Truedoc

#!/bin/bash

echo Certificati installati:

for i in /etc/letsencrypt/live/*/cert.pem; do 

    echo "in $i":

    MAIN=$(openssl x509 -text -noout < $i|grep Subject:|cut -d= -f2)

    echo Main CN: $MAIN

    ALT=$(openssl x509 -text -noout < $i | \

      sed -n -r '/X509v3 Subject Alternative Name:/,+1p' \

       | egrep -v '(Subject Public Key Info:|X509v3 Subject)' \

       | tr -d ',:DNS')

    echo Alternate: 

    for j in $ALT; do

    	echo - $j

    done

done