diff --git a/README b/README
index 2c60c4f..e13b926 100644
--- a/README
+++ b/README
@@ -41,9 +41,8 @@ Installbox
    - LAN interface not configured/managed
 
  • Customize installbox.yml:
-   - set if_lan (mandatory)
-   - modify deb_mirror
-   - enable installbox2kiosk task
+   - set if_lan if necessary
+   - enable/disable installbox2kiosk task
 
  • Run ansible:
      ssh-copy-id ansible@1.2.3.4
diff --git a/installbox.yml b/installbox.yml
index 850db30..a7418a0 100644
--- a/installbox.yml
+++ b/installbox.yml
@@ -1,28 +1,33 @@
 ---
-# This playbook deploys the installbox on a minimal installation.
+## This playbook deploys the installbox.  Add 'hostname=XXX' and
+## 'domain=YYY' to the installer boot parameters to set hostname and
+## domain.
 
 - name: apply configuration to the installbox
   hosts: all
   remote_user: ansible
   become: yes
+
   vars:
     ## This interface provides the default route:
     if_wan: "{{ ansible_default_ipv4.interface }}"
+
     ## Use the first remaining interface for the LAN:
     if_lan: "{{ ansible_interfaces | difference([if_wan, 'lo']) | first }}"
-    ## Add 'hostname=XXX' to the installer boot parameters if necessary:
-    hostname: "{{ ansible_hostname }}"
+
+    ## LAN IP address range:
     ipaddr_lan: 192.168.0.10
     dhcp_range: 192.168.0.50,192.168.0.150,2h
     dhcp_list: "{{ lookup('sequence', 'start=50 end=150 format=192.168.0.%d', wantlist=True) }}"
-    tftp_root: "/var/lib/tftpboot"
-    deb_mirror: "deb.debian.org"
-    di_dist: "buster"
-    di_version: "10"
+
+    di_dist: "{{ ansible_distribution_release }}"
+    di_version: "{{ ansible_distribution_major_version }}"
     di_pkg: "debian-installer-{{ di_version }}-netboot-amd64"
+
     ansible_user: ansible
-    repo_dir: "/home/{{ ansible_user }}/kiosk"
-    ansible_python_interpreter: "/usr/bin/python3"  # needed for firewalld module
+    repo_dir: "/home/{{ ansible_user }}/debian-lan"
+    ansible_python_interpreter: "/usr/bin/python3"  ## needed for firewalld module
+
 
   pre_tasks:
     - name: validate if interfaces are available
@@ -30,11 +35,11 @@
         msg: "Interfaces {{ ansible_interfaces }} found. WAN: '{{ if_wan }}', LAN: '{{ if_lan }}'.  Two NICs needed."
       when: (if_lan not in ansible_interfaces) or (if_wan not in ansible_interfaces) or (if_lan == if_wan)
 
+
   roles:
     - up2date-debian
     - two-interface-firewalld
     - dhcp-dns-dnsmasq
     - tftp-netboot-installer
-    - preseed-installer
     - apt-cacher
-    - installbox2kiosk
+    - prepare4clients
diff --git a/kerberox-client.yml b/kerberox-client.yml
index 3170e0e..e54b505 100644
--- a/kerberox-client.yml
+++ b/kerberox-client.yml
@@ -16,7 +16,7 @@
     - name: "kadmin_pwd"
       prompt: "Provide kadmin password to fetch kerberos keytab.\nLeave empty if done already"
       private: yes
-      
+
   roles:
     - up2date-debian
     - lan-client
diff --git a/kerberox.yml b/kerberox.yml
index 1c34282..764359f 100644
--- a/kerberox.yml
+++ b/kerberox.yml
@@ -1,46 +1,52 @@
 ---
-# This playbook deploys the kerberox server.
+## This playbook deploys the kerberox server.   Add 'hostname=XXX' and
+## 'domain=YYY' to the installer boot parameters to set hostname and domain.
 
