holly

remote_cert_remaining_days() { cert_remaining_time=$(date -d "$(openssl s_client -connect $1 2>/dev/null </dev/null | openssl x509  -enddate -noout | cut -d'=' -f2)" "+%s");  current_time=$(date "+%s"); echo remaining $((($cert_remaining_time - $current_time) / 60 / 60 / 24)) days; }