debian.ansible.basics/basics.yml

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---
- name: Basic Debian Linux Setup
hosts: all
tasks:
#- name: Print all available facts
# ansible.builtin.debug:
# var: ansible_facts
- name: Install Basic Packages
apt:
name:
- dhcpcd5
- hd-idle
- psutils
- psmisc
- procps
- htop
- iotop
- sysstat
- jnettop
- strace
- vim
- git
- man-db
- net-tools
- tmux
- netcat
- ethtool
- debconf-utils
- iputils-ping
- lsof
- inotify-tools
- rsync
- dos2unix
- locales
- iproute2
- logrotate
- curl
- moreutils
- ffmpeg
- mediainfo
- smartmontools
- telnet
- libstring-approx-perl
- postfix
- zip
- nmap
- whois
- libfile-readbackwards-perl
- libcrypt-cbc-perl
- libcrypt-des-perl
- at
- pwgen
- certbot
- btrfs-progs
- ufw
- jq
- btrfsmaintenance
- cifs-utils
- apt-transport-https
- sudo
- golang
- make
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- openssh-server
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update_cache: yes
install_recommends: no
- name: add dhcpcd to startup
command: systemctl enable dhcpcd
args:
creates: /etc/systemd/system/multi-user.target.wants/dhcpcd.service
- name: No DHCPcd for internal interfaces
ansible.builtin.lineinfile:
path: /etc/dhcpcd.conf
line: denyinterfaces docker0 virbr0 tornet0 veth* br*
- name: Disable all Network-config but source interfaces.d in /etc/network/interfaces because dhcpcd will do the job
replace:
path: /etc/network/interfaces
regexp: '(^iface .*)'
replace: '#\1'
- name: Disable all Network-config but source interfaces.d in /etc/network/interfaces because dhcpcd will do the job
replace:
path: /etc/network/interfaces
regexp: '(^allow-hotplug .*)'
replace: '#\1'
- name: Disable all Network-config but source interfaces.d in /etc/network/interfaces because dhcpcd will do the job
replace:
path: /etc/network/interfaces
regexp: '(^auto .*)'
replace: '#\1'
- name: Set a hostname
ansible.builtin.hostname:
name: "{{inventory_hostname}}"
- name: Set timezone to Europe/Berlin
community.general.timezone:
name: Europe/Berlin
# - name: Create {{ ansible_facts['hostname'] }}adm User
# ansible.builtin.user:
# name: "{{ ansible_facts['hostname'] }}adm"
# comment: "{{ ansible_facts['hostname'] }}-Admin"
# uid: 1000
# group: users
# password: $6$Zqar9GCRvbVgPlZ/$L2xAMekMjE5PXuWY0WbmUcugJkqD14O6/cgC02O0hT5vOdiDj5Pcp6FU/Zz.rCkWKVSPsmTc2OtXAmQIHLc1V1
- name: Allow the hostnameadm User all sudo commands
community.general.sudoers:
name: ALL
state: present
user: "{{ ansible_facts['hostname'] }}adm"
commands: ALL
- name: Remove root-Password
user:
name: root
password: '*'
- name: German keyboard layout
ansible.builtin.lineinfile:
path: /etc/default/keyboard
regexp: '^XKBLAYOUT=".+$'
line: 'XKBLAYOUT="de"'
backup: yes
notify: setupcon
- name: nodeadkeys
ansible.builtin.lineinfile:
path: /etc/default/keyboard
regexp: '^XKBVARIANT=".+$'
line: 'XKBVARIANT="nodeadkeys"'
backup: yes
notify: setupcon
- name: Prefer ipv4 over ipv6 to avoid problems and waiting times
ansible.builtin.lineinfile:
path: /etc/gai.conf
regexp: '^#precedence ::ffff:0:0/96 100'
line: "precedence ::ffff:0:0/96 100 # CHANGED BY ANSIBLE"
backup: yes
- name: Ensure en_US.UTF-8 locale exists
community.general.locale_gen:
name: en_US.UTF-8
state: present
- name: Ensure en_GB.UTF-8 locale exists
community.general.locale_gen:
name: en_GB.UTF-8
state: present
- name: Ensure de_DE.UTF-8 locale exists
community.general.locale_gen:
name: de_DE.UTF-8
state: present
notify: localectl
- name: SSHD hardening
blockinfile:
path: /etc/ssh/sshd_config.d/hardening.conf
mode: "0444"
owner: root
group: root
create: yes
insertbefore: BOF # Beginning of the file
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
Port 22
Port 33
PermitRootLogin without-password
PubkeyAuthentication yes
X11Forwarding no
AllowAgentForwarding no
AllowTcpForwarding yes
Subsystem sftp internal-sftp -f AUTH -l INFO -u 0007
## Ciphers Check https://sshcheck.com/server/{{inventory_hostname}}/
# nmap -p22 -n -sV --script ssh2-enum-algos localhost
KexAlgorithms curve25519-sha256@libssh.org
HostKeyAlgorithms ssh-ed25519
Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com
