iucode-tool software package provides Intel processor microcode tool, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install iucode-tool
iucode-tool is installed in your system.
Make ensure the iucode-tool package were installed using the commands given below,
$ sudo dpkg-query -l | grep iucode-tool *
You will get with iucode-tool package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Utilities |
| Package | iucode-tool |
| Version | 1.1.1-1 |
| Description | Intel processor microcode tool |
| Sub Section | utils |