crtools software package provides checkpoint and restore in userspace, 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 crtools
crtools is installed in your system.
Make ensure the crtools package were installed using the commands given below,
$ sudo dpkg-query -l | grep crtools *
You will get with crtools package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | crtools |
| Version | 0.2-2ubuntu2 |
| Description | checkpoint and restore in userspace |
| Sub Section | Admin |