kernel-patch-grsecurity2 software package provides transitional package for Debian Lenny, 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 kernel-patch-grsecurity2
kernel-patch-grsecurity2 is installed in your system.
Make ensure the kernel-patch-grsecurity2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep kernel-patch-grsecurity2 *
You will get with kernel-patch-grsecurity2 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Kernels |
| Package | kernel-patch-grsecurity2 |
| Version | 3.0+3.14.22-201410250026-1 |
| Description | transitional package for Debian Lenny |
| Sub Section | Kernels |