diff --git a/files/etcbackup.sh b/files/etcbackup.sh
deleted file mode 100644
index 6ee8d1a..0000000
--- a/files/etcbackup.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-BACKUPPATH=/var/backups
-BACKUPFILE=etc.`hostname`.`date +%F`.tar.gz
-
-tar -czf $BACKUPPATH/$BACKUPFILE -C / etc
-chmod 0640 $BACKUPPATH/$BACKUPFILE
-
-find $BACKUPPATH -name "etc.*.tar.gz" -mtime +28 -delete
diff --git a/files/history.sh b/files/history.sh
deleted file mode 100644
index 7c97ebe..0000000
--- a/files/history.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-if [ "$BASH" ] && [ "$BASH" != "/bin/sh" ]; then
-    export HISTSIZE=2000
-    export HISTFILESIZE=2000
-    export HISTTIMEFORMAT='%F %T '
-    shopt -s histappend
-fi
diff --git a/files/postfix_master.cf.patch.redhat9 b/files/postfix_master.cf.patch.redhat9
new file mode 100644
index 0000000..5b2cbad
--- /dev/null
+++ b/files/postfix_master.cf.patch.redhat9
@@ -0,0 +1,66 @@
+--- master.cf.orig	2025-01-11 03:03:36.486240098 +0100
++++ master.cf	2025-01-11 03:08:16.675586910 +0100
+@@ -9,7 +9,8 @@
+ # service type  private unpriv  chroot  wakeup  maxproc command + args
+ #               (yes)   (yes)   (no)    (never) (100)
+ # ==========================================================================
+-smtp      inet  n       -       n       -       -       smtpd
++#smtp      inet  n       -       n       -       -       smtpd
++localhost:smtp inet n   -       n       -       -       smtpd
+ #smtp      inet  n       -       n       -       1       postscreen
+ #smtpd     pass  -       -       n       -       -       smtpd
+ #dnsblog   unix  -       -       n       -       0       dnsblog
+@@ -81,53 +82,3 @@
+ #maildrop  unix  -       n       n       -       -       pipe
+ #  flags=DRXhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
+ #
+-# ====================================================================
+-#
+-# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
+-#
+-# Specify in cyrus.conf:
+-#   lmtp    cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
+-#
+-# Specify in main.cf one or more of the following:
+-#  mailbox_transport = lmtp:inet:localhost
+-#  virtual_transport = lmtp:inet:localhost
+-#
+-# ====================================================================
+-#
+-# Cyrus 2.1.5 (Amos Gouaux)
+-# Also specify in main.cf: cyrus_destination_recipient_limit=1
+-#
+-#cyrus     unix  -       n       n       -       -       pipe
+-#  flags=DRX user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
+-#
+-# ====================================================================
+-#
+-# Old example of delivery via Cyrus.
+-#
+-#old-cyrus unix  -       n       n       -       -       pipe
+-#  flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
+-#
+-# ====================================================================
+-#
+-# See the Postfix UUCP_README file for configuration details.
+-#
+-#uucp      unix  -       n       n       -       -       pipe
+-#  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
+-#
+-# ====================================================================
+-#
+-# Other external delivery methods.
+-#
+-#ifmail    unix  -       n       n       -       -       pipe
+-#  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
+-#
+-#bsmtp     unix  -       n       n       -       -       pipe
+-#  flags=Fq. user=bsmtp argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
+-#
+-#scalemail-backend unix -       n       n       -       2       pipe
+-#  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
+-#  ${nexthop} ${user} ${extension}
+-#
+-#mailman   unix  -       n       n       -       -       pipe
+-#  flags=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
+-#  ${nexthop} ${user}
diff --git a/files/sysstat_minutely.patch b/files/sysstat_minutely.patch
deleted file mode 100644
index c5bef8f..0000000
--- a/files/sysstat_minutely.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- sysstat.ori 2017-09-18 00:57:17.685443243 +0200
-+++ sysstat     2017-09-18 00:57:32.997442999 +0200
-@@ -2,8 +2,8 @@
- # script is located
- PATH=/usr/lib/sysstat:/usr/sbin:/usr/sbin:/usr/bin:/sbin:/bin
- 
--# Activity reports every 10 minutes everyday
--5-55/10 * * * * root command -v debian-sa1 > /dev/null && debian-sa1 1 1
-+# Activity reports
-+* * * * * root command -v debian-sa1 > /dev/null && debian-sa1 1 1
- 
- # Additional run at 23:59 to rotate the statistics file
- 59 23 * * * root command -v debian-sa1 > /dev/null && debian-sa1 60 2
diff --git a/tasks/debian.yml b/tasks/debian.yml
new file mode 100644
index 0000000..9281a51
--- /dev/null
+++ b/tasks/debian.yml
@@ -0,0 +1,340 @@
+---
+##############################################################################
+# debian / ubuntu
+
+- name: apt.conf proxy
+  lineinfile:
+    dest: /etc/apt/apt.conf
+    regexp: '^Acquire::http::Proxy'
+    line: 'Acquire::http::Proxy "{{ aptproxy }}";'
+    create: yes
+  when:
+    - aptproxy is defined
+
+- name: remove nano
+  tags: apt
+  apt:
+    name: nano
+    state: absent
+    purge: yes
+
+- name: remove ubuntu cloud init, etc.
