qemu-system-aarch64 software package provides QEMU full system emulation binaries (aarch64), 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 qemu-system-aarch64
qemu-system-aarch64 is installed in your system.
Make ensure the qemu-system-aarch64 package were installed using the commands given below,
$ sudo dpkg-query -l | grep qemu-system-aarch64 *
You will get with qemu-system-aarch64 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Other OSs and file systems |
| Package | qemu-system-aarch64 |
| Version | 2.0.0~rc1+dfsg-0ubuntu3 |
| Description | QEMU full system emulation binaries (aarch64) |
| Sub Section | otherosfs |