Merge pull request #446 from return42/searxng-brand

[brand] SearXNG environment variables & /utils scripts

21 files changed, 173 insertions, 111 deletions

diff --git a/docs/admin/engines/settings.rst b/docs/admin/engines/settings.rst
index 7a354afee..c67b45669 100644
--- a/docs/admin/engines/settings.rst
+++ b/docs/admin/engines/settings.rst
@@ -109,7 +109,7 @@ Global Settings
    Changing a value tagged by :ref:`buildenv <make buildenv>`, needs to
    rebuild instance's environment :ref:`utils/brand.env <make buildenv>`.
 
-``base_url`` : :ref:`buildenv SEARX_URL <make buildenv>`
+``base_url`` : :ref:`buildenv SEARXNG_URL <make buildenv>`
   The base URL where SearXNG is deployed.  Used to create correct inbound links.
   If you change the value, don't forget to rebuild instance's environment
   (:ref:`utils/brand.env <make buildenv>`)
diff --git a/docs/admin/installation-apache.rst b/docs/admin/installation-apache.rst
index 4ec085825..c15e3f5a0 100644
--- a/docs/admin/installation-apache.rst
+++ b/docs/admin/installation-apache.rst
@@ -482,7 +482,7 @@ Restart service
       .. code:: sh
 
          sudo -H systemctl restart httpd
-         sudo -H touch /etc/uwsgi.d/searx.ini
+         sudo -H touch /etc/uwsgi.d/searxng.ini
 
 
 disable logs
diff --git a/docs/admin/installation-nginx.rst b/docs/admin/installation-nginx.rst
index 4f58299ee..1d982bc8f 100644
--- a/docs/admin/installation-nginx.rst
+++ b/docs/admin/installation-nginx.rst
@@ -146,12 +146,12 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
 
    .. group-tab:: Ubuntu / debian
 
-      Create configuration at ``/etc/nginx/sites-available/searx`` and place a
+      Create configuration at ``/etc/nginx/sites-available/searxng`` and place a
       symlink to sites-enabled:
 
       .. code:: sh
 
-         sudo -H ln -s /etc/nginx/sites-available/searx /etc/nginx/sites-enabled/searx
+         sudo -H ln -s /etc/nginx/sites-available/searxng /etc/nginx/sites-enabled/searxng
 
    .. group-tab:: Arch Linux
 
@@ -160,7 +160,7 @@ Started wiki`_ is always a good resource *to keep in the pocket*.
 
    .. group-tab::  Fedora / RHEL
 
-      Create configuration at ``/etc/nginx/conf.d/searx`` and place a
+      Create configuration at ``/etc/nginx/conf.d/searxng`` and place a
       symlink to sites-enabled:
 
 .. _nginx searx via filtron plus morty:
@@ -365,7 +365,7 @@ Restart service:
       .. code:: sh
 
          sudo -H systemctl restart nginx
-         sudo -H touch /etc/uwsgi.d/searx.ini
+         sudo -H touch /etc/uwsgi.d/searxng.ini
 
 
 Disable logs
diff --git a/docs/admin/installation-uwsgi.rst b/docs/admin/installation-uwsgi.rst
index e4b35dfc2..1fb24ca8f 100644
--- a/docs/admin/installation-uwsgi.rst
+++ b/docs/admin/installation-uwsgi.rst
@@ -35,10 +35,10 @@ recommend two methods
 `systemd.unit`_ template files as described here `One service per app in systemd`_.
 
   There is one `systemd unit template`_ and one `uwsgi ini file`_ per uWSGI-app
-  placed at dedicated locations.  Take archlinux and a searx.ini as example::
+  placed at dedicated locations.  Take archlinux and a searxng.ini as example::
 
     unit template    -->  /usr/lib/systemd/system/uwsgi@.service
-    uwsgi ini files  -->  /etc/uwsgi/searx.ini
+    uwsgi ini files  -->  /etc/uwsgi/searxng.ini
 
   The SearXNG app can be maintained as know from common systemd units::
 
@@ -54,12 +54,12 @@ The `uWSGI Emperor`_ mode which fits for maintaining a large range of uwsgi apps
   systemd unit.  The Emperor service will scan specific directories for `uwsgi
   ini file`_\s (also know as *vassals*).  If a *vassal* is added, removed or the
   timestamp is modified, a corresponding action takes place: a new uWSGI
-  instance is started, reload or stopped.  Take Fedora and a searx.ini as
+  instance is started, reload or stopped.  Take Fedora and a searxng.ini as
   example::
 