+  tags: apt
+  apt:
+    name:
+      - cloud-init
+      - cloud-guest-utils
+      - cloud-initramfs-dyn-netconf
+      - cloud-initramfs-copymods
+      - netplan.io
+    state: absent
+    purge: yes
+  when:
+    - ansible_distribution == "Ubuntu"
+
+- name: disable systemd-networkd-wait-online.service on ubuntu
+  service:
+    name: systemd-networkd-wait-online.service
+    enabled: false
+  when:
+    - ansible_distribution == "Ubuntu"
+
+- name: apt sources.list debian5
+  copy:
+    src: sources.list.lenny
+    dest: /etc/apt/sources.list
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "5"
+  tags: apt
+  
+- name: apt.conf allow-unauthenticated debian5
+  lineinfile:
+    dest: /etc/apt/apt.conf
+    line: 'APT::Get::AllowUnauthenticated "true";'
+    create: yes
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "5"
+  tags: apt
+
+- name: apt sources.list debian6
+  copy:
+    src: sources.list.squeeze
+    dest: /etc/apt/sources.list
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "6"
+  tags: apt
+
+- name: apt.conf check-valid-until debian6
+  lineinfile:
+    dest: /etc/apt/apt.conf
+    line: 'Acquire::Check-Valid-Until "0";'
+    create: yes
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "6"
+  tags: apt
+
+- name: apt sources.list debian8
+  tags: apt
+  copy:
+    src: sources.list.jessie
+    dest: /etc/apt/sources.list
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "8"
+
+- name: apt sources.list debian9
+  tags: apt
+  copy:
+    src: sources.list.stretch
+    dest: /etc/apt/sources.list
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "9"
+
+- name: apt sources.list debian10
+  tags: apt
+  copy:
+    src: sources.list.buster
+    dest: /etc/apt/sources.list
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "10"
+
+- name: apt sources.list debian11
+  tags: apt
+  copy:
+    src: sources.list.bullseye
+    dest: /etc/apt/sources.list
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version == "11")
+
+- name: apt sources.list debian12
+  tags: apt
+  copy:
+    src: sources.list.bookworm
+    dest: /etc/apt/sources.list
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() == 12)
+
+- name: apt.conf allow unauthenticated debian8
+  tags: apt
+  lineinfile:
+    dest: /etc/apt/apt.conf
+    regexp: '^APT::Get::AllowUnauthenticated'
+    line: 'APT::Get::AllowUnauthenticated "1";'
+    create: yes
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "8"
+
+- name: apt.conf allow expired debian8
+  tags: apt
+  lineinfile:
+    dest: /etc/apt/apt.conf
+    regexp: '^Acquire::Check-Valid-Until'
+    line: 'Acquire::Check-Valid-Until "0";'
+    create: yes
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "8"
+
+# ha veletlenul /dev/sdb lesz a bootdisk, elhasalna a grub-pc non-interacive
+# upgrade-je a kovetkezo lepesben
+- name: set debconf grub-pc/install_devices to /dev/sdb if needed
+  tags: apt
+  shell: 'mount | grep -q "/dev/sdb1 .* /boot" && (echo "set grub-pc/install_devices /dev/sdb" | debconf-communicate) || true'
+
+- name: apt update
+  tags: apt
+  apt:
+    update_cache: yes
+
+- name: install packages
+  tags: apt
+  apt:
+    name: aptitude
+    state: present
+
+- name: apt full-upgrade
+  tags: apt
+  apt:
+    upgrade: full
+
+- name: reset grub-pc/install_devices if changed 4 steps earlier
+  tags: apt
+  shell: 'mount | grep -q "/dev/sdb1 .* /boot" && (echo "set grub-pc/install_devices /dev/sda" | debconf-communicate) || true'
+
+- name: install common packages for all opsys versions
+  tags: apt
+  apt:
+    name: 
+      - bind9-host
+      - bzip2
+      - curl
+      - file
+      - git
+      - bsd-mailx
+      - iotop
+      - libpam-systemd
+      - locales
+      - lsof
+      - make
+      - mc
+      - mtr-tiny
+      - ngrep
+      - openssl
+      - parted
+      - patch
+      - postfix
+      - psmisc
+      - pwgen
+      - rename
+      - rsync
+      - screen
