$ perl -MCPAN -we'install Data::Dumper'
Can't locate object method "install" via package "Data::Dumper" at -e line 1.

$ perl -MCPAN -we'install "Data::Dumper"'
:
Data::Dumper is up to date (2.161).

$ perl -MCPAN -wE'install Sys::Hostname'
Can't locate object method "install" via package "Sys::Hostname" at -e line 1.

$ perl -MCPAN -wE'install "Sys::Hostname"'
:
The most recent version "1.22" of the module "Sys::Hostname"
is part of the perl-5.28.0 distribution. To install that, you need to run
  force install Sys::Hostname   --or--
  install X/XS/XSAWYERX/perl-5.28.0.tar.gz

$ perl -MCPAN -wE'install Kitchen::Sink'
:
Warning: Cannot install Kitchen::Sink, don't know what it is.
Try the command

    i /Kitchen::Sink/

to find objects with matching identifiers.

$ perl -MCPAN -wE'install "Kitchen::Sink"'
:
Warning: Cannot install Kitchen::Sink, don't know what it is.
Try the command

    i /Kitchen::Sink/

to find objects with matching identifiers.