-    to start a new SearXNG instance create --> /etc/uwsgi.d/searx.ini
-    to reload the instance edit timestamp  --> touch /etc/uwsgi.d/searx.ini
-    to stop instance remove ini            --> rm /etc/uwsgi.d/searx.ini
+    to start a new SearXNG instance create --> /etc/uwsgi.d/searxng.ini
+    to reload the instance edit timestamp  --> touch /etc/uwsgi.d/searxng.ini
+    to stop instance remove ini            --> rm /etc/uwsgi.d/searxng.ini
 
 Distributors
 ============
@@ -80,7 +80,7 @@ do similar for the uWSGI infrastructure (with less comfort), the folders are::
 
 The `uwsgi ini file`_ is enabled by a symbolic link::
 
-  ln -s /etc/uwsgi/apps-available/searx.ini /etc/uwsgi/apps-enabled/
+  ln -s /etc/uwsgi/apps-available/searxng.ini /etc/uwsgi/apps-enabled/
 
 From debian's documentation (``/usr/share/doc/uwsgi/README.Debian.gz``): You
 could control specific instance(s) by issuing::
diff --git a/docs/conf.py b/docs/conf.py
index da36db88a..4828679e8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,7 +14,7 @@ copyright = '2021 SearXNG team, 2015-2021 Adam Tauber, Noémi Ványi'
 author = '2021 SearXNG team, 2015-2021 Adam Tauber'
 release, version = VERSION_STRING, VERSION_STRING
 
-SEARX_URL = get_setting('server.base_url') or 'https://example.org/searxng'
+SEARXNG_URL = get_setting('server.base_url') or 'https://example.org/searxng'
 ISSUE_URL = get_setting('brand.issue_url')
 DOCS_URL = get_setting('brand.docs_url')
 PUBLIC_INSTANCES = get_setting('brand.public_instances')
@@ -58,7 +58,7 @@ extlinks['pull-searx'] = ('https://github.com/searx/searx/pull/%s', 'PR ')
 # links to custom brand
 extlinks['origin'] = (GIT_URL + '/blob/' + GIT_BRANCH + '/%s', 'git://')
 extlinks['patch'] = (GIT_URL + '/commit/%s', '#')
-extlinks['search'] = (SEARX_URL + '/%s', '#')
+extlinks['search'] = (SEARXNG_URL + '/%s', '#')
 extlinks['docs'] = (DOCS_URL + '/%s', 'docs: ')
 extlinks['pypi'] = ('https://pypi.org/project/%s', 'PyPi: ')
 extlinks['man'] = ('https://manpages.debian.org/jump?q=%s', '')
diff --git a/docs/dev/lxcdev.rst b/docs/dev/lxcdev.rst
index 49a2df6c8..e13667c0b 100644
--- a/docs/dev/lxcdev.rst
+++ b/docs/dev/lxcdev.rst
@@ -284,7 +284,7 @@ With the command above, we stopped the SearXNG uWSGI-App in the archlinux
 container.
 
 The uWSGI-App for the archlinux dsitros is configured in
-:origin:`utils/templates/etc/uwsgi/apps-archlinux/searx.ini`, from where at
+:origin:`utils/templates/etc/uwsgi/apps-archlinux/searxng.ini`, from where at
 least you should attend the settings of ``uid``, ``chdir``, ``env`` and
 ``http``::
 
diff --git a/docs/dev/makefile.rst b/docs/dev/makefile.rst
index 1db3ed703..6e563b1bd 100644
--- a/docs/dev/makefile.rst
+++ b/docs/dev/makefile.rst
@@ -107,7 +107,7 @@ The ``make buildenv`` target will update the *build environment* in:
 Tasks running outside of an *installed instance*, need the following settings
 from the YAML configuration:
 
-- ``SEARX_URL`` from :ref:`server.base_url <settings global server>` (aka
+- ``SEARXNG_URL`` from :ref:`server.base_url <settings global server>` (aka
   ``PUBLIC_URL``)
 - ``SEARXNG_BIND_ADDRESS`` from :ref:`server.bind_address <settings global server>`
 - ``SEARXNG_PORT`` from :ref:`server.port <settings global server>`
diff --git a/manage b/manage
index 457115ce4..daa7171da 100755
--- a/manage
+++ b/manage
@@ -33,7 +33,7 @@ while IFS= read -r line; do
    YAMLLINT_FILES+=("$line")
 done <<< "$(git ls-files './tests/*.yml' './searx/*.yml' './utils/templates/etc/searxng/*.yml')"
 
-PYLINT_SEARX_DISABLE_OPTION="\
+PYLINT_SEARXNG_DISABLE_OPTION="\
 I,C,R,\
 W0105,W0212,W0511,W0603,W0613,W0621,W0702,W0703,W1401,\
 E1136"
@@ -70,7 +70,7 @@ py.:
   build     : Build python packages at ./${PYDIST}
   clean     : delete virtualenv and intermediate py files
 pyenv.:
-  install   : developer install of searx into virtualenv
+  install   : developer install of SearXNG into virtualenv
   uninstall : uninstall developer installation
   cmd ...   : run command ... in virtualenv
   OK        : test if virtualenv is OK
@@ -620,13 +620,13 @@ test.pylint() {
 
         build_msg TEST "[pylint] searx/engines"
         python ${PYLINT_OPTIONS} ${PYLINT_VERBOSE} \
-            --disable="${PYLINT_SEARX_DISABLE_OPTION}" \
+            --disable="${PYLINT_SEARXNG_DISABLE_OPTION}" \
             --additional-builtins="${PYLINT_ADDITIONAL_BUILTINS_FOR_ENGINES}" \
             searx/engines
 
         build_msg TEST "[pylint] searx tests"
         python ${PYLINT_OPTIONS} ${PYLINT_VERBOSE} \
-            --disable="${PYLINT_SEARX_DISABLE_OPTION}" \
+            --disable="${PYLINT_SEARXNG_DISABLE_OPTION}" \
 	    --ignore=searx/engines \
 	    searx tests
     )
diff --git a/utils/brand.env b/utils/brand.env
index 5cc2af35b..31afce53c 100644
--- a/utils/brand.env
+++ b/utils/brand.env
@@ -1,4 +1,4 @@
-export SEARX_URL=''
+export SEARXNG_URL=''
 export SEARXNG_PORT='8888'
 export SEARXNG_BIND_ADDRESS='127.0.0.1'
 export GIT_URL='https://github.com/searxng/searxng'
diff --git a/utils/build_env.py b/utils/build_env.py
index cd2fc2d04..709da6815 100644
--- a/utils/build_env.py
+++ b/utils/build_env.py
@@ -28,7 +28,7 @@ def _env(*arg, **kwargs):
 
 name_val = [
 
-    ('SEARX_URL'              , 'server.base_url'),
+    ('SEARXNG_URL'              , 'server.base_url'),
     ('SEARXNG_PORT'             , 'server.port'),
     ('SEARXNG_BIND_ADDRESS'     , 'server.bind_address'),
 
diff --git a/utils/filtron.sh b/utils/filtron.sh
index eb34b2413..fa661ab8b 100755
--- a/utils/filtron.sh
+++ b/utils/filtron.sh
@@ -46,8 +46,8 @@ GO_VERSION="go1.17.2"
 GO_PKG_URL="https://golang.org/dl/${GO_VERSION}.linux-amd64.tar.gz"
 GO_TAR=$(basename "$GO_PKG_URL")
 
-APACHE_FILTRON_SITE="searx.conf"
-NGINX_FILTRON_SITE="searx.conf"
+APACHE_FILTRON_SITE="searxng.conf"
+NGINX_FILTRON_SITE="searxng.conf"
 
 # shellcheck disable=SC2034
 CONFIG_FILES=(
@@ -64,6 +64,7 @@ usage() {
 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]
@@ -77,9 +78,12 @@ shell
   start interactive shell from user ${SERVICE_USER}
 install / remove
   :all:        complete setup of filtron service
-  :check:      check the filtron installation
   :user:       add/remove service user '$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
@@ -133,6 +137,16 @@ main() {
                     ;;
                 *) 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
@@ -271,9 +285,19 @@ install_check() {
 