+      - strace
+      - subversion
+      - sysstat
+      - tcpdump
+      - telnet
+      - unzip
+      - vim
+      - w3m
+      - xz-utils
+      - zip
+      - libfile-slurp-perl
+      - libjson-perl
+      - net-tools
+      - man
+      - ifupdown
+      - mosh
+      - python3-redis
+    state: present
+
+- name: install packages for debian0-11 ubuntu20
+  tags: apt
+  apt:
+    name:
+      - ntp
+      - ntpdate
+      - mlocate
+    state: present
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() <= 11) or
+      (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() == 20)
+
+- name: install packages for debian0-10
+  tags: apt
+  apt:
+    name:
+      - dnsutils
+    state: present
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version|int() <= 10
+
+- name: install packages for debian11-99 ubuntu20-99
+  tags: apt
+  apt:
+    name:
+      - bind9-dnsutils
+      - rsyslog
+      - plocate
+    state: present
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 11) or
+      (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 20)
+
+- name: install packages for debian12-99 ubuntu22-99
+  tags: apt
+  apt:
+    name:
+      - ntpsec
+      - ntpsec-ntpdate
+    state: present
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 12) or
+      (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 22)
+
+- name: install packages for ubuntu22-99
+  tags: apt
+  apt:
+    name:
+      - iputils-ping
+    state: present
+  when:
+    - (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 22)
+
+- name: open-vm-tools
+  apt:
+    name: open-vm-tools
+    state: present
+    purge: yes
+  tags:
+    - vmware
+    - apt
+
+- name: copy pf6 package
+  tags: pf6
+  copy:
+    src: pf6_1_all.deb
+    dest: /tmp
+
+- name: install pf6 package
+  tags: pf6
+  apt:
+    deb: /tmp/pf6_1_all.deb
+
+- name: grub defaults, debian8
+  tags: grub
+  patch:
+    src: default_grub.patch.jessie
+    dest: /etc/default/grub
+  when:
+    - ansible_distribution == "Debian"
+    - ansible_distribution_major_version == "8"
+
+- name: grub defaults, debian9-11
+  tags: grub
+  patch:
+    src: default_grub.patch.stretch
+    dest: /etc/default/grub
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 9 and ansible_distribution_major_version|int() < 12)
+
+- name: grub defaults, debian12-99
+  tags: grub
+  patch:
+    src: default_grub.patch.bookworm
+    dest: /etc/default/grub
+  when:
+    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 12)
+
+- name: grub defaults, ubuntu20-99
+  tags: grub
+  lineinfile:
+    path: /etc/default/grub
+    regexp: "^GRUB_CMDLINE_LINUX="
+    line: 'GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0"'
+  when:
+    - (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 20)
+
+- name: update-grub
+  tags: grub
+  command: update-grub
+
+- name: edit locale.gen
+  tags: locales
+  replace:
+    dest: /etc/locale.gen
+    regexp: '^#\s*(hu_HU|en_US)'
+    replace: '\1'
+
+- name: run locale-gen
+  tags: locales
+  command: locale-gen
+
+# vim: set tabstop=2 shiftwidth=2 expandtab smarttab:
diff --git a/tasks/main.yml b/tasks/main.yml
index 1edfe45..0db1332 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -9,279 +9,18 @@
   shell: 'mv /tmp/ /old-tmp; mkdir /tmp; mount /tmp; mv /old-tmp /tmp'
   when: fstab_tmp.changed
 
-- name: apt.conf proxy
-  lineinfile:
-    dest: /etc/apt/apt.conf
-    regexp: '^Acquire::http::Proxy'
-    line: 'Acquire::http::Proxy "{{ aptproxy }}";'
-    create: yes
-  when:
-    - aptproxy is defined
+##############################################################################
+# debian-ubuntu /redhat
 
-- name: remove nano
-  tags: apt
-  apt:
-    name: nano
-    state: absent
-    purge: yes
+- name: include debian/ubuntu specific
+  include_tasks: debian.yml
+  when: (ansible_distribution == "Debian" or ansible_distribution == "Ubuntu")
 
-- name: remove ubuntu cloud init, etc.
