Install DNIe

#Install required package
sudo yum install -y opensc


 authconfig --smartcardmodule=/usr/lib64/opensc-pkcs11.so --update

# To activate the DNIe
# Open firefox
# Preferencies->Advanced->Certificates->Security Devices -> Load
# Module name: OpenSC PKCS#11.
# Module file: /usr/lib64/opensc-pkcs11.so
# Accept
# NOw in the left, there is a new module called OpenSC PKCS#11.
# Select the option DNI electrónico (PIN 1).
# CLick login
# Put your PIN
# The status should be logged in..
# NOw the cert is available in FIRefox

# THe next time firefox should ask for the pin... Automatically