diff --git a/README.md b/README.md
index fc5d3b8..e2620dd 100644
--- a/README.md
+++ b/README.md
@@ -21,15 +21,6 @@ That must differ from host to host. The first one must be set to *True* on one h
 Dependencies
 ------------
 
-Example Playbook
-----------------
-
-Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
-
-    - hosts: servers
-      roles:
-         - { role: username.rolename, x: 42 }
-
 License
 -------
 
diff --git a/meta/main.yml b/meta/main.yml
index 5cc055c..03b83d1 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -1,61 +1,24 @@
 galaxy_info:
-  author: your name
-  description: your description
+  author: Andrea Dell'Amico
+  description: Systems Architect
   company: ISTI-CNR
 
-  # If the issue tracker for your role is not on github, uncomment the
-  # next line and provide a value
   issue_tracker_url: https://redmine-s2i2s.isti.cnr.it/projects/provisioning
 
-  # Some suggested licenses:
-  # - BSD (default)
-  # - MIT
-  # - GPLv2
-  # - GPLv3
-  # - Apache
-  # - CC-BY
   license: EUPL 1.2+
 
   min_ansible_version: 2.8
 
-  # If this a Container Enabled role, provide the minimum Ansible Container version.
-  # min_ansible_container_version:
-
-  # Optionally specify the branch Galaxy will use when accessing the GitHub
-  # repo for this role. During role install, if no tags are available,
-  # Galaxy will use this branch. During import Galaxy will access files on
-  # this branch. If Travis integration is configured, only notifications for this
-  # branch will be accepted. Otherwise, in all cases, the repo's default branch
-  # (usually master) will be used.
-  #github_branch:
-
-  #
-  # Provide a list of supported platforms, and for each platform a list of versions.
-  # If you don't wish to enumerate all versions for a particular platform, use 'all'.
   # To view available platforms and versions (or releases), visit:
   # https://galaxy.ansible.com/api/v1/platforms/
   #
-  # platforms:
-  # - name: Fedora
-  #   versions:
-  #   - all
-  #   - 25
-  # - name: SomePlatform
-  #   versions:
-  #   - all
-  #   - 1.0
-  #   - 7
-  #   - 99.99
+  platforms:
+    - name: Ubuntu
+      versions:
+        - bionic
 
-  galaxy_tags: []
-    # List tags for your role here, one per line. A tag is a keyword that describes
-    # and categorizes the role. Users find roles by searching for tags. Be sure to
-    # remove the '[]' above, if you add tags to this list.
-    #
-    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
-    #       Maximum 20 tags per role.
+  galaxy_tags:
+    - openvpn
+    - vpn
 
 dependencies: []
-  # List your role dependencies here, one per line. Be sure to remove the '[]' above,
-  # if you add dependencies to this list.
-
diff --git a/tasks/letsencrypt-openvpn.yml b/tasks/letsencrypt-openvpn.yml
index fd6ddc1..42c8803 100644
--- a/tasks/letsencrypt-openvpn.yml
+++ b/tasks/letsencrypt-openvpn.yml
@@ -2,13 +2,13 @@
 - name: Create the acme hooks directory if it does not yet exist
   file: dest={{ letsencrypt_acme_services_scripts_dir }} state=directory owner=root group=root
   when:
-    - openvpn_letsencrypt_managed
-    - letsencrypt_acme_install
+    - openvpn_letsencrypt_managed | bool
+    - letsencrypt_acme_install | bool
   tags: [ 'openvpn', 'letsencrypt' ]
 
 - name: Install a script that fix the letsencrypt certificate for openvpn and then reload the service
   copy: src=openvpn-letsencrypt-acme.sh dest={{ letsencrypt_acme_services_scripts_dir }}/openvpn owner=root group=root mode=4555
   when:
-    - openvpn_letsencrypt_managed
-    - letsencrypt_acme_install
+    - openvpn_letsencrypt_managed | bool
+    - letsencrypt_acme_install | bool
   tags: [ 'openvpn', 'letsencrypt' ]
diff --git a/tasks/openvpn.yml b/tasks/openvpn.yml
index 0f17e55..9b81760 100644
--- a/tasks/openvpn.yml
+++ b/tasks/openvpn.yml
@@ -22,7 +22,7 @@
   tags: [ 'openvpn', 'openvpn_radius' ]
 
 - block: 
-    - name: Install the OpenVPN radius auth plugin package
+    - name: Install the OpenVPN management key file
       template: src=management.txt.j2 dest={{ openvpn_management_file }} owner=root group=root mode=0400
 
   when: openvpn_management_enabled | bool
@@ -36,7 +36,7 @@
       template: src=auth-ldap.conf.j2 dest={{ openvpn_conf_dir }}/auth/auth-ldap.conf owner=root group={{ openvpn_unprivileged_group }} mode=0440
       notify: Reload OpenVPN
 
-  when: openvpn_ldap_auth
+  when: openvpn_ldap_auth | bool
   tags: [ 'openvpn', 'openvpn_ldap', 'openvpn_basic_conf' ]
 
 - block:
@@ -44,19 +44,9 @@
       file: dest={{ openvpn_conf_dir }}/auth/auth-ldap.conf state=absent
       notify: Reload OpenVPN
 
-  when: not openvpn_ldap_auth
+  when: not openvpn_ldap_auth | bool
   tags: [ 'openvpn', 'openvpn_ldap', 'openvpn_basic_conf' ]
 
-- block:
-    - name: Install the perl libraries needed by the LDAP client authentication script
-      apt: pkg={{ openvpn_perl_pkg }} state={{ openvpn_pkg_state }} update_cache=yes cache_valid_time=1800
-
-    - name: Install the perl LDAP auth script
-      template: src=auth-ldap.pl.j2 dest={{ openvpn_conf_dir }}/auth/auth-ldap owner=root group={{ openvpn_unprivileged_group }} mode=0550
-
-  when: openvpn_ldap_perl_auth
-  tags: [ 'openvpn', 'openvpn_ldap' ]
-
 - block:
     - name: Install the main OpenVPN configuration file on the servers
       template: src=server.conf.j2 dest={{ openvpn_conf_dir }}/{{ openvpn_conf_name }} owner=root group={{ openvpn_unprivileged_group }} mode=0440