-  tags: apt
-  apt:
-    name:
-      - cloud-init
-      - cloud-guest-utils
-      - cloud-initramfs-dyn-netconf
-      - cloud-initramfs-copymods
-      - netplan.io
-    state: absent
-    purge: yes
-  when:
-    - ansible_distribution == "Ubuntu"
+- name: include redhat specific
+  include_tasks: redhat.yml
+  when: ansible_distribution == "RedHat"
 
-- name: disable systemd-networkd-wait-online.service on ubuntu
-  service:
-    name: systemd-networkd-wait-online.service
-    enabled: false
-  when:
-    - ansible_distribution == "Ubuntu"
-
-- name: apt sources.list debian5
-  copy:
-    src: sources.list.lenny
-    dest: /etc/apt/sources.list
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "5"
-  tags: apt
-  
-- name: apt.conf allow-unauthenticated debian5
-  lineinfile:
-    dest: /etc/apt/apt.conf
-    line: 'APT::Get::AllowUnauthenticated "true";'
-    create: yes
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "5"
-  tags: apt
-
-- name: apt sources.list debian6
-  copy:
-    src: sources.list.squeeze
-    dest: /etc/apt/sources.list
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "6"
-  tags: apt
-
-- name: apt.conf check-valid-until debian6
-  lineinfile:
-    dest: /etc/apt/apt.conf
-    line: 'Acquire::Check-Valid-Until "0";'
-    create: yes
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "6"
-  tags: apt
-
-- name: apt sources.list debian8
-  tags: apt
-  copy:
-    src: sources.list.jessie
-    dest: /etc/apt/sources.list
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "8"
-
-- name: apt sources.list debian9
-  tags: apt
-  copy:
-    src: sources.list.stretch
-    dest: /etc/apt/sources.list
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "9"
-
-- name: apt sources.list debian10
-  tags: apt
-  copy:
-    src: sources.list.buster
-    dest: /etc/apt/sources.list
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "10"
-
-- name: apt sources.list debian11
-  tags: apt
-  copy:
-    src: sources.list.bullseye
-    dest: /etc/apt/sources.list
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version == "11")
-
-- name: apt sources.list debian12
-  tags: apt
-  copy:
-    src: sources.list.bookworm
-    dest: /etc/apt/sources.list
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() == 12)
-
-- name: apt.conf allow unauthenticated debian8
-  tags: apt
-  lineinfile:
-    dest: /etc/apt/apt.conf
-    regexp: '^APT::Get::AllowUnauthenticated'
-    line: 'APT::Get::AllowUnauthenticated "1";'
-    create: yes
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "8"
-
-- name: apt.conf allow expired debian8
-  tags: apt
-  lineinfile:
-    dest: /etc/apt/apt.conf
-    regexp: '^Acquire::Check-Valid-Until'
-    line: 'Acquire::Check-Valid-Until "0";'
-    create: yes
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "8"
-
-# ha veletlenul /dev/sdb lesz a bootdisk, elhasalna a grub-pc non-interacive
-# upgrade-je a kovetkezo lepesben
-- name: set debconf grub-pc/install_devices to /dev/sdb if needed
-  tags: apt
-  shell: 'mount | grep -q "/dev/sdb1 .* /boot" && (echo "set grub-pc/install_devices /dev/sdb" | debconf-communicate) || true'
-
-- name: apt update
-  tags: apt
-  apt:
-    update_cache: yes
-
-- name: install packages
-  tags: apt
-  apt:
-    name: aptitude
-    state: present
-
-- name: apt full-upgrade
-  tags: apt
-  apt:
-    upgrade: full
-
-- name: reset grub-pc/install_devices if changed 4 steps earlier
-  tags: apt
-  shell: 'mount | grep -q "/dev/sdb1 .* /boot" && (echo "set grub-pc/install_devices /dev/sda" | debconf-communicate) || true'
-
-- name: install common packages for all opsys versions
-  tags: apt
-  apt:
-    name: 
-      - bind9-host
-      - bzip2
-      - curl
-      - file
-      - git
-      - bsd-mailx
-      - iotop
-      - libpam-systemd