-- name: apply configuration to the installbox
+- name: apply configuration to the kerberox server
   hosts: all
   remote_user: ansible
   become: yes
+
   vars:
     ## This interface provides the default route:
     if_wan: "{{ ansible_default_ipv4.interface }}"
+
     ## Use the first remaining interface for the LAN:
     if_lan: "{{ ansible_interfaces | difference([if_wan, 'lo']) | first }}"
-    ## Add 'hostname=XXX' to the installer boot parameters if necessary:
-    hostname: "{{ ansible_hostname }}"
+
+    ## LAN IP address range:
     ipaddr_lan: 192.168.0.10
     dhcp_range: 192.168.0.50,192.168.0.150,2h
     dhcp_list: "{{ lookup('sequence', 'start=50 end=150 format=192.168.0.%d', wantlist=True) }}"
-    tftp_root: "/var/lib/tftpboot"
-    deb_mirror: "deb.debian.org"
+
     di_dist: "{{ ansible_distribution_release }}"
-    di_version: "{{ ansible_distribution_version }}"
+    di_version: "{{ ansible_distribution_major_version }}"
     di_pkg: "debian-installer-{{ di_version }}-netboot-amd64"
+
     ansible_user: ansible
     repo_dir: "/home/{{ ansible_user }}/debian-lan"
     ansible_python_interpreter: "/usr/bin/python3"  ## needed for firewalld module
 
+
   vars_prompt:
     - name: "foo_pwd"
       prompt: "Provide a non-empty password for the test user 'foo'.\nLeave empty to continue without test user"
       private: yes
 
+
   pre_tasks:
     - name: validate if interfaces are available
       fail:
         msg: "Interfaces {{ ansible_interfaces }} found. WAN: '{{ if_wan }}', LAN: '{{ if_lan }}'.  Two NICs needed."
       when: (if_lan not in ansible_interfaces) or (if_wan not in ansible_interfaces) or (if_lan == if_wan)
 
+
   roles:
     - up2date-debian
     - two-interface-firewalld
     - dhcp-dns-dnsmasq
     - tftp-netboot-installer
-    - preseed-installer
     - apt-cacher
     - krb5-kdc-ldap
     - nfs-server
+    - prepare4clients
diff --git a/roles/apt-cacher/tasks/main.yml b/roles/apt-cacher/tasks/main.yml
index c54a3a9..bb9cc51 100644
--- a/roles/apt-cacher/tasks/main.yml
+++ b/roles/apt-cacher/tasks/main.yml
@@ -9,5 +9,18 @@
     dest: /etc/apt/apt.conf
     backup: yes
   notify: "start apt-cacher-ng"
+  when: not run_in_installer|default(false)|bool  ## do not enable apt-cacher during installation
+
+
+- name: check if preseeded installer is available
+  stat: path={{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg
+  register: preseedcfg
+
+- name: enable apt-cacher-ng for install-clients
+  replace:
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
+    regexp: '^(d-i mirror/http/proxy string.*)$'
+    replace: 'd-i mirror/http/proxy string http://{{ ansible_hostname }}:3142/'
+  when: preseedcfg.stat.exists
 
