perl-base software package provides minimal Perl system, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install perl-base
perl-base is installed in your system.
Make ensure the perl-base package were installed using the commands given below,
$ sudo dpkg-query -l | grep perl-base *
You will get with perl-base package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | perl-base |
| Version | 5.18.2-2ubuntu1.1 [amd64, i386 |
| Description | minimal Perl system |
| Sub Section | Perl |