-      - locales
-      - lsof
-      - make
-      - mc
-      - mtr-tiny
-      - ngrep
-      - openssl
-      - parted
-      - patch
-      - postfix
-      - psmisc
-      - pwgen
-      - rename
-      - rsync
-      - screen
-      - strace
-      - subversion
-      - sysstat
-      - tcpdump
-      - telnet
-      - unzip
-      - vim
-      - w3m
-      - xz-utils
-      - zip
-      - libfile-slurp-perl
-      - libjson-perl
-      - net-tools
-      - man
-      - ifupdown
-      - mosh
-    state: present
-
-- name: install packages for debian0-11 ubuntu20
-  tags: apt
-  apt:
-    name:
-      - ntp
-      - ntpdate
-      - mlocate
-    state: present
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() <= 11) or
-      (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() == 20)
-
-- name: install packages for debian0-10
-  tags: apt
-  apt:
-    name:
-      - dnsutils
-    state: present
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version|int() <= 10
-
-- name: install packages for debian11-99 ubuntu20-99
-  tags: apt
-  apt:
-    name:
-      - bind9-dnsutils
-      - rsyslog
-      - plocate
-    state: present
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 11) or
-      (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 20)
-
-- name: install packages for debian12-99 ubuntu22-99
-  tags: apt
-  apt:
-    name:
-      - ntpsec
-      - ntpsec-ntpdate
-    state: present
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 12) or
-      (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 22)
-
-- name: install packages for ubuntu22-99
-  tags: apt
-  apt:
-    name:
-      - iputils-ping
-    state: present
-  when:
-    - (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 22)
-
-- name: open-vm-tools
-  apt:
-    name: open-vm-tools
-    state: present
-    purge: yes
-  tags:
-    - vmware
-    - apt
+##############################################################################
 
 - name: remove install user
   user:
@@ -294,90 +33,12 @@
     path: /home/install
     state: absent
 
-- name: "remove our key from root's authorized_keys"
+- name: "remove our key from root's authorized_keys (will use ansible user in future)"
   authorized_key:
     user: root
     state: absent
     key: "{{ mgmt_ssh_key }}"
 
-- name: "disable sshd X11Forwarding"
-  copy:
-    content: "X11Forwarding no"
-    dest: /etc/ssh/sshd_config.d/x11forwarding.conf
-
-- name: copy pf6 package
-  tags: pf6
-  copy:
-    src: pf6_1_all.deb
-    dest: /tmp
-
-- name: install pf6 package
-  tags: pf6
-  apt:
-    deb: /tmp/pf6_1_all.deb
-
-- name: sysstat enable
-  tags: sysstat
-  lineinfile:
-    dest: /etc/default/sysstat
-    regexp: "^ENABLED="
-    line: 'ENABLED="true"'
-
-- name: sysstat every minute
-  tags: sysstat
-  patch:
-    src: sysstat_minutely.patch
-    dest: /etc/cron.d/sysstat
-
-- name: grub defaults, debian8
-  tags: grub
-  patch:
-    src: default_grub.patch.jessie
-    dest: /etc/default/grub
-  when:
-    - ansible_distribution == "Debian"
-    - ansible_distribution_major_version == "8"
-
-- name: grub defaults, debian9-11
-  tags: grub
-  patch:
-    src: default_grub.patch.stretch
-    dest: /etc/default/grub
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 9 and ansible_distribution_major_version|int() < 12)
-
-- name: grub defaults, debian12-99
-  tags: grub
-  patch:
-    src: default_grub.patch.bookworm
-    dest: /etc/default/grub
-  when:
-    - (ansible_distribution == "Debian" and ansible_distribution_major_version|int() >= 12)
-
-- name: grub defaults, ubuntu20-99
-  tags: grub
-  lineinfile:
-    path: /etc/default/grub
-    regexp: "^GRUB_CMDLINE_LINUX="
-    line: 'GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0"'
-  when:
