Check your battery and system temperature in Terminal CLI...

Check your battery and system temperature in Terminal CLI...

First install acpi
open CLI, Terminal, Terminator or Konsole;

$ sudo apt-get install acpi

$ sudo acpi -V

my example;
Battery 0: Charging, 90%, 02:26:34 until charged
Battery 0: design capacity 4400 mAh, last full capacity 2061 mAh = 46%
Adapter 0: on-line
Thermal 0: ok, 40.0 degrees C
Thermal 0: trip point 0 switches to mode critical at temperature 82.0 degrees C
Thermal 1: ok, 45.0 degrees C
Thermal 1: trip point 0 switches to mode critical at temperature 85.0 degrees C
Cooling 0: Processor 0 of 3
Cooling 1: Processor 0 of 3

To install the latest Firefox on Ubuntu 11.04/11.10/12.04, you can use this PPA...

To install the latest Firefox on Ubuntu 11.04/11.10/12.04, you can use this PPA...

First open CLI, Terminator or Terminal, and put the lines in it;

$ sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa
$ sudo apt-get update
$ sudo apt-get install firefox

Window Manager is not available and Workspaces are also ineffective

In xfce4 (Xubuntu) when the Window Manager is not available and Workspaces are not active, type this command in CLI (Terminator or Terminal);

$ xfwm4 --replace &