set_header   Host             \$host;
-    proxy_set_header   Connection       \$http_connection;
-    proxy_set_header   X-Real-IP        \$remote_addr;
-    proxy_set_header   X-Forwarded-For  \$proxy_add_x_forwarded_for;
-    proxy_set_header   X-Scheme         \$scheme;
-}
diff --git a/utils/templates/etc/nginx/default.apps-available/searxng.conf:filtron b/utils/templates/etc/nginx/default.apps-available/searxng.conf:filtron
deleted file mode 100644
index e25461c47..000000000
--- a/utils/templates/etc/nginx/default.apps-available/searxng.conf:filtron
+++ /dev/null
@@ -1,16 +0,0 @@
-# https://example.org/searx
-
-location ${SEARXNG_URL_PATH} {
-    proxy_pass         http://127.0.0.1:4004/;
-
-    proxy_set_header   Host             \$host;
-    proxy_set_header   Connection       \$http_connection;
-    proxy_set_header   X-Real-IP        \$remote_addr;
-    proxy_set_header   X-Forwarded-For  \$proxy_add_x_forwarded_for;
-    proxy_set_header   X-Scheme         \$scheme;
-    proxy_set_header   X-Script-Name    ${SEARXNG_URL_PATH};
-}
-
-location ${SEARXNG_URL_PATH}/static/ {
-    alias ${SEARX_SRC}/searx/static/;
-}
diff --git a/utils/templates/lib/systemd/system/filtron.service b/utils/templates/lib/systemd/system/filtron.service
deleted file mode 100644
index 3b0c6edcc..000000000
--- a/utils/templates/lib/systemd/system/filtron.service
+++ /dev/null
@@ -1,29 +0,0 @@
-[Unit]
-
-Description=${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