IgnoreRhosts yes
LogLevel VERBOSE
AddressFamily any
backup: yes
validate: /usr/sbin/sshd -T -f %s
notify:
- Restart sshd
- name: Disable external sftp-Subsystem
replace:
path: /etc/ssh/sshd_config
regexp: '(^Subsystem.*sftp.*)'
replace: '#\1'
validate: /usr/sbin/sshd -T -f %s
backup: yes
notify:
- Restart sshd
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- name: Create .ssh dir
ansible.builtin.file:
path: /root/.ssh
owner: root
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group: root
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state: directory
mode: '0550'
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- name: Generate an OpenSSH keypair ed25519
community.crypto.openssh_keypair:
path: /root/.ssh/id_ed25519
type: ed25519
- ansible.posix.sysctl:
name: vm.swappiness
value: '5'
state: present
- name: shell profile
blockinfile:
path: /etc/profile.d/settings-from-ansible.sh
create: yes
mode: "0444"
owner: root
group: root
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
if ${use_color} ; then
if [[ ${EUID} == 0 ]] ; then
PS1='\[\033[01;31m\]\h\[\033[01;34m\] \w \$\[\033[00m\] '
else
PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
fi
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export EDITOR="/usr/bin/vim"
export HISTSIZE=
export HISTFILESIZE=
export HISTTIMEFORMAT="[%F %T] "
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if [ -f /etc/debian_version ]
then
export DEBIAN_FRONTEND='noninteractive'
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export LANG="en_US.UTF-8"
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alias ls='ls --color=auto'
alias grep='grep --colour=auto'
alias egrep='egrep --colour=auto'
alias fgrep='fgrep --colour=auto'
fi
else
# show root@ when we don't have colors
PS1+='\u@\h \w \$'
fi
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# execute for linuxmint
if [ -d /etc/linuxmint ]
then
for rc in ~/.bashrc /etc/skel/.bashrc
do
grep -q /etc/profile.d/settings-from-ansible.sh $rc || echo '. /etc/profile.d/settings-from-ansible.sh' >> $rc
done
fi
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backup: yes
validate: /bin/bash -n %s
- name: vim settings
blockinfile:
path: /etc/vim/vimrc.local
mode: "0444"
owner: root
group: root
create: yes
marker: "\" {mark} ANSIBLE MANAGED BLOCK"
block: |
:syntax on
let g:skip_defaults_vim = 1
set encoding=utf-8
syntax match nonascii "[^[:alnum:][:punct:][:space:]]/"
highlight nonascii guibg=Red ctermbg=2
backup: yes
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#- name: gaboshlib.include
# copy:
# src: configs/etc/bash
# dest: /etc/
# owner: root
# group: root
# mode: "0444"
# directory_mode: "0555"
# backup: yes
# validate: /bin/bash -n %s
- name: gaboshlib from git
ansible.builtin.git:
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repo: 'https://gitea.ds9.dedyn.io/olli/gaboshlib.git'
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dest: /etc/bash
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force: yes
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- name: systemd-journald settings
blockinfile:
path: /etc/systemd/journald.conf.d/journald.local.conf
create: yes
mode: "0444"
owner: root
group: root
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
[Journal]
Storage=persistent
SystemMaxUse=30M
ForwardToSyslog=yes
backup: yes
notify:
- Restart journald
- name: /etc/rsyslog.d/00-services-remote.conf
blockinfile:
path: /etc/rsyslog.d/00-services-remote.conf
create: yes
mode: "0444"
owner: root
group: root
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
# Listen for remote Logging (UDP)
module(load="imudp")
input(type="imudp" port="514")
# Hosts
if $hostname startswith '192.168.1.1' and $msg contains 'User admin login from 192.168.1.2 successful' then stop
if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'wdGetDidSendCredentials not implemented' and $programname contains 'citrix-wfica' then stop
if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'CGPrecv: socket 0x' and $programname contains 'citrix-wfica' then stop
if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'doEncryptData inbuffersize: ' and $programname contains 'citrix-wfica' then stop