     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(){
@@ -560,7 +584,7 @@ This installs a reverse proxy (ProxyPass) into nginx site (${NGINX_FILTRON_SITE}
     # shellcheck disable=SC2034
     SEARX_SRC=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_SRC)
     # shellcheck disable=SC2034
-    SEARX_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_URL_PATH)
+    SEARXNG_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARXNG_URL_PATH)
     nginx_install_app --variant=filtron "${NGINX_FILTRON_SITE}"
 
     info_msg "testing public url .."
diff --git a/utils/lib_install.sh b/utils/lib_install.sh
index 4fd63b830..4a251c096 100755
--- a/utils/lib_install.sh
+++ b/utils/lib_install.sh
@@ -116,9 +116,9 @@ install_log_searx_instance() {
 
     echo -e "---- SearXNG instance setup ${_BBlue}(status: $(install_searx_get_state))${_creset}"
     echo -e "  SEARXNG_SETTINGS_PATH : ${_BBlue}${SEARXNG_SETTINGS_PATH}${_creset}"
-    echo -e "  SSEARX_PYENV        : ${_BBlue}${SEARX_PYENV}${_creset}"
+    echo -e "  SEARX_PYENV         : ${_BBlue}${SEARX_PYENV}${_creset}"
     echo -e "  SEARX_SRC           : ${_BBlue}${SEARX_SRC:-none}${_creset}"
-    echo -e "  SEARX_URL           : ${_BBlue}${SEARX_URL:-none}${_creset}"
+    echo -e "  SEARXNG_URL         : ${_BBlue}${SEARXNG_URL:-none}${_creset}"
 
     if in_container; then
         # searx is listening on 127.0.0.1 and not available from outside container
@@ -184,17 +184,17 @@ install_searx_get_state(){
 # shellcheck source=utils/brand.env
 source "${REPO_ROOT}/utils/brand.env"
 
-# SEARX_URL aka PUBLIC_URL: the public URL of the instance (e.g.
-# "https://example.org/searx").  The value is taken from environment $SEARX_URL
+# SEARXNG_URL aka PUBLIC_URL: the public URL of the instance (e.g.
+# "https://example.org/searx").  The value is taken from environment $SEARXNG_URL
 # in ./utils/brand.env.  This variable is a empty string if server.base_url in
 # the settings.yml is set to 'false'.
 
-SEARX_URL="${SEARX_URL:-http://$(uname -n)}"
+SEARXNG_URL="${SEARXNG_URL:-http://$(uname -n)}"
 if in_container; then
     # hint: Linux containers do not have DNS entries, lets use IPs
-    SEARX_URL="http://$(primary_ip)"
+    SEARXNG_URL="http://$(primary_ip)"
 fi
-PUBLIC_URL="${SEARX_URL}"
+PUBLIC_URL="${SEARXNG_URL}"
 
 source_dot_config
 
diff --git a/utils/morty.sh b/utils/morty.sh
index 60220df02..e1481016f 100755
--- a/utils/morty.sh
+++ b/utils/morty.sh
@@ -49,6 +49,7 @@ usage() {
 usage::
   $(basename "$0") shell
   $(basename "$0") install    [all|check|user]
+  $(basename "$0") reinstall  all
   $(basename "$0") update     [morty]
   $(basename "$0") remove     [all]
   $(basename "$0") activate   [service]
@@ -66,6 +67,8 @@ install / remove
   :user:       add/remove service user '$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
@@ -145,6 +148,16 @@ main() {
                     ;;
                 *) 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
@@ -286,6 +299,7 @@ install_check() {
 
     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: $GO_VERSION)"
     fi
@@ -513,7 +527,7 @@ This installs a reverse proxy (ProxyPass) into nginx site (${NGINX_MORTY_SITE})"
     # shellcheck disable=SC2034
     SEARX_SRC=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_SRC)
     # shellcheck disable=SC2034
-    SEARX_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_URL_PATH)
+    SEARXNG_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARXNG_URL_PATH)
     nginx_install_app "${NGINX_MORTY_SITE}"
 
     info_msg "testing public url .."
diff --git a/utils/searx.sh b/utils/searx.sh
index e3393835c..79cd2f26d 100755
--- a/utils/searx.sh
+++ b/utils/searx.sh
@@ -14,9 +14,9 @@ source "${REPO_ROOT}/utils/lib_install.sh"
 
 SEARX_INTERNAL_HTTP="${SEARXNG_BIND_ADDRESS}:${SEARXNG_PORT}"
 
-SEARX_URL_PATH="${SEARX_URL_PATH:-$(echo "${PUBLIC_URL}" \
+SEARXNG_URL_PATH="${SEARXNG_URL_PATH:-$(echo "${PUBLIC_URL}" \
 | sed -e 's,^.*://[^/]*\(/.*\),\1,g')}"
-[[ "${SEARX_URL_PATH}" == "${PUBLIC_URL}" ]] && SEARX_URL_PATH=/
+[[ "${SEARXNG_URL_PATH}" == "${PUBLIC_URL}" ]] && SEARXNG_URL_PATH=/
 
