diff --git a/common/handlers/main.yml b/common/handlers/main.yml
new file mode 100644
index 0000000..7ee7465
--- /dev/null
+++ b/common/handlers/main.yml
@@ -0,0 +1,2 @@
+- name: reload_sysctl
+  command: sysctl --system
diff --git a/common/tasks/aliases.yml b/common/tasks/aliases.yml
new file mode 100644
index 0000000..0cd19e3
--- /dev/null
+++ b/common/tasks/aliases.yml
@@ -0,0 +1,20 @@
+- 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'
diff --git a/common/tasks/main.yml b/common/tasks/main.yml
new file mode 100644
index 0000000..e12de46
--- /dev/null
+++ b/common/tasks/main.yml
@@ -0,0 +1,7 @@
+- import_tasks: ./packages.yml
+
+- import_tasks: ./ssh.yml
+
+- import_tasks: ./packages.yml
+
+- import_tasks: ./aliases.yml
diff --git a/common/tasks/packages.yml b/common/tasks/packages.yml
new file mode 100644
index 0000000..2313f48
--- /dev/null
+++ b/common/tasks/packages.yml
@@ -0,0 +1,20 @@
+- 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"
diff --git a/common/tasks/ssh.yml b/common/tasks/ssh.yml
new file mode 100644
index 0000000..a3671d2
--- /dev/null
+++ b/common/tasks/ssh.yml
@@ -0,0 +1,12 @@
+- 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