sudo apt-get install lm-sensors sensors-applet
sudo sensors-detect #回答YES就好了 或者默认回车
sudo apt-get install xsensors或者ksensors(KDE中推荐使用ksensors)

sensors

我的是双CPU效果如下:

hl@ser01:~$ sensors
coretemp-isa-0000
Adapter: ISA adapter
Package id 0:  +45.0°C  (high = +93.0°C, crit = +103.0°C)
Core 1:        +36.0°C  (high = +93.0°C, crit = +103.0°C)
Core 3:        +35.0°C  (high = +93.0°C, crit = +103.0°C)
Core 4:        +39.0°C  (high = +93.0°C, crit = +103.0°C)
Core 6:        +35.0°C  (high = +93.0°C, crit = +103.0°C)

i350bb-pci-0400
Adapter: PCI adapter
loc1:         +43.0°C  (high = +120.0°C, crit = +110.0°C)

coretemp-isa-0001
Adapter: ISA adapter
Package id 1:  +40.0°C  (high = +93.0°C, crit = +103.0°C)
Core 1:        +35.0°C  (high = +93.0°C, crit = +103.0°C)
Core 3:        +31.0°C  (high = +93.0°C, crit = +103.0°C)
Core 4:        +34.0°C  (high = +93.0°C, crit = +103.0°C)
Core 6:        +30.0°C  (high = +93.0°C, crit = +103.0°C)

power_meter-acpi-0
Adapter: ACPI interface
power1:        4.29 MW (interval =   1.00 s)

实时监控

watch -n 1 -d sensors