lxrandr-dbg software package provides LXDE monitor configuration tool (debug), 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 lxrandr-dbg
lxrandr-dbg is installed in your system.
Make ensure the lxrandr-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep lxrandr-dbg *
You will get with lxrandr-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Debug packages |
| Package | lxrandr-dbg |
| Version | 0.1.2-3 |
| Description | LXDE monitor configuration tool (debug) |
| Sub Section | debug |