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EntraID_Ubuntu_Authentication/001_aad_authentication.sh

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+#!/bin/bash
+
+# Replace these two variables with your relevant Tenant ID and Client Secret Value  
+tenant_id="<tenant-id>"
+app_id="<app-id>"
+domain="<domain>"
+
+# Check if the script has already run
+if [ -f /var/run/aad_ubuntu.lock ]; then
+    echo "Script has already run. Exiting..."
+    exit 0
+fi
+
+# Create lock file to indicate that the script has run
+sudo touch /var/run/aad_ubuntu.lock
+
+# Check Ubuntu version
+if [[ $(lsb_release -sr 2>/dev/null) == "23.04" || $(lsb_release -sr 2>/dev/null) == "23.10" ]]; then
+    echo "Ubuntu version is supported."
+else
+    echo "Unsupported Ubuntu version."
+    exit 1
+fi
+
+# Install required packages
+sudo apt-get update
+sudo apt-get install -y libpam-aad libnss-aad aad-cli
+
+# Configure Azure Active Directory Authentication
+echo "auth [success=1 default=ignore] pam_aad.so" | sudo tee -a /etc/pam.d/common-auth
+
+# Enable home directory creation on login
+sudo pam-auth-update --enable mkhomedir
+
+# Add your tenant details to the configuration file
+sudo truncate -s 0 /etc/aad.conf
+echo "tenant_id = $tenant_id" | sudo tee -a /etc/aad.conf
+echo "app_id = $app_id" | sudo tee -a /etc/aad.conf
+echo "[$domain]" | sudo tee -a /etc/aad.conf
+echo "offline_credentials_expiration = 30" | sudo tee -a /etc/aad.conf
+echo "homedir = /home/$domain/%u" | sudo tee -a /etc/aad.conf
+echo "shell = /bin/zsh" | sudo tee -a /etc/aad.conf
+
+# Restart services
+sudo systemctl restart systemd-logind.service
+echo "Entra ID Authentication setup complete."
+exit 0

EntraID_Ubuntu_Authentication/002_delete_local_users.sh

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+#!/bin/bash
+
+group="users"
+
+# Get all users that are members of the group
+users=$(getent group $group | cut -d: -f4)
+
+# Delete each user
+for user in $users; do
+    userdel $user
+done

EntraID_Ubuntu_Authentication/003_sudo_aad_user.sh

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+#!/bin/bash
+
+# Add the current user to the sudo group
+sudo usermod -aG sudo $(whoami)

EntraID_Ubuntu_Authentication/004_intune_join.sh

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+#!/bin/bash
+
+# Check if the script has already run
+if [ -f /var/run/aad_ubuntu_prereq.lock ]; then
+    echo "Script has already run. Exiting..."
+    exit 0
+fi
+
+# Create lock file to indicate that the script has run
+sudo touch /var/run/aad_ubuntu_prereq.lock
+
+# Check Ubuntu version
+if [[ $(lsb_release -sr 2>/dev/null) == "23.04" || $(lsb_release -sr 2>/dev/null) == "23.10" ]]; then
+    echo "Ubuntu version is supported."
+else
+    echo "Unsupported Ubuntu version."
+    exit 1
+fi
+
+# Install the Microsoft GPG key
+wget -O - https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg
+sudo install -o root -g root -m 644 microsoft.gpg /usr/share/keyrings/ 
+sudo sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/ubuntu/22.04/prod jammy main" > /etc/apt/sources.list.d/microsoft-ubuntu-jammy-prod.list' 
+sudo sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/repos/edge stable main" > /etc/apt/sources.list.d/microsoft-edge.list'
+sudo rm microsoft.gpg
+sudo apt update
+
+# Update Java for Microsoft Intune
+sudo apt install -y openjdk-11-jre
+
+# Install Microsoft Edge
+sudo apt install -y microsoft-edge-stable
+
+# Install Microsoft Intune
+sudo apt install -y intune-portal
+
+echo "Installation complete."