add ssl root certificates to debian

mkdir -m 755 /usr/share/ca-certificates/pslab
cp -i intermediacacert.crt uds_rootcert.crt /usr/share/ca-certificates/pslab/
chmod 0644 /usr/share/ca-certificates/pslab/*
dpkg-reconfigure ca-certificates
# ca-certificate configuration: ask
 
# following options has to be activated:
  [*] pslab/intermediacacert.crt 
  [*] pslab/uds_rootcert.crt