perl-debug software package provides debug-enabled Perl interpreter, 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-debug
perl-debug is installed in your system.
Make ensure the perl-debug package were installed using the commands given below,
$ sudo dpkg-query -l | grep perl-debug *
You will get with perl-debug package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | perl-debug |
| Version | 5.18.2-2ubuntu1.1 [amd64, i386 |
| Description | debug-enabled Perl interpreter |
| Sub Section | Perl |