if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'SSLPutDataFn inbuffersize: ' and $programname contains 'citrix-wfica' then stop
if $hostname != '{{ ansible_facts['hostname'] }}' and $msg contains 'SRC=192.168.' and $programname contains 'kernel' then stop
if $hostname startswith '192.168.1.1' then /var/log/zyxel.log
if $hostname startswith '192.168.1.1' then stop
if $hostname startswith 'raspberry-' then /var/log/Raspberrys.log
if $hostname startswith 'raspberry-' then stop
if $hostname startswith 'router-' then /var/log/router.log
if $hostname startswith 'router-' then stop
# Auth success (for share-auth 2FA)
#if $programname == 'nextcloud-audit' and $msg contains 'Login successful:' then /var/log/auth-success.log
#if $programname == 'imaps' and $msg contains 'TLS User logged in' then /var/log/auth-success.log
if $hostname == 'xgabosh' then /var/log/xgabosh.log
if $hostname == 'xgabosh' then stop
if $hostname != '{{ ansible_facts['hostname'] }}' and $hostname != 'share' and $hostname != 'backup-chroot' then /var/log/GTC-Hosts.log
if $hostname != '{{ ansible_facts['hostname'] }}' and $hostname != 'share' and $hostname != 'backup-chroot' then stop
backup: yes
notify:
- Restart rsyslog
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- name: /etc/rsyslog.d/01-services-local.conf
blockinfile:
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path: /etc/rsyslog.d/01-services-local.conf
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create: yes
mode: "0444"
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owner: root
group: root
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marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
# Additional Socket from chroot
input(type="imuxsock" HostName="vpn-share" Socket="/data-crypt/dev/log" CreatePath="on")
input(type="imuxsock" HostName="share" Socket="/data-crypt/share/dev/log" CreatePath="on")
# Auth success (for share-auth 2FA)
if $programname == 'nextcloud-audit' and $msg contains 'Login successful:' then /var/log/auth-success.log
if $programname == 'imaps' and $msg contains 'TLS User logged in' then /var/log/auth-success.log
# Nextcloud
if $msg contains '","level":0,"time":"' and $programname contains 'nextcloud' then stop
if $msg contains '","level":1,"time":"' and $programname contains 'nextcloud' then stop
if $programname == 'nextcloud' then /var/log/nextcloud.log
if $programname == 'nextcloud' then stop
if $programname == 'nextcloud-audit' then /var/log/nextcloud.log
if $programname == 'nextcloud-audit' then stop
if $programname == 'nextcloud-test' then /var/log/nextcloud-test.log
if $programname == 'nextcloud-test' then stop
if $programname == 'nextcloud-test-audit' then /var/log/nextcloud-test.log
if $programname == 'nextcloud-test-audit' then stop
# USV
if $programname == 'apcupsd' and $syslogseverity <= '6' then /var/log/usv-apcupsd.log
if $programname == 'apcupsd' then stop
# SMART HDD Überwachung
if $programname == 'smartd' and $syslogseverity <= '6' then /var/log/smartd.log
if $programname == 'smartd' then stop
# SSH TUNNEL
if $programname == 'sshd-tunnel' and $syslogseverity <= '6' then /var/log/sshd-tunnel.log
if $programname == 'sshd-tunnel' then stop
# SSH SFTP
if $programname == 'sshd-sftp' and $syslogseverity <= '6' then /var/log/sshd-sftp.log
if $programname == 'sshd-sftp' then stop
# SSH Share
if $programname == 'sshd' and $syslogfacility-text == 'local7' then /var/log/sshd-share.log
if $programname == 'sshd' and $syslogfacility-text == 'local7' then stop
# firewall
if $programname == 'kernel' and $msg contains 'PROTO' then /var/log/firewall.log
if $programname == 'kernel' and $msg contains 'PROTO' then stop
# SSH rsyncbackup
if $programname == 'sshd-rsyncbackup' and $syslogseverity <= '6' then /var/log/sshd-rsyncbackup.log
if $programname == 'sshd-rsyncbackup' then stop
# SSH
if $programname == 'sshd' and $syslogseverity <= '6' then /var/log/sshd.log
if $programname == 'sshd' then stop
# SFTP
if $programname == 'internal-sftp' and $msg contains 'sent status ' then stop
if $programname == 'internal-sftp' and $msg contains 'lstat name ' then stop