 - meta: flush_handlers
diff --git a/roles/installbox2kiosk/tasks/main.yml b/roles/installbox2kiosk/tasks/main.yml
deleted file mode 100644
index 6fe4f00..0000000
--- a/roles/installbox2kiosk/tasks/main.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-- name: generate ssh key
-  command: "su -l {{ ansible_user }} -c \"ssh-keygen -t rsa -f /home/{{ ansible_user }}/.ssh/id_rsa -P ''\""
-  args:
-    creates: "/home/{{ ansible_user }}/.ssh/id_rsa"
-    warn: False
-
-- name: slurp public key
-  slurp:
-    src: "/home/{{ ansible_user }}/.ssh/id_rsa.pub"
-  register: sshpubkey
-
-# The following seems to be necessary to get rid of a newline:
-- set_fact:
-    sshpubkey: "{{ sshpubkey['content'] | b64decode | replace('\n', '') }}"
-
-- name: set debian mirror in preseed file
-  when: deb_mirror != "deb.debian.org"
-  replace:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    regexp: '^(d-i mirror/http/hostname string deb.debian.org)$'
-    replace: '#\1\nd-i mirror/http/hostname string {{ deb_mirror }}'
-
-- name: enable backports in preseed file
-  replace:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    regexp: '^#(apt-setup-udeb.*)$'
-    replace: '\1'
-
-- name: preseed client - add firmware-linux, ansible and git
-  replace:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    regexp: '^(d-i pkgsel/include string firmware-linux)$'
-    replace: '#\1\nd-i pkgsel/include string firmware-linux ansible git'
-
-- name: insert start of managed block
-  replace:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    regexp: '^(### This command is run just before the install finishes:)'
-    replace: '#\1\n# BEGIN ANSIBLE MANAGED BLOCK preseed/late_command'
-
-- name: insert end of managed block
-  replace:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    regexp: '^(## When installing.*)'
-    replace: '# END ANSIBLE MANAGED BLOCK preseed/late_command\n#\1'
-
-- name: insert block
-  blockinfile:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    insertafter: "^### This command is run just before the install finishes:"
-    block: |
-      d-i preseed/late_command string \
-      mkdir -p /target/home/ansible/.ssh && \
-      echo "{{ sshpubkey }}" >> /target/home/ansible/.ssh/authorized_keys ; \
-      in-target chown -R ansible:ansible /home/ansible/.ssh/ ; \
-      in-target chmod -R og= /home/ansible/.ssh/ ; \
-      in-target ansible-pull --verbose --purge --extra-vars="run_in_installer=true" \
-                             -i localhost, --url=git://{{ hostname }}/.git $playbook
-    marker: "# {mark} ANSIBLE MANAGED BLOCK preseed/late_command"
-
-- name: provide git repo if not available already
-  git:
-    repo: 'https://salsa.debian.org/andi/debian-lan-ansible.git'
-    dest: "{{ repo_dir }}"
-    update: no
-  become_user: "ansible"
-
-- name: start git-repo
-  template:
-    src: git-repo.j2
-    dest: "/etc/systemd/system/git-repo.service"
-  notify: start git-repo
diff --git a/roles/krb5-kdc-ldap/tasks/main.yml b/roles/krb5-kdc-ldap/tasks/main.yml
index fc27565..59d289f 100644
--- a/roles/krb5-kdc-ldap/tasks/main.yml
+++ b/roles/krb5-kdc-ldap/tasks/main.yml
@@ -4,7 +4,7 @@
 - fail: msg="The machine's domain must not be empty."
   when: ansible_domain | length == 0
 
-- name: check if slapd is already there
+- name: check if krb5kdc is already there
   stat: path=/usr/sbin/krb5kdc
   register: krb5kdc
 
diff --git a/roles/ldap/tasks/main.yml b/roles/ldap/tasks/main.yml
index c8564d4..131e8c9 100644
--- a/roles/ldap/tasks/main.yml
+++ b/roles/ldap/tasks/main.yml
@@ -53,7 +53,7 @@
     src: slapd-config.ldif
     dest: /etc/ldap/slapd.d/slapd-config.ldif
   when: not slapd.stat.exists
-
+  
 - name: activate ppolicy schema
   command: ldapadd  -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/ppolicy.ldif
   when: not slapd.stat.exists
@@ -128,6 +128,6 @@
 
