Duo Unix 2FA on Alpine Linux install

alpine_duo_unix.md

DUO Unix on Alpine Linux compilation and installation guide

Alpine v3.15

apk add build-base linux-pam-dev openssl-dev
cd /tmp
curl -LO https://github.com/duosecurity/duo_unix/archive/refs/tags/duo_unix-1.12.0.tar.gz
tar xvfz duo_unix-1.12.0.tar.gz
cd duo_unix-1.12.0
./configure --with-pam --prefix=/usr
make
make install

• Login to Duo dashboard
• Add new Unix Application
• Edit /etc/duo/login_duo.conf and cat /etc/duo/login_duo.conf > /etc/duo/pam_duo.conf
• Test 2FA with login_duo -f myusername 'echo "Hello World"'
  • You should only see "Hello World" if the authentication succeeds.