libnemo-extension-dev software package provides Nemo component system facilities (development files), 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 libnemo-extension-dev
libnemo-extension-dev is installed in your system.
Make ensure the libnemo-extension-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libnemo-extension-dev *
You will get with libnemo-extension-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libnemo-extension-dev |
| Version | 1.8.4-1.1 |
| Description | Nemo component system facilities (development files) |
| Sub Section | libdevel |