 SERVICE_NAME="searx"
 SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
@@ -29,7 +29,7 @@ GIT_BRANCH="${GIT_BRANCH:-master}"
 SEARX_PYENV="${SERVICE_HOME}/searx-pyenv"
 SEARX_SRC="${SERVICE_HOME}/searx-src"
 SEARXNG_SETTINGS_PATH="/etc/searxng/settings.yml"
-SEARX_UWSGI_APP="searx.ini"
+SEARXNG_UWSGI_APP="searxng.ini"
 # shellcheck disable=SC2034
 SEARX_UWSGI_SOCKET="/run/uwsgi/app/searx/socket"
 
@@ -125,7 +125,7 @@ APACHE_SEARX_SITE="searx.conf"
 
 # shellcheck disable=SC2034
 CONFIG_FILES=(
-    "${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}"
+    "${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP}"
 )
 
 # shellcheck disable=SC2034
@@ -141,7 +141,8 @@ usage() {
     cat <<EOF
 usage::
   $(basename "$0") shell
-  $(basename "$0") install    [all|init-src|dot-config|user|searx-src|pyenv|uwsgi|packages|settings|buildhost]
+  $(basename "$0") install    [all|check|init-src|dot-config|user|searx-src|pyenv|uwsgi|packages|settings|buildhost]
+  $(basename "$0") reinstall  all
   $(basename "$0") update     [searx]
   $(basename "$0") remove     [all|user|pyenv|searx-src]
   $(basename "$0") activate   [service]
@@ -154,7 +155,6 @@ shell
   start interactive shell from user ${SERVICE_USER}
 install / remove
   :all:        complete (de-) installation of searx service
-  :check:      check the SearXNG installation
   :user:       add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
   :dot-config: copy ./config.sh to ${SEARX_SRC}
   :searx-src:  clone $GIT_URL
@@ -164,6 +164,10 @@ install / remove
   :settings:   reinstall settings from ${SEARXNG_SETTINGS_PATH}
   :packages:   install needed packages from OS package manager
   :buildhost:  install packages from OS package manager needed by buildhosts
+install
+  :check:      check the SearXNG installation
+reinstall:
+  :all:        runs 'install/remove all'
 update searx
   Update SearXNG installation ($SERVICE_HOME)
 activate service
@@ -213,18 +217,28 @@ main() {
                     ;;
                 *) usage "$_usage"; exit 42;;
             esac ;;
-        install)
+        reinstall)
+            rst_title "re-install $SERVICE_NAME" part
             sudo_or_exit
             case $2 in
-                check)
-                    rst_title "SearXNG (check installation)" part
-                    verify_continue_install
-                    sudo -H -u "${SERVICE_USER}" "${SEARX_PYENV}/bin/python" "utils/searxng_check.py"
+                all)
+                    remove_all
+                    install_all
                     ;;
+                *) usage "$_usage"; exit 42;;
+            esac ;;
+        install)
+            sudo_or_exit
+            case $2 in
                 all)
                     rst_title "SearXNG (install)" part
                     install_all
                     ;;
+                check)
+                    rst_title "SearXNG (check installation)" part
+                    verify_continue_install
+                    install_check
+                    ;;
                 user)
                     rst_title "SearXNG (install user)"
                     verify_continue_install
@@ -352,6 +366,42 @@ install_all() {
     fi
 }
 
+install_check() {
+    if service_account_is_available "$SERVICE_USER"; then
+        info_msg "Service account $SERVICE_USER exists."
+    else
+        err_msg "Service account $SERVICE_USER does not exists!"
+    fi
+
+    if pyenv_is_available; then
+        info_msg "~$SERVICE_USER: python environment is available."
+    else
+        err_msg "~$SERVICE_USER: python environment is not available!"
+    fi
+
+    if clone_is_available; then
+        info_msg "~$SERVICE_USER: SearXNG software is installed."
+    else
+        err_msg "~$SERVICE_USER: Missing SearXNG software!"
+    fi
+
+    if uWSGI_app_enabled "$SEARXNG_UWSGI_APP"; then
+        info_msg "uWSGI app $SEARXNG_UWSGI_APP is enabled."
+    else
+        err_msg "uWSGI app $SEARXNG_UWSGI_APP not enabled!"
+    fi
+
+    uWSGI_app_available "$SEARXNG_UWSGI_APP" \
+        || err_msg "uWSGI app $SEARXNG_UWSGI_APP not available!"
+
+    sudo -H -u "${SERVICE_USER}" "${SEARX_PYENV}/bin/python" "utils/searxng_check.py"
+
+    if uWSGI_app_available 'searx.ini'; then
+        warn_msg "old searx.ini uWSGI app exists"
+        warn_msg "you need to reinstall $SERVICE_USER --> $0 reinstall all"
+    fi
+}
+
 update_searx() {
     rst_title "Update SearXNG instance"
 
@@ -367,7 +417,7 @@ pip install -U pyyaml
 pip install -U -e .
 EOF
     install_settings
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 remove_all() {
@@ -729,30 +779,30 @@ EOF
 }
 
 install_searx_uwsgi() {
-    rst_title "Install SearXNG's uWSGI app (searx.ini)" section
+    rst_title "Install SearXNG's uWSGI app (searxng.ini)" section
     echo
     install_uwsgi
-    uWSGI_install_app "$SEARX_UWSGI_APP"
+    uWSGI_install_app "$SEARXNG_UWSGI_APP"
 }
 
 remove_searx_uwsgi() {
-    rst_title "Remove SearXNG's uWSGI app (searx.ini)" section
+    rst_title "Remove SearXNG's uWSGI app (searxng.ini)" section
     echo
-    uWSGI_remove_app "$SEARX_UWSGI_APP"
+    uWSGI_remove_app "$SEARXNG_UWSGI_APP"
 }
 
 activate_service() {
     rst_title "Activate SearXNG (service)" section
     echo
-    uWSGI_enable_app "$SEARX_UWSGI_APP"
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_enable_app "$SEARXNG_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 deactivate_service() {
     rst_title "De-Activate SearXNG (service)" section
     echo
-    uWSGI_disable_app "$SEARX_UWSGI_APP"
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_disable_app "$SEARXNG_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 enable_image_proxy() {
@@ -761,7 +811,7 @@ enable_image_proxy() {
 cd ${SEARX_SRC}
 sed -i -e "s/image_proxy: false/image_proxy: true/g" "$SEARXNG_SETTINGS_PATH"
 EOF
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 disable_image_proxy() {
@@ -770,7 +820,7 @@ disable_image_proxy() {
 cd ${SEARX_SRC}
 sed -i -e "s/image_proxy: true/image_proxy: false/g" "$SEARXNG_SETTINGS_PATH"
 EOF
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 enable_debug() {
@@ -780,7 +830,7 @@ enable_debug() {
 cd ${SEARX_SRC}
 sed -i -e "s/debug: false/debug: true/g" "$SEARXNG_SETTINGS_PATH"
 EOF
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 disable_debug() {
@@ -789,7 +839,7 @@ disable_debug() {
 cd ${SEARX_SRC}
 sed -i -e "s/debug: true/debug: false/g" "$SEARXNG_SETTINGS_PATH"
 EOF
-    uWSGI_restart "$SEARX_UWSGI_APP"
+    uWSGI_restart "$SEARXNG_UWSGI_APP"
 }
 
 set_result_proxy() {
@@ -851,33 +901,7 @@ sourced ${DOT_CONFIG} :
 EOF
     install_log_searx_instance
 
-    if service_account_is_available "$SERVICE_USER"; then
-        info_msg "Service account $SERVICE_USER exists."
-    else
-        err_msg "Service account $SERVICE_USER does not exists!"
-    fi
-
-    if pyenv_is_available; then
-        info_msg "~$SERVICE_USER: python environment is available."
-    else
-        err_msg "~$SERVICE_USER: python environment is not available!"
-    fi
-
-    if clone_is_available; then
-        info_msg "~$SERVICE_USER: SearXNG software is installed."
-    else
-        err_msg "~$SERVICE_USER: Missing SearXNG software!"
-    fi
-
-    if uWSGI_app_enabled "$SEARX_UWSGI_APP"; then
-        info_msg "uWSGI app $SEARX_UWSGI_APP is enabled."
-    else
-        err_msg "uWSGI app $SEARX_UWSGI_APP not enabled!"
-    fi
-
-    uWSGI_app_available "$SEARX_UWSGI_APP" \
-        || err_msg "uWSGI app $SEARX_UWSGI_APP not available!"
-
+    install_check
     if in_container; then
         lxc_suite_info
     else
@@ -955,9 +979,9 @@ excessively bot queries."
 