 ## Use firewall-offline-cmd when run during installation:
 
-- name: allow ldap service in firewalld 
+- name: allow ldap service in firewalld
   command: "firewall-offline-cmd --zone=internal --add-service=ldap"
   when: run_in_installer|default(false)|bool
diff --git a/roles/installbox2kiosk/handlers/main.yml b/roles/prepare4clients/handlers/main.yml
similarity index 100%
rename from roles/installbox2kiosk/handlers/main.yml
rename to roles/prepare4clients/handlers/main.yml
diff --git a/roles/prepare4clients/tasks/main.yml b/roles/prepare4clients/tasks/main.yml
new file mode 100644
index 0000000..4ae6d3f
--- /dev/null
+++ b/roles/prepare4clients/tasks/main.yml
@@ -0,0 +1,146 @@
+- name: generate ssh key
+  command: "su -l {{ ansible_user }} -c \"ssh-keygen -t rsa -f /home/{{ ansible_user }}/.ssh/id_rsa -P ''\""
+  args:
+    creates: "/home/{{ ansible_user }}/.ssh/id_rsa"
+    warn: False
+
+- name: slurp public key
+  slurp:
+    src: "/home/{{ ansible_user }}/.ssh/id_rsa.pub"
+  register: sshpubkey
+
+# The following seems to be necessary to get rid of a newline:
+- set_fact:
+    sshpubkey: "{{ sshpubkey['content'] | b64decode | replace('\n', '') }}"
+
+- name: enable backports in preseed file
+  replace:
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
+    regexp: '^#(apt-setup-udeb.*)$'
+    replace: '\1'
+
+- name: preseed client - add firmware-linux, ansible and git
+  replace:
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
+    regexp: '^(d-i pkgsel/include string firmware-linux)$'
+    replace: '#\1\nd-i pkgsel/include string firmware-linux ansible git'
+
+- name: insert start of managed block
+  replace:
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
+    regexp: '^(### This command is run just before the install finishes:)'
+    replace: '#\1\n# BEGIN ANSIBLE MANAGED BLOCK preseed/late_command'
+
+- name: insert end of managed block
+  replace:
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
+    regexp: '^(## When installing.*)'
+    replace: '# END ANSIBLE MANAGED BLOCK preseed/late_command\n#\1'
+
+- name: insert block
+  blockinfile:
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
+    insertafter: "^### This command is run just before the install finishes:"
+    block: |
+      d-i preseed/late_command string \
+      mkdir -p /target/home/ansible/.ssh && \
+      echo "{{ sshpubkey }}" >> /target/home/ansible/.ssh/authorized_keys ; \
+      in-target chown -R ansible:ansible /home/ansible/.ssh/ ; \
+      in-target chmod -R og= /home/ansible/.ssh/ ; \
+      in-target ansible-pull --verbose --purge --extra-vars="run_in_installer=true" \
+                             -i localhost, --url=git://{{ ansible_hostname }}/.git $playbook
+    marker: "# {mark} ANSIBLE MANAGED BLOCK preseed/late_command"
+
+- name: add kiosk auto pxe boot entry to di-netboot-assistant
+  blockinfile:
+    dest: /etc/di-netboot-assistant/pxelinux.HEAD
+    insertbefore: EOF
+    block: |
+      TIMEOUT 100
+      # Use a temporary package cache during installation, install etckeeper.
+      LABEL tmp pkg cache
+         MENU LABEL Debian stable (amd64) + temporary package cache
+         kernel ::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux
+         append initrd=::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz mirror/http/proxy?=http://{{ ansible_hostname }}:3142/ pkgsel/include=etckeeper preseed/late_command="rm -fv /target/etc/apt/apt.conf" ---
+
+      LABEL autoinstall
+         MENU LABEL Debian {{ di_version }} (amd64) + preseed + kiosk.yml
+         kernel ::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux
+         append initrd=::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz auto=true priority=critical url=tftp://{{ ansible_hostname }} playbook=kiosk.yml ---
+
+         #LABEL daily
+         #MENU LABEL Debian daily (amd64) + preseed + kiosk.yml
+         #kernel ::/d-i/n-a/daily/amd64/linux
+         #append initrd=::/d-i/n-a/daily/amd64/initrd.gz auto=true priority=critical url=tftp://{{ ansible_hostname }} playbook=kiosk.yml ---
+    marker: "# {mark} ANSIBLE MANAGED BLOCK kiosk"
+  notify: "rebuild di-netboot-assistant menu"
+
+- name: add kiosk auto efi boot entry to di-netboot-assistant
+  blockinfile:
+    dest: /etc/di-netboot-assistant/grub.cfg.HEAD
+    insertbefore: EOF
+    block: |
+      # Use a temporary package cache during installation, install etckeeper.
+      menuentry 'Debian stable (amd64) + temporary package cache' {
+         linux   /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux mirror/http/proxy?=http://{{ ansible_hostname }}:3142/ pkgsel/include=etckeeper preseed/late_command="rm -fv /target/etc/apt/apt.conf" ---
+         initrd  /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz
+      }
+
+      menuentry 'Debian {{ di_version }} (amd64) + preseed + kiosk.yml' {
+         linux   /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux auto=true priority=critical url=tftp://{{ ansible_hostname }} playbook=kiosk.yml ---
+         initrd  /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz
+      }
+
+      #menuentry 'Debian daily (amd64) + preseed + kiosk.yml' {
+      #   linux   /d-i/n-a/daily/amd64/linux auto=true priority=critical url=tftp://{{ ansible_hostname }} playbook=kiosk.yml ---
+      #   initrd  /d-i/n-a/daily/amd64/initrd.gz
+      #}
+    marker: "# {mark} ANSIBLE MANAGED BLOCK kiosk"
+  notify: "rebuild di-netboot-assistant menu"