if $programname == 'internal-sftp' and $msg contains '/.kodi/' then stop
if $programname == 'internal-sftp' then /var/log/sftpaccess.log
if $programname == 'internal-sftp' then stop
# Cron
if $programname == 'cron' and $syslogseverity <= '6' then /var/log/cron.log
if $programname == 'cron' then stop
if $programname == 'run-crons' and $syslogseverity <= '6' then /var/log/cron.log
if $programname == 'run-crons' then stop
if $programname == 'crontab' and $syslogseverity <= '6' then /var/log/cron.log
if $programname == 'crontab' then stop
# rsync
if $programname == 'rsyncd' and $syslogseverity <= '6' then /var/log/rsyncd.log
if $programname == 'rsyncd' then stop
# DNS
if $programname == 'named' and $msg contains ' 127.0.0.1#' then stop
if $programname == 'named' and $msg contains ': sending notifies' then stop
if $programname == 'named' and $msg contains ' loaded serial ' then stop
if $programname == 'named' and $syslogseverity <= '6' then /var/log/bind.log
if $programname == 'named' then stop
# DHCP
if $programname == 'dhcpd' and $syslogseverity <= '6' then /var/log/dhcpd.log
if $programname == 'dhcpd' then stop
# NFS
if $programname == 'rpc.mountd' and $syslogseverity <= '6' then /var/log/nfs.log
if $programname == 'rpc.mountd' then stop
if $programname == 'rpc.idmapd' and $syslogseverity <= '6' then /var/log/nfs.log
if $programname == 'rpc.idmapd' then stop
if $programname == 'rpc.statd' and $syslogseverity <= '6' then /var/log/nfs.log
if $programname == 'rpc.statd' then stop
if $programname == 'rpcbind' and $syslogseverity <= '6' then /var/log/nfs.log
if $programname == 'rpcbind' then stop
# NTP
if $programname == 'ntpd' and $syslogseverity <= '6' then /var/log/ntp.log
if $programname == 'ntpd' then stop
if $programname == 'ntpdate' and $syslogseverity <= '6' then /var/log/ntp.log
if $programname == 'ntpdate' then stop
# Mail
if $msg contains 'auxpropfunc error invalid parameter supplied' then stop
if $msg contains '_sasl_plugin_load failed on sasl_auxprop_plug_init for plugin: ldapdb' then stop
if $msg contains 'seen_db: user ' then stop
if $msg contains 'SQUAT ' then stop
if $msg contains 'indexing mailbox ' then stop
if $msg contains 'fetching user_deny.db' then stop
if $programname == 'lmtpunix' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'lmtpunix' then stop
if $programname == 'imap' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'imap' then stop
if $programname == 'imaps' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'imaps' then stop
if $programname == 'master' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'master' then stop
if $programname == 'ctl_cyrusdb' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'ctl_cyrusdb' then stop
if $programname == 'pop3' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'pop3' then stop
if $programname == 'pop3s' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'pop3s' then stop
if $programname == 'squatter' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'squatter' then stop
if $programname == 'tls_prune' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'tls_prune' then stop
if $programname == 'cyr_expire' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'cyr_expire' then stop
if $programname == 'sieve' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'sieve' then stop
if $programname == 'deliver' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'deliver' then stop
if $programname == 'ipurge' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'ipurge' then stop
if $programname == 'saslauthd' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'saslauthd' then stop
if $programname == 'amavis' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'amavis' then stop
if $programname == 'clamd' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'clamd' then stop
if $programname == 'freshclam' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'freshclam' then stop
if $programname == 'fetchmail' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'fetchmail' then stop
if $programname == 'spamd' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'spamd' then stop
