Enable monitoring of hdd temperature (app-admin/hddtemp)
Name Category Description
conky app-admin An advanced, highly configurable system monitor for X
gkrellm app-admin Single process stack of various system monitors
inxi sys-apps The CLI inxi collects and prints hardware and system information
lcd4linux app-misc A small program that grabs information and displays it on an external LCD
mate-sensors-applet mate-extra MATE panel applet to display readings from hardware sensors
xfce4-sensors-plugin xfce-extra A panel plug-in for acpi, lm-sensors and hddtemp sensors

Thank you!