ksysguard software package provides process monitor and system statistics, 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 ksysguard
ksysguard is installed in your system.
Make ensure the ksysguard package were installed using the commands given below,
$ sudo dpkg-query -l | grep ksysguard *
You will get with ksysguard package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Utilities |
| Package | ksysguard |
| Version | 4:4.11.13-2 |
| Description | process monitor and system statistics |
| Sub Section | utils |