diff --git a/hosts b/hosts
index 9837f34..69392e7 100644
--- a/hosts
+++ b/hosts
@@ -60,7 +60,6 @@ freeradius.universe.local
 backup.universe.local
 
 [database]
-coruscant.universe.local
 mariadb01.universe.local
 mariadb02.universe.local
 mariadb03.universe.local
@@ -71,7 +70,6 @@ endorvm.universe.local
 tuxedo-book-xp1511.universe.local
 
 [dhcpserver]
-coruscant.universe.local
 dhcp-kea.universe.local
 
 [docker]
@@ -91,7 +89,6 @@ samba-ad-dc2
 drone.universe.local
 
 [fileserver]
-coruscant.universe.local
 nfs-server.universe.local
 
 [glustertest]
@@ -112,7 +109,6 @@ icinga_satellite
 mewimeet.de jitsi_fqdn=mewimeet.de
 
 [mailserver]
-coruscant.universe.local
 mail.mewissen.site
 mailcow.universe.local
 mail.universe.local
@@ -127,7 +123,6 @@ lifebook-u939.universe.local
 LIFEBOOK-U939
 
 [nameserver]
-coruscant.universe.local
 dnspri.universe.local
 dnssec1.universe.local
 dnssec2.universe.local
@@ -143,10 +138,8 @@ endorvm.universe.local
 tuxedo-book-xp1511.universe.local
 
 [printspooler]
-coruscant.universe.local
 
 [proxyserver]
-coruscant.universe.local
 tinyproxy.universe.local
 
 [video_editing]
diff --git a/roles/base/tasks/software/packages_utilities.yml b/roles/base/tasks/software/packages_utilities.yml
index 5f3a6b7..c7bf214 100644
--- a/roles/base/tasks/software/packages_utilities.yml
+++ b/roles/base/tasks/software/packages_utilities.yml
@@ -76,4 +76,18 @@
       - dnsutils
       - unattended-upgrades
       - "{{ python_passlib_package }}"
-  when: ansible_distribution in [ "Debian", "Ubuntu", "Linux Mint" ]
+  when: ansible_distribution in [ "Debian", "Ubuntu" ]
+
+- name: system setup | utilities | install utilities (linux mint)
+  tags: packages,system,system setup
+  package:
+    state: latest
+    name:
+      - bat
+      - sudo
+      - htop
+      - eza
+      - dnsutils
+      - unattended-upgrades
+      - "{{ python_passlib_package }}"
+  when: ansible_distribution in [ "Linux Mint" ]
diff --git a/roles/base/tasks/system_setup/cron.yml b/roles/base/tasks/system_setup/cron.yml
index 7c7622b..e90d04e 100644
--- a/roles/base/tasks/system_setup/cron.yml
+++ b/roles/base/tasks/system_setup/cron.yml
@@ -13,7 +13,7 @@
     enabled: true
   when: ansible_distribution == "Archlinux"
 
-- name: "add cronjob for ansible"
+- name: add cronjob for ansible
   become: true
   become_user: root
   cron:
@@ -24,6 +24,23 @@
     minute: 0
     hour: 1
 
+- name: correct crontab for reboot | remove
+  become: true
+  become_user: root
+  cron:
+    name: "generate SSH key on reboot, if missing"
+    job: '[[ -f /etc/ssh/ssh_host_* ]] | ssh-keygen -A'
+    state: absent
+
+- name: correct crontab for reboot | add
+  become: true
+  become_user: root
+  cron:
+    name: "generate SSH key on reboot, if missing"
+    job: '[[ -f /etc/ssh/ssh_host_* ]] || ssh-keygen -A'
+    state: present
+    special_time: reboot
+
 # - name: system setup | cron | schedule automatic ansible provisioning
 #   tags: cron
 #   cron:
@@ -59,4 +76,4 @@
     hour: "0"
     minute: "0"
     job: "{{ root_home }} + '/bin/cron_pacman'"
-  when: ansible_distribution in ["Archlinux"]  
\ No newline at end of file
+  when: ansible_distribution in ["Archlinux"]  
diff --git a/roles/base/tasks/system_setup/hosts.yml b/roles/base/tasks/system_setup/hosts.yml
index eaca382..3b814c7 100644
--- a/roles/base/tasks/system_setup/hosts.yml
+++ b/roles/base/tasks/system_setup/hosts.yml
@@ -6,7 +6,6 @@
     owner: 'root'
     group: 'root'
   loop:
-    - { ip: '192.168.1.240', fqdn: 'coruscant.universe.local'}
     - { ip: '192.168.1.238', fqdn: 'gitea.mewissen.site'}
   when:
     - set_hosts is defined
diff --git a/roles/mailserver/tasks/configure_postfix.yml b/roles/mailserver/tasks/configure_postfix.yml
index 741f977..df85f0f 100644
--- a/roles/mailserver/tasks/configure_postfix.yml
+++ b/roles/mailserver/tasks/configure_postfix.yml
@@ -21,7 +21,7 @@
     - {key: "maillog_file", value: "/var/log/postfix.log"}                                                                                                
     - {key: "message_size_limit", value: "0"}                                                                                                             
     - {key: "milter_default_action", value: "accept"}                                                                                                     
-    - {key: "mydestination", value: "'localhost, kashyyyk, coruscant, $myhostname'"}                                                                                     
+    - {key: "mydestination", value: "'localhost, kashyyyk, $myhostname'"}                                                                                     
     - {key: "myhostname", value: "{{ hostname | default(ansible_hostname) }}"}                                                                                               
     - {key: "mynetworks", value: "'{{ mynetworks }}'"}                           
     - {key: "mynetworks_style", value: "subnet"}