     apache_install_site --variant=uwsgi "${APACHE_SEARX_SITE}"
 
-    rst_title "Install SearXNG's uWSGI app (searx.ini)" section
+    rst_title "Install SearXNG's uWSGI app (searxng.ini)" section
     echo
-    uWSGI_install_app --variant=socket "$SEARX_UWSGI_APP"
+    uWSGI_install_app --variant=socket "$SEARXNG_UWSGI_APP"
 
     if ! service_is_available "${PUBLIC_URL}"; then
         err_msg "Public service at ${PUBLIC_URL} is not available!"
@@ -979,9 +1003,9 @@ This removes apache site ${APACHE_SEARX_SITE}."
 
     apache_remove_site "${APACHE_SEARX_SITE}"
 
-    rst_title "Remove SearXNG's uWSGI app (searx.ini)" section
+    rst_title "Remove SearXNG's uWSGI app (searxng.ini)" section
     echo
-    uWSGI_remove_app "$SEARX_UWSGI_APP"
+    uWSGI_remove_app "$SEARXNG_UWSGI_APP"
 }
 
 rst-doc() {
@@ -1025,12 +1049,12 @@ rst-doc() {
    # For uWSGI debian uses the LSB init process, this might be changed
    # one day, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833067
 
-   create     ${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}
-   enable:    sudo -H ln -s ${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP} ${uWSGI_APPS_ENABLED}/
-   start:     sudo -H service uwsgi start   ${SEARX_UWSGI_APP%.*}
-   restart:   sudo -H service uwsgi restart ${SEARX_UWSGI_APP%.*}
-   stop:      sudo -H service uwsgi stop    ${SEARX_UWSGI_APP%.*}
-   disable:   sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
+   create     ${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP}
+   enable:    sudo -H ln -s ${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP} ${uWSGI_APPS_ENABLED}/
+   start:     sudo -H service uwsgi start   ${SEARXNG_UWSGI_APP%.*}
+   restart:   sudo -H service uwsgi restart ${SEARXNG_UWSGI_APP%.*}
+   stop:      sudo -H service uwsgi stop    ${SEARXNG_UWSGI_APP%.*}
+   disable:   sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
 
 EOF
                 ;;
@@ -1043,12 +1067,12 @@ EOF
    # - http://0pointer.de/blog/projects/instances.html
    # - https://uwsgi-docs.readthedocs.io/en/latest/Systemd.html#one-service-per-app-in-systemd
 
-   create:    ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
-   enable:    sudo -H systemctl enable   uwsgi@${SEARX_UWSGI_APP%.*}
-   start:     sudo -H systemctl start    uwsgi@${SEARX_UWSGI_APP%.*}
-   restart:   sudo -H systemctl restart  uwsgi@${SEARX_UWSGI_APP%.*}
-   stop:      sudo -H systemctl stop     uwsgi@${SEARX_UWSGI_APP%.*}
-   disable:   sudo -H systemctl disable  uwsgi@${SEARX_UWSGI_APP%.*}
+   create:    ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
+   enable:    sudo -H systemctl enable   uwsgi@${SEARXNG_UWSGI_APP%.*}
+   start:     sudo -H systemctl start    uwsgi@${SEARXNG_UWSGI_APP%.*}
+   restart:   sudo -H systemctl restart  uwsgi@${SEARXNG_UWSGI_APP%.*}
+   stop:      sudo -H systemctl stop     uwsgi@${SEARXNG_UWSGI_APP%.*}
+   disable:   sudo -H systemctl disable  uwsgi@${SEARXNG_UWSGI_APP%.*}
 
 EOF
                 ;;
@@ -1060,9 +1084,9 @@ EOF
    # The unit file starts uWSGI in emperor mode (/etc/uwsgi.ini), see
    # - https://uwsgi-docs.readthedocs.io/en/latest/Emperor.html
 
-   create:    ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
-   restart:   sudo -H touch ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
-   disable:   sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
+   create:    ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
+   restart:   sudo -H touch ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
+   disable:   sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
 
