1. $ sudo apt-get install bind9 dhcp3-server perl libnet-ssleay-perl openssl libauthen-pam-perl libpam-runtime libio-pty-perl libdigest-md5-perl apt-show-versions libapt-pkg-perl
  2. Reading package lists... Done
  3. Building dependency tree
  4. Reading state information... Done
  5. Note, selecting 'libperl5.24' instead of 'libdigest-md5-perl'
  6. Package dhcp3-server is not available, but is referred to by another package.
  7. This may mean that the package is missing, has been obsoleted, or
  8. is only available from another source