If you are looking forward to buy a new system and is not sure about the processor specs or which processor is better try these site –
The day has come that Intel is providing a GUI Graphics Driver installer for Linux systems (available for Ubuntu and Fedora at the time of writing). You can download the installer from its homepage (link below). Not available for Ubuntu 13.04 yet but should be once it is released.
Webpage: Intel Linux Graphics Installer
I posted this question in LKML but didn’t get any reply for sometime before I could figure it out. I could see that ATA driver has API-s to get AHCI status at the kernel level but couldn’t find anything that would give the status at user level. One of my friends helped out with this and here’s the way to get it:
# grep -inr ahci /proc/interrupts 11: 43: 64247 2154 PCI-MSI-edge ahci
In case you are looking for a RAM upgrade you may need to check the details of the type of RAM (like model, maximum capacity etc.) installed in your system. To keep things simple just provide the details of your laptop make in the following site and get the details of your RAM: crucial
UPDATE: Jupiter is not maintained anymore. Check out TLP.
I came across a tiny applet for Linux recently – Jupiter. It allows you to use the system in different power saving modes. Plus it allows you to control some hardware like bluetooth, wireless, touchpad, screen resolution and orientation as well as display devices. I could never turn off my bluetooth LED on startup since I removed all the bluetooth related packages from Synaptic but this software could turn off the bluetooth LED without any additional package installed. It’s real handy and consumes very less memory (I couldn’t find it in top list for quite some time). You can use Power Saving mode for most of the day to day activities. In Power Saving mode my CPU temperature shows around 52° C.