Browser to support Java
Install Firefox 51. The new Firefox and Chrome don’t support Java anymore.
Install IcedTea Java Web Start to support Java plugin.
Full screen a window
1
   | wmctrl -r "Cloud Desktop GCG - Citrix Receiver for Java" -b toggle,fullscreen
   | 
 
Switch between multi-desktop
CTRL+ALT+ UP/DOWN/LEFT/RIGHT
SUPER + S
check CPU Temp
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
   | sudo apt install lm-sensors ... quxr@quxr-ThinkPad-X201:~$ sensors coretemp-isa-0000 Adapter: ISA adapter Core 0:       +60.0°C  (high = +95.0°C, crit = +105.0°C) Core 2:       +58.0°C  (high = +95.0°C, crit = +105.0°C)
  acpitz-virtual-0 Adapter: Virtual device temp1:        +65.0°C  (crit = +100.0°C)
  thinkpad-isa-0000 Adapter: ISA adapter fan1:        3464 RPM temp1:        +65.0°C   temp2:         +0.0°C   temp3:         +0.0°C   temp4:         +0.0°C   temp5:         +0.0°C   temp6:         +0.0°C   temp7:         +0.0°C   temp8:         +0.0°C  
   |