+
+########  kerberox-client #######
+
+- name: check if we opereate on kerberox
+  stat: path=/usr/sbin/krb5kdc
+  register: krb5kdc
+
+- name: add kerberox-client auto pxe boot entry to di-netboot-assistant
+  blockinfile:
+    dest: /etc/di-netboot-assistant/pxelinux.HEAD
+    insertbefore: EOF
+    block: |
+      LABEL autoinstall
+         MENU LABEL Debian {{ di_version }} (amd64) + preseed + kerberox-client.yml
+         kernel ::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux
+         append initrd=::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz auto=true priority=critical url=tftp://{{ ansible_hostname }} playbook=kerberox-client.yml ---
+    marker: "# {mark} ANSIBLE MANAGED BLOCK kerberox-client"
+  notify: "rebuild di-netboot-assistant menu"
+  when: krb5kdc.stat.exists
+
+- name: add kerberox-client auto efi boot entry to di-netboot-assistant
+  blockinfile:
+    dest: /etc/di-netboot-assistant/grub.cfg.HEAD
+    insertbefore: EOF
+    block: |
+      menuentry 'Debian {{ di_version }} (amd64) + preseed + kerberox-client.yml' {
+         linux   /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux auto=true priority=critical url=tftp://{{ ansible_hostname }} playbook=kerberox-client.yml ---
+         initrd  /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz
+      }
+    marker: "# {mark} ANSIBLE MANAGED BLOCK kerberox-client"
+  notify: "rebuild di-netboot-assistant menu"
+  when: krb5kdc.stat.exists
+
+######################
+
+- name: provide git repo if not available already
+  git:
+    repo: 'https://salsa.debian.org/andi/debian-lan-ansible.git'
+    dest: "{{ repo_dir }}"
+    update: no
+  become_user: "ansible"
+
+- name: start git-repo
+  template:
+    src: git-repo.j2
+    dest: "/etc/systemd/system/git-repo.service"
+  notify: start git-repo
diff --git a/roles/installbox2kiosk/templates/git-repo.j2 b/roles/prepare4clients/templates/git-repo.j2
similarity index 100%
rename from roles/installbox2kiosk/templates/git-repo.j2
rename to roles/prepare4clients/templates/git-repo.j2
diff --git a/roles/preseed-installer/tasks/main.yml b/roles/preseed-installer/tasks/main.yml
deleted file mode 100644
index 8435208..0000000
--- a/roles/preseed-installer/tasks/main.yml
+++ /dev/null
@@ -1,55 +0,0 @@
-- name: make preseed directory available
-  file:
-    path: "{{ tftp_root }}/d-i/{{ di_dist }}"
-    state: directory
-
-- name: provide preseed file
-  copy:
-    src: /usr/share/doc/di-netboot-assistant/examples/preseed.cfg
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}"
-    force: no
-
-- name: enable apt-cacher-ng for install-clients
-  replace:
-    dest: "{{ tftp_root }}/d-i/{{ di_dist }}/preseed.cfg"
-    regexp: '^(d-i mirror/http/proxy string.*)$'
-    replace: 'd-i mirror/http/proxy string http://{{ hostname }}:3142/'
-    
-- name: make the hostname resolvable from the LAN
-  replace:
-    path: /etc/hosts
-    regexp: '^(127\.0\.1\.1.*)$'
-    replace: '#\1\n{{ ipaddr_lan }}	{{ hostname }}'
-
-- name: add auto pxe boot entry to di-netboot-assistant
-  blockinfile:
-    dest: /etc/di-netboot-assistant/pxelinux.HEAD
-    insertbefore: EOF
-    block: |
-      TIMEOUT 100
-      LABEL autoinstall
-         MENU LABEL Debian {{ di_version }} (amd64) + preseed + kiosk.yml
-         kernel ::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux
-         append initrd=::/d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz auto=true priority=critical url=tftp://{{ hostname }} playbook=kiosk.yml ---
-
-         #LABEL daily
-         #MENU LABEL Debian daily (amd64) + preseed + kiosk.yml
-         #kernel ::/d-i/n-a/daily/amd64/linux
-         #append initrd=::/d-i/n-a/daily/amd64/initrd.gz auto=true priority=critical url=tftp://{{ hostname }} playbook=kiosk.yml ---
-  notify: "rebuild di-netboot-assistant menu"
-
-- name: add auto efi boot entry to di-netboot-assistant
-  blockinfile:
-    dest: /etc/di-netboot-assistant/grub.cfg.HEAD
-    insertbefore: EOF
-    block: |
-      menuentry 'Debian {{ di_version }} (amd64) + preseed + kiosk.yml' {
-         linux   /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/linux auto=true priority=critical url=tftp://{{ hostname }} playbook=kiosk.yml ---
-         initrd  /d-i/n-pkg/images/{{ di_version }}/amd64/text/debian-installer/amd64/initrd.gz
-      }
-
-      #menuentry 'Debian daily (amd64) + preseed + kiosk.yml' {
-      #   linux   /d-i/n-a/daily/amd64/linux auto=true priority=critical url=tftp://{{ hostname }} playbook=kiosk.yml ---
-      #   initrd  /d-i/n-a/daily/amd64/initrd.gz
-      #}
-  notify: "rebuild di-netboot-assistant menu"
diff --git a/roles/tftp-netboot-installer/defaults/main.yml b/roles/tftp-netboot-installer/defaults/main.yml
new file mode 100644
index 0000000..2b791ea
--- /dev/null
+++ b/roles/tftp-netboot-installer/defaults/main.yml
@@ -0,0 +1 @@
+tftp_root: "/var/lib/tftpboot"
diff --git a/roles/tftp-netboot-installer/tasks/main.yml b/roles/tftp-netboot-installer/tasks/main.yml
index 31df608..a70a711 100644
--- a/roles/tftp-netboot-installer/tasks/main.yml
+++ b/roles/tftp-netboot-installer/tasks/main.yml
@@ -1,3 +1,8 @@
+- name: make preseed directory available
+  file:
+    path: "{{ tftp_root }}/d-i/{{ di_dist }}"
+    state: directory
+
 - name: install di-netboot-assistant and installer package
   apt:
     name:
@@ -7,6 +12,12 @@
     - bind mount images
     - rebuild di-netboot-assistant menu
 
+- name: provide preseed file
+  copy:
+    src: /usr/share/doc/di-netboot-assistant/examples/preseed.cfg
+    dest: "{{ tftp_root }}/d-i/{{ di_dist }}"
+    force: no
+
 - name: configure dnsmasq
   template:
     src: dnsmasq-tftp-netboot-installer.j2
@@ -14,3 +25,9 @@
   notify:
     - restart dnsmasq
     - rebuild di-netboot-assistant menu
+
+- name: make the hostname resolvable from the LAN
+  replace:
+    path: /etc/hosts
+    regexp: '^(127\.0\.1\.1.*)$'
+    replace: '#\1\n{{ ipaddr_lan }}	{{ ansible_hostname }}.{{ ansible_domain }}	{{ ansible_hostname }}'
diff --git a/roles/two-interface-firewalld/tasks/main.yml b/roles/two-interface-firewalld/tasks/main.yml
index dd5a05e..d61dc39 100644
--- a/roles/two-interface-firewalld/tasks/main.yml
+++ b/roles/two-interface-firewalld/tasks/main.yml
@@ -24,7 +24,7 @@
 - name: enable masquerading
   firewalld:
     zone: public
-    masquerade: yes
+    masquerade: 'yes'
     permanent: yes
     state: enabled
   when: not run_in_installer|default(false)|bool