psmisc software package provides utilities that use the proc file system, 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 psmisc
psmisc is installed in your system.
Make ensure the psmisc package were installed using the commands given below,
$ sudo dpkg-query -l | grep psmisc *
You will get with psmisc package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | psmisc |
| Version | 22.20-1ubuntu2 |
| Description | utilities that use the proc file system |
| Sub Section | Admin |