Add role common

common/handlers/main.yml

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+- name: reload_sysctl
+  command: sysctl --system

common/tasks/aliases.yml

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+- name: General aliases
+  blockinfile:
+      path: "{{ ansible_facts.env.HOME }}/.bashrc"
+      marker: "# {mark} ANSIBLE MANAGED BLOCK | General aliases"
+      block: |
+        alias clr="clear"
+        alias hgrep="history | grep"
+        alias syslog="tail -f --lines=100 /var/log/syslog"
+        alias cp="rsync -hlAXEptgoDS --numeric-ids --info=progress2"
+
+- name: ls aliases and colors
+  blockinfile:
+      path: "{{ ansible_facts.env.HOME }}/.bashrc"
+      marker: "# {mark} ANSIBLE MANAGED BLOCK | ls aliases and colors"
+      block: |
+        export LS_OPTIONS='--color=auto'
+        eval "`dircolors`"
+        alias ls='ls $LS_OPTIONS'
+        alias ll='ls $LS_OPTIONS -l'
+        alias l='ls $LS_OPTIONS -la'

common/tasks/main.yml

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+- import_tasks: ./packages.yml
+
+- import_tasks: ./ssh.yml
+
+- import_tasks: ./packages.yml
+
+- import_tasks: ./aliases.yml

common/tasks/packages.yml

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+- name: Update Packages
+  apt:
+      update_cache: yes
+      upgrade: yes
+  when: ansible_facts.distribution == "Debian"
+
+- name: Install Packages
+  package:
+      name:
+          - gpg
+          - htop
+          - iotop
+          - slurm
+          - sudo
+          - screen
+          - curl
+          - rsync
+          - zstd
+      state: latest
+  when: ansible_facts.distribution == "Debian"

common/tasks/ssh.yml

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+- name: Disable SSH password auth
+  lineinfile:
+      dest: /etc/ssh/sshd_config
+      regexp: '^PasswordAuthentication\s*yes'
+      line: "PasswordAuthentication no"
+  register: sshd_config
+
+- name: Restart SSH daemon
+  service:
+      name: sshd
+      state: restarted
+  when: sshd_config.changed