nginx-core-dbg software package provides nginx web/proxy server (core version) - debugging symbols, 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 nginx-core-dbg
nginx-core-dbg is installed in your system.
Make ensure the nginx-core-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep nginx-core-dbg *
You will get with nginx-core-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Debug packages |
| Package | nginx-core-dbg |
| Version | 1.4.6-1ubuntu3.7 [amd64, i386] |
| Description | nginx web/proxy server (core version) - debugging symbols |
| Sub Section | debug |