nodm software package provides automatic display manager, 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 nodm
nodm is installed in your system.
Make ensure the nodm package were installed using the commands given below,
$ sudo dpkg-query -l | grep nodm *
You will get with nodm package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Miscellaneous |
| Package | nodm |
| Version | 0.11-1.3ubuntu1 |
| Description | automatic display manager |
| Sub Section | misc |