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• 06:23, 25 February 2026 Akshay talk contribs created page Hardening SSH Access with Google Authenticator 2FA on Ubuntu (Created page with "Home > Ubuntu > Hardening SSH Access with Google Authenticator 2FA on Ubuntu == Two-Factor Authentication (2FA) using Google Authenticator (Ubuntu 24.04 / 22.04 – SSH Login Protection) == == Update the Server == <pre> apt update apt upgrade -y </pre> == Install Google Authenticator PAM Module == <pre> apt install libpam-google-authenticator -y </pre> == Configure PAM for SSH 2FA == '''Backup PAM SSH configuration:''' <pre> cp /etc/pam.d/s...")