[CentOS] Battery status indicator in CentOS 4.4

[Robert Moskowitz]

Andrew Allen wrote:
> I've got CentOS 4.4 installed on 3 machines - two laptops and a PC. Only
> one, a HP Omnibook 900, shows the graphical battery status indicator (in
> the bottom right of the screen), but the other laptop (a new Dell
> Inspiron 1501) doesn't show it. Furthermore, the command /usr/bin/apm
> gets the response 'no apm support in kernel' - I've tried yum-updating
> the kernel and installing apm but to no avail. Any suggestions please as
> it's obviously very useful/necessary to have a battery indicator!
Check to see if acpi is installed.  It replaces apm, I think :)

And are you using gnome and installed the battery app on the panel on 
those Dells?  I remember having to install it myself....