sudo mkdir -p /opt/hosts_daemon/ssl
sudo openssl req -x509 -nodes -days 3650 -newkey rsa:2048 \
  -keyout /opt/hosts_daemon/ssl/hosts_daemon.key \
  -out /opt/hosts_daemon/ssl/hosts_daemon.crt \
  -subj "/C=PL/ST=WLKP/L=POZ/O=linuxiarz.pl/OU=hostsDaemon/CN=0.0.0.0"