Remove rkhunter and chkrootkit in favour of unattended-upgrades
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ansible/etc/apt/apt.conf.d/20auto-upgrades.j2
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ansible/etc/apt/apt.conf.d/20auto-upgrades.j2
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APT::Periodic::Update-Package-Lists "1";
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APT::Periodic::Unattended-Upgrade "1";
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146
ansible/etc/apt/apt.conf.d/50unattended-upgrades.j2
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ansible/etc/apt/apt.conf.d/50unattended-upgrades.j2
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// Unattended-Upgrade::Origins-Pattern controls which packages are
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// upgraded.
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//
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// Lines below have the format format is "keyword=value,...". A
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// package will be upgraded only if the values in its metadata match
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// all the supplied keywords in a line. (In other words, omitted
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// keywords are wild cards.) The keywords originate from the Release
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// file, but several aliases are accepted. The accepted keywords are:
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// a,archive,suite (eg, "stable")
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// c,component (eg, "main", "contrib", "non-free")
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// l,label (eg, "Debian", "Debian-Security")
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// o,origin (eg, "Debian", "Unofficial Multimedia Packages")
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// n,codename (eg, "jessie", "jessie-updates")
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// site (eg, "http.debian.net")
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// The available values on the system are printed by the command
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// "apt-cache policy", and can be debugged by running
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// "unattended-upgrades -d" and looking at the log file.
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//
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// Within lines unattended-upgrades allows 2 macros whose values are
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// derived from /etc/debian_version:
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// ${distro_id} Installed origin.
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// ${distro_codename} Installed codename (eg, "buster")
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Unattended-Upgrade::Origins-Pattern {
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// Codename based matching:
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// This will follow the migration of a release through different
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// archives (e.g. from testing to stable and later oldstable).
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// Software will be the latest available for the named release,
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// but the Debian release itself will not be automatically upgraded.
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// "origin=Debian,codename=${distro_codename}-updates";
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// "origin=Debian,codename=${distro_codename}-proposed-updates";
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"origin=Debian,codename=${distro_codename},label=Debian";
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"origin=Debian,codename=${distro_codename},label=Debian-Security";
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// Archive or Suite based matching:
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// Note that this will silently match a different release after
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// migration to the specified archive (e.g. testing becomes the
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// new stable).
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// "o=Debian,a=stable";
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// "o=Debian,a=stable-updates";
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// "o=Debian,a=proposed-updates";
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// "o=Debian Backports,a=${distro_codename}-backports,l=Debian Backports";
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};
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// Python regular expressions, matching packages to exclude from upgrading
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Unattended-Upgrade::Package-Blacklist {
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// The following matches all packages starting with linux-
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// "linux-";
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// Use $ to explicitely define the end of a package name. Without
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// the $, "libc6" would match all of them.
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// "libc6$";
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// "libc6-dev$";
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// "libc6-i686$";
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// Special characters need escaping
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// "libstdc\+\+6$";
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// The following matches packages like xen-system-amd64, xen-utils-4.1,
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// xenstore-utils and libxenstore3.0
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// "(lib)?xen(store)?";
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// For more information about Python regular expressions, see
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// https://docs.python.org/3/howto/regex.html
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};
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// This option allows you to control if on a unclean dpkg exit
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// unattended-upgrades will automatically run
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// dpkg --force-confold --configure -a
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// The default is true, to ensure updates keep getting installed
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//Unattended-Upgrade::AutoFixInterruptedDpkg "true";
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// Split the upgrade into the smallest possible chunks so that
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// they can be interrupted with SIGTERM. This makes the upgrade
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// a bit slower but it has the benefit that shutdown while a upgrade
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// is running is possible (with a small delay)
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//Unattended-Upgrade::MinimalSteps "true";
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// Install all updates when the machine is shutting down
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// instead of doing it in the background while the machine is running.
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// This will (obviously) make shutdown slower.
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// Unattended-upgrades increases logind's InhibitDelayMaxSec to 30s.
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// This allows more time for unattended-upgrades to shut down gracefully
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// or even install a few packages in InstallOnShutdown mode, but is still a
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// big step back from the 30 minutes allowed for InstallOnShutdown previously.
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// Users enabling InstallOnShutdown mode are advised to increase
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// InhibitDelayMaxSec even further, possibly to 30 minutes.
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//Unattended-Upgrade::InstallOnShutdown "false";
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// Send email to this address for problems or packages upgrades
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// If empty or unset then no email is sent, make sure that you
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// have a working mail setup on your system. A package that provides
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// 'mailx' must be installed. E.g. "user@example.com"
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Unattended-Upgrade::Mail "root";
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// Set this value to "true" to get emails only on errors. Default
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// is to always send a mail if Unattended-Upgrade::Mail is set
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//Unattended-Upgrade::MailOnlyOnError "false";
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// Remove unused automatically installed kernel-related packages
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// (kernel images, kernel headers and kernel version locked tools).
