#setup

execute with sudo or without as root sudo apt-get install conky conky-all curl lm-sensors hddtemp

enable conky on startup in xfce by adding new entry in Settings > Session and Startup > Application Autostart

with field values Name: Conky
Description: Conky
Command:/home/<user>/.config/conky/conky_startup.sh

replace <user> with particular user name