Install a self signed SSL certificate into the local machine's trust store

certsetup.sh

#!/usr/bin/env bash
set -x

HOST=$1
if [ -d /etc/pki/ca-trust/source/anchors/ ] ; then
  echo -n | openssl s_client -connect ${HOST}| sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/pki/ca-trust/source/anchors/ssman.crt
  update-ca-trust enable
  update-ca-trust extract
elif [ -d /usr/local/share/ca-certificates ] ; then
  echo -n | openssl s_client -connect ${HOST} | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /usr/local/share/ca-certificates/ssman.crt
  update-ca-certificates
fi