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//Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";
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// Do automatic removal of newly unused dependencies after the upgrade
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//Unattended-Upgrade::Remove-New-Unused-Dependencies "true";
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// Do automatic removal of unused packages after the upgrade
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// (equivalent to apt-get autoremove)
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//Unattended-Upgrade::Remove-Unused-Dependencies "false";
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// Automatically reboot *WITHOUT CONFIRMATION* if
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// the file /var/run/reboot-required is found after the upgrade
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//Unattended-Upgrade::Automatic-Reboot "false";
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// Automatically reboot even if there are users currently logged in
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// when Unattended-Upgrade::Automatic-Reboot is set to true
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//Unattended-Upgrade::Automatic-Reboot-WithUsers "true";
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// If automatic reboot is enabled and needed, reboot at the specific
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// time instead of immediately
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// Default: "now"
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//Unattended-Upgrade::Automatic-Reboot-Time "02:00";
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// Use apt bandwidth limit feature, this example limits the download
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// speed to 70kb/sec
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//Acquire::http::Dl-Limit "70";
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// Enable logging to syslog. Default is False
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// Unattended-Upgrade::SyslogEnable "false";
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// Specify syslog facility. Default is daemon
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// Unattended-Upgrade::SyslogFacility "daemon";
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// Download and install upgrades only on AC power
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// (i.e. skip or gracefully stop updates on battery)
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// Unattended-Upgrade::OnlyOnACPower "true";
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// Download and install upgrades only on non-metered connection
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// (i.e. skip or gracefully stop updates on a metered connection)
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// Unattended-Upgrade::Skip-Updates-On-Metered-Connections "true";
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// Verbose logging
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// Unattended-Upgrade::Verbose "false";
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// Print debugging information both in unattended-upgrades and
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// in unattended-upgrade-shutdown
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// Unattended-Upgrade::Debug "false";
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@ -26,6 +26,26 @@
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reboot:
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when: apt_update is changed
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# -------------------------------------------------------------------------
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# Ensure unattended upgrades is installed.
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# -------------------------------------------------------------------------
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- name: Install unattended-upgrades
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apt:
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name: unattended-upgrades
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- name: Configure unattended-upgrades
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template:
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src: ./etc/apt/apt.conf.d/50unattended-upgrades.j2
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dest: /etc/apt/apt.conf.d/50unattended-upgrades
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mode: 0644
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- name: Enable unattended-upgrades
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template:
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src: ./etc/apt/apt.conf.d/20auto-upgrades.j2
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dest: /etc/apt/apt.conf.d/20auto-upgrades
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mode: 0644
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# -------------------------------------------------------------------------
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# Loki uses SSDs so use fstrim on a timer.
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# -------------------------------------------------------------------------
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@ -92,7 +112,6 @@
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mode: 0644
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register: apparmor_cfg
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# Once ansible 2.7 is available will be able to just use reboot module.
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- block:
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- name: Update grub
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command: update-grub
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@ -302,34 +321,6 @@
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auditd is changed or
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auditd_cfg is changed
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# -------------------------------------------------------------------------
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# Chkrootkit and Rkhunter.
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# -------------------------------------------------------------------------
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- name: Install rkhunter and chkrootkit
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apt:
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name:
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- rkhunter
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- chkrootkit
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- name: Configure rkhunter
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template:
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src: ./etc/rkhunter.conf.j2
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dest: /etc/rkhunter.conf
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mode: 0644
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- name: Configure rkhunter
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template:
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src: ./etc/default/rkhunter.j2
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dest: /etc/default/rkhunter
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mode: 0644
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- name: Configure chkrootkit
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template:
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src: ./etc/chkrootkit.conf.j2
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dest: /etc/chkrootkit.conf
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mode: 0644
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# -------------------------------------------------------------------------
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# Install sudo and user to group.
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# -------------------------------------------------------------------------
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@ -415,6 +406,7 @@
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command: ./update.sh
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args:
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chdir: "{{ loki_dir }}"
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rescue:
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- debug:
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msg: "Failed to pull containers from registry - will build locally"
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@ -459,16 +451,3 @@
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src: ./root.bashrc
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dest: /root/.bashrc
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mode: 0644
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# -------------------------------------------------------------------------
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# Update rkhunter and chkrootkit databases.
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# -------------------------------------------------------------------------
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- name: Update rkhunter database
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command: rkhunter --propupd
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- name: Run chkrootkit
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command: /etc/cron.daily/chkrootkit
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- name: Update chkrootkit logs
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command: cp -a /var/log/chkrootkit/log.today /var/log/chkrootkit/log.expected
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