Tutorial Mengatasi Error Install Webmin di Ubuntu Server 14.04

(Reading database ... 47458 files and directories currently installed.)
Preparing to replace webmin 1.650 (using webmin-current.deb) ...
Unpacking replacement webmin ...
dpkg: dependency problems prevent configuration of webmin:
 webmin depends on libnet-ssleay-perl; however:
  Package libnet-ssleay-perl is not installed.
 webmin depends on libauthen-pam-perl; however:
  Package libauthen-pam-perl is not installed.
 webmin depends on libio-pty-perl; however:
  Package libio-pty-perl is not installed.
 webmin depends on apt-show-versions; however:
  Package apt-show-versions is not installed.

dpkg: error processing webmin (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 webmin

apt-get install apt-show-versions libapt-pkg-perl libauthen-pam-perl libio-pty-perl libnet-ssleay-perl