Update tags and add kernel-cleanup script
This commit is contained in:
parent
0bf9c6209c
commit
1f6cb077fa
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@ -18,10 +18,12 @@
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#
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# Remove obsolete issue-gen
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#
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- name: remove obsolete issue-gen script
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- name: remove obsolete issue-gen script from PVC installer
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file:
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dest: /etc/network/if-up.d/issue-gen
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state: absent
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when: newhost is defined and newhost
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tags: always
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#
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# Install custom fact scripts
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@ -31,6 +33,7 @@
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dest: "/etc/ansible/facts.d"
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state: directory
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recurse: yes
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tags: base-ansible
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- name: install custom facts
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template:
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@ -42,22 +45,27 @@
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- host_id
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- host_group
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- dhcp_status
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tags: base-ansible
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- name: regather facts
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setup:
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when: installed_facts.changed
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tags: base-ansible
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- debug:
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var: ansible_local.host_group
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verbosity: 1
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tags: always
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- debug:
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var: ansible_local.host_id
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verbosity: 1
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tags: always
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- debug:
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var: ansible_local.dhcp_status
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verbosity: 1
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tags: always
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#
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# Configure APT
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@ -71,14 +79,14 @@
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- { src: "etc/apt/apt.conf.d/10norecommends.j2", dest: "/etc/apt/apt.conf.d/10norecommends" }
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- { src: "etc/apt/preferences.d/pins.j2", dest: "/etc/apt/preferences.d/pins" }
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- { src: "etc/apt/sources.list.{{ ansible_machine }}.j2", dest: "/etc/apt/sources.list" }
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tags: apt
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tags: base-apt
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- name: add key for bonilan repo
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apt_key:
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url: "https://repo.bonifacelabs.net/debian/bonifacelabs_signing_key.pub"
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id: "83D07192314835D4"
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state: present
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tags: apt
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tags: base-apt
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#
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# Safe apt upgrades (on first install only)
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@ -87,6 +95,8 @@
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- name: apt update
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apt:
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update-cache: yes
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when: newhost is defined and newhost
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tags: base-apt
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- name: aptitude safe upgrade with autoremove
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apt:
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@ -94,6 +104,7 @@
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autoremove: yes
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upgrade: safe
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when: newhost is defined and newhost
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tags: base-apt
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- name: install dbus
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apt:
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@ -101,12 +112,14 @@
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- dbus
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state: latest
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when: newhost is defined and newhost
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tags: base-apt
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- name: clean out apt cache
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file:
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path: "/var/cache/apt/archives"
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state: absent
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when: newhost is defined and newhost
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tags: base-apt
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#
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# Purge unneeded packages
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@ -123,15 +136,13 @@
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state: absent
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purge: yes
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autoremove: yes
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#
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# Install common packages
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#
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tags: base-packages
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- name: set override debconf selections
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shell: 'echo "{{ item }}" | debconf-set-selections'
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with_items:
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- "wireshark-common wireshark-common/install-setuid boolean true"
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tags: base-packages
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- name: install common packages (all arch)
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apt:
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@ -202,6 +213,17 @@
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- haveged
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- linux-image-amd64
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- linux-headers-amd64
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tags: base-packages
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- name: install cleanup scripts
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template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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mode: 0755
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with_items:
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- { src: "usr/local/sbin/kernel-cleanup.sh.j2", dest: "/usr/local/sbin/kernel-cleanup.sh" }
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- { src: "usr/local/sbin/dpkg-cleanup.sh.j2", dest: "/usr/local/sbin/dpkg-cleanup.sh" }
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tags: base-packages
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#
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# System configuration
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@ -212,7 +234,7 @@
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template:
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src: etc/network/interfaces.j2
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dest: /etc/network/interfaces
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tags: network
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tags: base-network
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- name: install per-interface files
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template:
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@ -221,13 +243,14 @@
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with_dict: "{{ networks }}"
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loop_control:
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loop_var: network
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tags: network
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tags: base-network
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# capabilities
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- name: set ping capabilities
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capabilities:
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path: /bin/ping
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capability: cap_net_raw=ep
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tags: base-system
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# locale
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- name: install locale config files
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@ -239,6 +262,7 @@