if $programname contains 'postfix' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname contains 'postfix' then stop
if $programname == 'reconstruct' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'reconstruct' then stop
if $programname == 'policyd-spf' and $syslogseverity <= '6' then /var/log/maillog.log
if $programname == 'policyd-spf' then stop
# slapd
if $programname == 'slapd' then /var/log/slapd.log
if $programname == 'slapd' then stop
# PulseAudio
if $programname == 'pulseaudio' and $msg contains 'Denied access to client with invalid authentication data' then stop
if $programname == 'pulseaudio' then /var/log/pulseaudio.log
if $programname == 'pulseaudio' then stop
# hostapd
if $programname == 'hostapd' then /var/log/hostapd.log
if $programname == 'hostapd' then stop
# nscd
if $programname == 'nscd' then /var/log/nscd.log
if $programname == 'nscd' then stop
# arpwatch
if $programname == 'arpwatch' then /var/log/arpwatch.log
if $programname == 'arpwatch' then stop
# X
if $programname == 'mate-session' then /var/log/x.log
if $programname == 'mate-session' then stop
if $programname == 'Tor' then /var/log/x.log
if $programname == 'Tor' then stop
# xinetd
if $programname == 'xinetd' then /var/log/xinetd.log
if $programname == 'xinetd' then stop
# in.tftp
if $programname == 'in.tftpd' then /var/log/in.tftpd.log
if $programname == 'in.tftpd' then stop
# pppd
if $programname == 'dhcpcd' then /var/log/pppd.log
if $programname == 'dhcpcd' then stop
if $programname == 'radvd' then /var/log/pppd.log
if $programname == 'radvd' then stop
if $programname == 'pppd' then /var/log/pppd.log
if $programname == 'pppd' then stop
# wlan
if $programname == 'wpa_cli' then /var/log/messages
if $programname == 'wpa_cli' then stop
# cups
if $programname == 'cupsd' then /var/log/cupsd.log
if $programname == 'cupsd' then stop
# bash scripts using g-lib
if $programname contains 'g_bash-script' then /var/log/g_bash-scripts.log
if $programname contains 'g_bash-script' then stop
# Rest in messages
*.* /var/log/messages
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backup: yes
notify:
- Restart rsyslog
- name: hd-idle for spinning down disks after XXX seconds idle
blockinfile:
path: /etc/default/hd-idle
create: yes
mode: "0444"
owner: root
group: root
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
HD_IDLE_OPTS="-i 300 -l /var/log/hd-idle.log"
backup: yes
notify:
- Restart hd-idle
- name: /etc/default/btrfsmaintenance
blockinfile:
path: /etc/default/btrfsmaintenance
mode: "0444"
owner: root
group: root
create: yes
insertbefore: EOF
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
BTRFS_LOG_OUTPUT="syslog"
BTRFS_BALANCE_MOUNTPOINTS="auto"
BTRFS_BALANCE_PERIOD="monthly"
BTRFS_SCRUB_MOUNTPOINTS="auto"
BTRFS_SCRUB_PERIOD="monthly"
backup: yes
- name: /etc/logrotate.conf (weekly->daily)
ansible.builtin.lineinfile:
path: /etc/logrotate.conf
regexp: '^weekly$'
line: 'daily'
backup: yes
- name: /etc/logrotate.d/apache2 (remove delaycompress)
ansible.builtin.lineinfile:
path: /etc/logrotate.d/apache2
regexp: '.*delaycompress$'
state: absent
- name: /etc/logrotate.d/00-local
blockinfile:
path: /etc/logrotate.d/00-local
mode: "0444"
owner: root
group: root
create: yes
marker: "# {mark} ANSIBLE MANAGED BLOCK"
block: |
/var/log/dmesgcron
/var/log/messages
/var/log/*.log
{
rotate 7
daily
missingok
notifempty
copytruncate
compress
postrotate
/usr/lib/rsyslog/rsyslog-rotate
endscript
}
- name: Remove logrotates
ansible.builtin.file:
path: /etc/logrotate.d/alternatives
state: absent
- name: Remove logrotates
ansible.builtin.file:
path: /etc/logrotate.d/dpkg
state: absent
- name: Remove logrotates
ansible.builtin.file:
path: /etc/logrotate.d/rsyslog
state: absent
handlers:
- name: setupcon
ansible.builtin.shell: setupcon
- name: localectl
ansible.builtin.shell: localectl set-locale LANG=de_DE.UTF-8
- name: Restart sshd
service:
name: sshd
state: restarted
- name: Restart journald
service:
name: systemd-journald
state: restarted
- name: Restart rsyslog
service:
name: rsyslog
state: restarted
- name: Restart hd-idle
service:
name: hd-idle
state: restarted