Configure to use sqlite in akonadi.

roles/lmn_kde/tasks/main.yml

@@ -7,6 +7,7 @@
       - task-german-desktop
       - xdg-desktop-portal-kde
       - kde-full
+      - akonadi-backend-sqlite
       - atftp
       - thunderbird-l10n-de
       - webext-privacy-badger
@@ -73,18 +74,36 @@
     default_release: "{{ ansible_distribution_release }}-backports"
   when: ansible_distribution_release == 'bullseye'
 
-- name: enable splash screen
+
+- name: Enable splash screen
   replace:
     dest: "/etc/default/grub"
     regexp: '"quiet"$'
     replace: '"quiet splash"'
   notify: Run update-grub
 
+
+- name: Create akonadi config dir
+  ansible.builtin.file:
+    path: /etc/xdg/akonadi/
+    state: directory
+    mode: '0755'
+
+- name: Use sqlite in akonadi
+  blockinfile:
+    path: /etc/xdg/akonadi/akonadiserverrc
+    create: true
+    block: |
+      [%General]
+      Driver=QSQLITE3
+
+
 - name: Allow users to dump packets for wireshark
   ansible.builtin.file:
     path: /usr/bin/dumpcap
     mode: '0755'
 
+
 - name: Add home dirs to apparmor
   lineinfile:
     dest: /etc/apparmor.d/tunables/home.d/ubuntu
@@ -92,6 +111,7 @@
       @{HOMEDIRS}+=/srv/samba/schools/default-school/teachers/
       /srv/samba/schools/default-school/students/*/
 
+
 - name: Create firefox policies directory
   ansible.builtin.file:
     path: /etc/firefox-esr/policies
@@ -104,12 +124,12 @@
     dest: /etc/firefox
     state: link
 
-
 - name: copy policy
   ansible.builtin.copy:
     src: policies.json
     dest: /etc/firefox-esr/policies/
 
+
 - name: tune SDDM login
   blockinfile:
     path: /etc/sddm.conf
@@ -126,6 +146,7 @@
     state: directory
     mode: '0755'
 
+
 - name: Avoid suspending
   blockinfile:
     path: /etc/systemd/sleep.conf.d/nosuspend.conf
@@ -154,6 +175,7 @@
     - pwroff.timer
   notify: enable pwroff.timer
 
+
 ################# general settings ##################
 - name: Protect grub menu entries
   blockinfile: