diff --git a/roles/nginx/tasks/install.yml b/roles/nginx/tasks/install.yml
index 41f734b63..8d193cfb3 100644
--- a/roles/nginx/tasks/install.yml
+++ b/roles/nginx/tasks/install.yml
@@ -51,12 +51,14 @@
 
 # php-stem extension installed by roles/www_base/tasks/php-stem.yml
 # here it is linked to php-fpm
+# we skip any errors which probably due to the lack of the .so for the current platform
 - name: Symlink /etc/php/{{ php_version }}/fpm/conf.d/20-stem.ini -> /etc/php/{{ php_version }}/mods-available/stem.ini
   file:
     src: "/etc/php/{{ php_version }}/mods-available/stem.ini"
     path: "/etc/php/{{ php_version }}/fpm/conf.d/20-stem.ini"
     state: link
-  when: php_version != 7.4
+  ignore_errors: yes
+  #when: php_version != 7.4
   #when: nginx_enabled | bool
 
 - name: Restart php{{ php_version }}-fpm systemd service
diff --git a/roles/www_base/tasks/main.yml b/roles/www_base/tasks/main.yml
index 59d05172d..e3ee21047 100644
--- a/roles/www_base/tasks/main.yml
+++ b/roles/www_base/tasks/main.yml
@@ -7,7 +7,7 @@
 - include_tasks: html.yml
 
 - include_tasks: php-stem.yml
-  when: php_version != 7.4
+  when: php_version < 7.4
 
 - name: Create dir {{ doc_root }}/home -- if you customized var iiab_home_url e.g. in /etc/iiab/local_vars.yml, that dir is created later -- by www_options/tasks/main.yml
   file:
diff --git a/vars/local_vars_medical.yml b/vars/local_vars_medical.yml
new file mode 100644
index 000000000..37ef36418
--- /dev/null
+++ b/vars/local_vars_medical.yml
@@ -0,0 +1,16 @@
+# Default overrides
+kalite_install: False
+kalite_enabled: False
+captive_portal_install: True
+captive_portal_enabled: True
+mediawiki_install: True
+mediawiki_enabled: True
+osm_vector_maps_install: False
+osm_vector_maps_enabled: False
+munin_install: True
+munin_enabled: True
+vnstat_install: True
+vnstat_enabled: True
+# By default
+# kiwix
+# awstats