Miscellaneous
Navigate to System -> Settings -> Miscellaneous
Thermal Sensors
Intel Chip
Hardware: Intel Core* CPU on-die thermal sensor (coretemp)
AMD Chip
Hardware: AMD K8, K10 and K11 CPU on-die thermal sensor (amdtemp)

Periodic Backups
- Periodic RRD Backup:
1 Hour - Periodic DHCP Leases Backup:
1 Hour - Periodic NetFlow Backup:
1 Hour - Periodic Captive Portal Backup:
Power off
I use the above values, you can choose whatever you prefer.
I don't use Captive Portal, so I have this set to Power Off

Power Savings
You can enable power savings feature and configure how it behaves when it's plugged in or on batteries.
- Check
Use PowerD - On AC Power Mode:
Select the profile you want - On Battery Power Mode:
Select the profile you want - On Normal Power Mode:
Select the profile you want
Usually hiadaptive is a good choice

System Sounds
If you don't want system to make starup/shutdown sounds (beep)
Check Disable the startup/shutdown beep

Click Save