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Setting up Duo Security with Ubuntu Server for 2FA - emtunc's Blog
In this article I will go through the steps required to install and configure Duo Security with Ubuntu Server for two factor authentication. This can be adapted to apply to SSH log-ons, sudo access, etc. The Linux PAM (pluggable authentication modules) make this easy to implement and customise. I currently have this implemented on my … Continue reading Setting up Duo Security with Ubuntu Server for 2FA