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with_items:
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- { src: "etc/default/locale.j2", dest: "/etc/default/locale" }
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- { src: "etc/locale.gen.j2", dest: "/etc/locale.gen" }
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tags: base-system
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- name: set timezone
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file:
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@ -246,6 +270,30 @@
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dest: /etc/localtime
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state: link
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force: yes
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tags: base-system
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# sysctl
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- name: install sysctl tweaks
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template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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with_items:
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- { src: "etc/sysctl.d/pvc.conf.j2", dest: "/etc/sysctl.d/pvc.conf" }
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tags: base-system
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- name: activate sysctl tweaks
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shell: "sysctl -p {{ item }}"
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with_items:
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- /etc/sysctl.d/pvc.conf
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tags: base-system
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# sudo
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- name: write the sudoers file
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template:
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src: "etc/sudoers.j2"
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dest: "/etc/sudoers"
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mode: 0440
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tags: base-system
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# dns
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- name: write the hosts config
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@ -254,29 +302,16 @@
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dest: "{{ item.dest }}"
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with_items:
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- { src: "etc/hosts.j2", dest: "/etc/hosts" }
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tags: dns
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tags: base-dns
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- name: write the resolver configs
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template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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with_items:
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- { src: "etc/dhcp/dhclient-enter-hooks.d/noresolv.j2", dest: "/etc/dhcp/dhclient-enter-hooks.d/noresolv" }
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- { src: "etc/resolv.conf.j2", dest: "/etc/resolv.conf" }
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tags: dns
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# acpi
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- name: install sysctl tweaks
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template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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with_items:
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- { src: "etc/sysctl.d/pvc.conf.j2", dest: "/etc/sysctl.d/pvc.conf" }
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- name: activate sysctl tweaks
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shell: "sysctl -p {{ item }}"
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with_items:
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- /etc/sysctl.d/pvc.conf
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- { src: "etc/dhcp/dhclient-enter-hooks.d/noresolv.j2", dest: "/etc/dhcp/dhclient-enter-hooks.d/noresolv" }
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tags: base-dns
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# syslog
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- name: install rsyslog and logrotate configs
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@ -288,7 +323,7 @@
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with_items:
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- { src: "etc/rsyslog.conf.j2", dest: "/etc/rsyslog.conf" }
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- { src: "etc/logrotate.d/rsyslog.j2", dest: "/etc/logrotate.d/rsyslog" }
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tags: rsyslog
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tags: base-syslog
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- name: set journalctl persistence
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template:
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@ -297,7 +332,7 @@
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mode: 0644
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with_items:
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- { src: "etc/systemd/journald.conf.j2", dest: "/etc/systemd/journald.conf" }
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tags: rsyslog
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tags: base-syslog
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# cron
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- name: install crontab
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@ -307,6 +342,7 @@
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mode: 0755
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with_items:
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- { src: "etc/crontab.j2", dest: "/etc/crontab" }
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tags: base-cron
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# mta
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- name: install postfix generic config
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@ -315,15 +351,14 @@
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dest: "/etc/postfix/main.cf"
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notify:
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- restart postfix
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tags: base-mta
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- name: touch the postfix aliases file
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file:
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dest: /etc/postfix/aliases
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state: touch
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tags: base-mta
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#
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# Local alias maps
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#
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- name: install local alias maps for various users
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lineinfile:
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dest: "/etc/aliases"
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@ -337,6 +372,7 @@
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- clamav
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notify:
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- newaliases
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tags: base-mta
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# ntp
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- name: write the NTP config file
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- restart ntp
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with_items:
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- { src: "etc/ntp.conf.j2", dest: "/etc/ntp.conf" }
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tags: ntp
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tags: base-time
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# ssl
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- name: ensure haveged is running
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service:
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name: haveged
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state: started
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tags: base-ssl
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- name: generate diffie-hellman parameters
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command: openssl dhparam -out /etc/ssl/dhparams.pem 2048
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args:
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creates: /etc/ssl/dhparams.pem
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tags: base-ssl
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- name: correct permissions on dhparams
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file:
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dest: /etc/ssl/dhparams.pem
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mode: 0440
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tags: base-ssl
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# ssh
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- name: write the sshd_config files
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@ -377,13 +416,13 @@
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- { src: 'etc/ssh/sshd_config.j2', dest: '/etc/ssh/sshd_config' }
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- { src: 'etc/ssh/shosts.equiv.j2', dest: '/etc/ssh/shosts.equiv' }
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- { src: 'etc/ssh/ssh_known_hosts.j2', dest: '/etc/ssh/ssh_known_hosts' }
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tags: ssh
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tags: base-ssh
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- name: write sshd pam.d config
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template:
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src: "etc/pam.d/sshd.j2"
