setting up yubikey u2f

setting up yubikey u2f.sh

# note: leave a seperate sudo terminal running and test if works eg. with sudo first

sudo apt update 
sudo apt install libpam-u2f pamu2fcfg

mkdir -p ~/.config/Yubico
pamu2fcfg > ~/.config/Yubico/u2f_keys
# touch yubikey when flashing to associate

# edit /etc/pam.d/sud
# add after @include common-auth
auth  required  pam_u2f.so

# using seperate terminal try sudo and you should only be prompted for u2f

# edit /etc/pam.d/login
# depends on display manager eg. ubuntu gdm or kali's lightdm 
# /etc/pam.d/gdm-password
# /etc/pam.d/lightdm