 EOF
                 ;;
@@ -1072,7 +1096,7 @@ EOF
             echo -e "\n.. START searx uwsgi-appini $DIST_NAME"
             echo ".. code:: bash"
             echo
-            eval "echo \"$(< "${TEMPLATES}/${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}")\"" | prefix_stdout "  "
+            eval "echo \"$(< "${TEMPLATES}/${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP}")\"" | prefix_stdout "  "
             echo -e "\n.. END searx uwsgi-appini $DIST_NAME"
 
         )
diff --git a/utils/templates/etc/httpd/sites-available/searx.conf:filtron b/utils/templates/etc/httpd/sites-available/searxng.conf:filtron
index 379d47e24..379d47e24 100644
--- a/utils/templates/etc/httpd/sites-available/searx.conf:filtron
+++ b/utils/templates/etc/httpd/sites-available/searxng.conf:filtron
diff --git a/utils/templates/etc/httpd/sites-available/searx.conf:uwsgi b/utils/templates/etc/httpd/sites-available/searxng.conf:uwsgi
index ef702de3a..aabc125ae 100644
--- a/utils/templates/etc/httpd/sites-available/searx.conf:uwsgi
+++ b/utils/templates/etc/httpd/sites-available/searxng.conf:uwsgi
@@ -5,10 +5,10 @@ LoadModule proxy_module         ${APACHE_MODULES}/mod_proxy.so
 LoadModule proxy_uwsgi_module   ${APACHE_MODULES}/mod_proxy_uwsgi.so
 # LoadModule setenvif_module ${APACHE_MODULES}/mod_setenvif.so
 
-# SetEnvIf Request_URI "${SEARX_URL_PATH}" dontlog
+# SetEnvIf Request_URI "${SEARXNG_URL_PATH}" dontlog
 # CustomLog /dev/null combined env=dontlog
 
-<Location ${SEARX_URL_PATH}>
+<Location ${SEARXNG_URL_PATH}>
 
     <IfModule mod_security2.c>
         SecRuleEngine Off
diff --git a/utils/templates/etc/nginx/default.apps-available/searx.conf:filtron b/utils/templates/etc/nginx/default.apps-available/searxng.conf:filtron
index a89aa38b3..e25461c47 100644
--- a/utils/templates/etc/nginx/default.apps-available/searx.conf:filtron
+++ b/utils/templates/etc/nginx/default.apps-available/searxng.conf:filtron
@@ -1,6 +1,6 @@
 # https://example.org/searx
 
-location ${SEARX_URL_PATH} {
+location ${SEARXNG_URL_PATH} {
     proxy_pass         http://127.0.0.1:4004/;
 
     proxy_set_header   Host             \$host;
@@ -8,9 +8,9 @@ location ${SEARX_URL_PATH} {
     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    ${SEARX_URL_PATH};
+    proxy_set_header   X-Script-Name    ${SEARXNG_URL_PATH};
 }
 
-location ${SEARX_URL_PATH}/static/ {
+location ${SEARXNG_URL_PATH}/static/ {
     alias ${SEARX_SRC}/searx/static/;
 }
diff --git a/utils/templates/etc/uwsgi/apps-archlinux/searx.ini b/utils/templates/etc/uwsgi/apps-archlinux/searxng.ini
index dcb7d1a7d..dcb7d1a7d 100644
--- a/utils/templates/etc/uwsgi/apps-archlinux/searx.ini
+++ b/utils/templates/etc/uwsgi/apps-archlinux/searxng.ini
diff --git a/utils/templates/etc/uwsgi/apps-archlinux/searx.ini:socket b/utils/templates/etc/uwsgi/apps-archlinux/searxng.ini:socket
index 580600072..580600072 100644
--- a/utils/templates/etc/uwsgi/apps-archlinux/searx.ini:socket
+++ b/utils/templates/etc/uwsgi/apps-archlinux/searxng.ini:socket
diff --git a/utils/templates/etc/uwsgi/apps-available/searx.ini b/utils/templates/etc/uwsgi/apps-available/searxng.ini
index 440c2e97d..440c2e97d 100644
--- a/utils/templates/etc/uwsgi/apps-available/searx.ini
+++ b/utils/templates/etc/uwsgi/apps-available/searxng.ini
diff --git a/utils/templates/etc/uwsgi/apps-available/searx.ini:socket b/utils/templates/etc/uwsgi/apps-available/searxng.ini:socket
index 08c98cf61..08c98cf61 100644
--- a/utils/templates/etc/uwsgi/apps-available/searx.ini:socket
+++ b/utils/templates/etc/uwsgi/apps-available/searxng.ini:socket