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dest: "/etc/pam.d/sshd"
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tags: ssh
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tags: base-ssh
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- name: remove unneeded SSH keys (leave only RSA and ED25519)
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file:
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@ -396,7 +435,7 @@
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- /etc/ssh/ssh_host_ecdsa_key.pub
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notify:
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- restart ssh
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tags: ssh
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tags: base-ssh
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- name: set permissions on rsa and ed25519 host keys (just in case they're wrong)
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file:
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@ -407,20 +446,14 @@
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- { name: 'ssh_host_rsa_key.pub', mode: '644' }
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- { name: 'ssh_host_ed25519_key', mode: '600' }
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- { name: 'ssh_host_ed25519_key.pub', mode: '644' }
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tags: ssh
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# sudo
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- name: write the sudoers file
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template:
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src: "etc/sudoers.j2"
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dest: "/etc/sudoers"
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mode: 0440
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tags: base-ssh
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# bash
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- name: write the bash.bashrc config file
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template:
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src: "etc/bash.bashrc.j2"
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dest: "/etc/bash.bashrc"
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tags: base-shell
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# motd
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- name: ensure update-motd and profile.d scripts are present
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@ -432,7 +465,7 @@
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- { src: "usr/local/sbin/update-motd.sh.j2", dest: "/usr/local/sbin/update-motd.sh" }
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- { src: "etc/profile.d/w.sh.j2", dest: "/etc/profile.d/w.sh" }
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- { src: "etc/profile.d/pvc.sh.j2", dest: "/etc/profile.d/zzz_pvc.sh" }
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tags: motd
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tags: base-shell
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- name: install update-motd crontab
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template:
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@ -441,23 +474,13 @@
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mode: 0644
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with_items:
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- { src: "etc/cron.d/update-motd.j2", dest: "/etc/cron.d/update-motd" }
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tags: motd
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tags: base-shell
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- name: ensure /etc/motd is absent
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file:
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dest: "/etc/motd"
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state: absent
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tags: motd
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# dpkg
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- name: install dpkg-cleanup script
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template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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mode: 0755
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with_items:
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- { src: "usr/local/sbin/dpkg-cleanup.sh.j2", dest: "/usr/local/sbin/dpkg-cleanup.sh" }
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tags: dpkg
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tags: base-shell
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# fail2ban
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- name: install fail2ban configurations
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@ -471,7 +494,7 @@
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- { src: "etc/fail2ban/filter.d/sshd.conf.j2", dest: "/etc/fail2ban/filter.d/sshd.conf" }
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- { src: "etc/fail2ban/jail.d/sshd.conf.j2", dest: "/etc/fail2ban/jail.d/sshd.conf" }
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- { src: "etc/fail2ban/jail.d/sshd.local.j2", dest: "/etc/fail2ban/jail.d/sshd.local" }
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tags: fail2ban
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tags: base-fail2ban
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# check-mk-agent
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- name: install check_mk agent plugins
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@ -487,7 +510,7 @@
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- freshness
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- kernelversion
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- ownership
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tags: check-mk-agent
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tags: base-cmkagent
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#
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# Configure users
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@ -756,5 +779,6 @@
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- postfix
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- ntp
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- ssh
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tags: base-services
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- meta: flush_handlers
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@ -0,0 +1,51 @@
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#!/bin/bash
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# kernel-cleanup.sh - Remove obsolete packages and config files
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# {{ ansible_managed }}
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# Determine the active running kernel
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RUNNING_KERNEL="$( uname -v | awk '{ print $4 }' )"
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# Determine the list of installed kernels (latest is always last)
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INSTALLED_KERNELS=( $( dpkg -l | grep 'linux-image-[0-9]' | awk '{ print $3 }' ) )
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NUM_INSTALLED=${{ '{#' }}INSTALLED_KERNELS[@]}
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if [[ ${NUM_INSTALLED} -le 1 ]]; then
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echo "A single kernel is installed, aborting cleanly."
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exit 0
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fi
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LATEST_KERNEL="${INSTALLED_KERNELS[-1]}"
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if [[ ${LATEST_KERNEL} == ${RUNNING_KERNEL} ]]; then
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force="--allow-remove-essential"
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else
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force=""
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fi
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# Remove the latest kernel from the array
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NUM_REMOVABLE=$(( ${NUM_INSTALLED} - 1 ))
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REMOVABLE_KERNELS=( ${INSTALLED_KERNELS[@]:0:${NUM_REMOVABLE}} )
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PURGE_PACKAGES=()
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for KERNEL in ${REMOVABLE_KERNELS[@]}; do
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PURGE_PACKAGES+=( $( dpkg -l | grep ${KERNEL} | awk '{ print $2 }' ) )
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done
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# Override the "linux-check-removal" script
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mv /usr/bin/linux-check-removal /usr/bin/linux-check-removal.orig
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echo -e '#!/bin/sh\necho "Overriding default linux-check-removal script!"\nexit 0' > /usr/bin/linux-check-removal
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chmod +x /usr/bin/linux-check-removal
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# Remove the packages
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echo "Removing: ${PURGE_PACKAGES[@]}"
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apt-get purge --yes ${force} ${PURGE_PACKAGES[@]}
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# Restore the "linux-check-removal" script
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mv /usr/bin/linux-check-removal.orig /usr/bin/linux-check-removal
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# Make sure there is still a valid kernel installed (just in case something broke)
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if [[ $( dpkg -l | grep 'linux-image-[0-9]' | wc -l ) -lt 1 ]]; then
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echo "WARNING: NO KERNEL IS INSTALLED. THROWING ERROR AND ABORTING."
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exit 1
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fi
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exit 0
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