libtree-dagnode-perl software package provides Perl (super)class for representing nodes in a tree, 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 libtree-dagnode-perl
libtree-dagnode-perl is installed in your system.
Make ensure the libtree-dagnode-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libtree-dagnode-perl *
You will get with libtree-dagnode-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libtree-dagnode-perl |
| Version | 1.17-1 |
| Description | Perl (super)class for representing nodes in a tree |
| Sub Section | Perl |