-    - (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 20)
-
-- name: update-grub
-  tags: grub
-  command: update-grub
-
-- name: edit locale.gen
-  tags: locales
-  replace:
-    dest: /etc/locale.gen
-    regexp: '^#\s*(hu_HU|en_US)'
-    replace: '\1'
-
-- name: run locale-gen
-  tags: locales
-  command: locale-gen
-
 - name: find ntp.conf
   tags: ntp
   command: "find /etc -name ntp.conf"
@@ -462,6 +123,40 @@
   when:
     - (ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int() >= 22)
 
+- name: postfix master.cf redhat
+  tags: postfix
+  patch:
+    src: postfix_master.cf.patch.redhat9
+    dest: /etc/postfix/master.cf
+  when:
+    - ansible_distribution == "RedHat"
+
+- name: enable postfix service on redhat
+  tags: postfix
+  systemd_service:
+    name: postfix
+    enabled: yes
+  when:
+    - ansible_distribution == "RedHat"
+
+- name: postfix inet_protocols ipv4 (redhat)
+  tags: postfix
+  lineinfile:
+    dest: /etc/postfix/main.cf
+    regexp: '^inet_protocols\s'
+    line: "inet_protocols = ipv4"
+  when:
+    - ansible_distribution == "RedHat"
+
+- name: postfix myhostname (redhat)
+  tags: postfix
+  lineinfile:
+    dest: /etc/postfix/main.cf
+    regexp: '^myhostname\s'
+    line: "myhostname = {{ hostname }}.{{ domain }}"
+  when:
+    - ansible_distribution == "RedHat"
+
 - name: postfix relayhost
   tags: postfix
   lineinfile:
@@ -515,24 +210,11 @@
     mode: 0644
     content: "export VTYSH_PAGER='less -F'\n"
 
-- name: bash history
-  copy:
-    src: history.sh
-    dest: /etc/profile.d/history.sh
-    mode: 0644
-
-- name: etcbackup
-  copy:
-    src: etcbackup.sh
-    dest: /usr/local/sbin/etcbackup.sh
-    mode: 0755
-
-- name: etcbackup cron
+- name: set vm swappiness
   lineinfile:
-    dest: /etc/cron.d/etcbackup
-    regexp: "/usr/local/sbin/etcbackup.sh"
-    line: "50 22   * * *   root   /usr/local/sbin/etcbackup.sh"
+    dest: /etc/sysctl.d/swappiness.conf
+    regexp: '^vm.swappiness\s='
+    line: "vm.swappiness = 2"
     create: yes
 
-
 # vim: set tabstop=2 shiftwidth=2 expandtab smarttab:
diff --git a/tasks/redhat.yml b/tasks/redhat.yml
new file mode 100644
index 0000000..0927b1e
--- /dev/null
+++ b/tasks/redhat.yml
@@ -0,0 +1,83 @@
+---
+##############################################################################
+# redhat
+
+- name: dnf update
+  tags: dnf
+  dnf:
+    state: latest
+    update_only: yes
+
+- name: install packages
+  tags: dnf
+  dnf:
+    name: 
+      - bind-utils
+      - bzip2
+      - git
+      - s-nail
+      - iotop
+      - lsof
+      - make
+      - mc
+      - mtr
+      - patch
+      - postfix
+      - rsync
+      - strace
+      - sysstat
+      - tcpdump
+      - telnet
+      - zip
+      - unzip
+      - vim-enhanced
+      - perl-File-Slurp
+      - perl-JSON
+      - perl-English
+      - net-tools
+      - mlocate
+      - glibc-langpack-hu
+      - setools-console
+      - setroubleshoot-server
+    state: present
+
+- name: subscription-manager repo change for epel install
+  tags: dnf
+  shell: "subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms"
+
+- name: install epel-release
+  tags: dnf
+  dnf:
+    name: https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
+    disable_gpg_check: yes
+
+- name: install packages, 2nd round
+  tags: dnf
+  dnf:
+    name: 
+      - ntpsec
+      - ngrep
+      - pwgen
+      - screen
+      - mosh
+      - w3m
+      - prename
+      - python3-redis
+
+- name: enable ntpd service
+  systemd_service:
+    name: ntpd
+    enabled: true
+
+- name: remove motd.d/insights-client
+  file:
+    path: /etc/motd.d/insights-client
+    state: absent
+
+- name: disable firewalld service
+  systemd_service:
+    name: firewalld
+    state: stopped
+    enabled: false
+
+# vim: set tabstop=2 shiftwidth=2 expandtab smarttab: