kexec-tools software package provides tools to support fast kexec reboots, 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 kexec-tools
kexec-tools is installed in your system.
Make ensure the kexec-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep kexec-tools *
You will get with kexec-tools package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | kexec-tools |
| Version | 1:2.0.6-0ubuntu2 |
| Description | tools to support fast kexec reboots |
| Sub Section | Admin |