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Ubuntu 12.04 removing history


Ubuntu removing history

Removing desktop history



rm ~/.local/share/recently-used.xbel 
touch ~/.local/share/recently-used.xbel 
sudo chattr +i ~/.local/share/recently-used.xbel

Then I did the following that cleared all the entries that were in there:

rm ~/.local/share/zeitgeist/activity.sqlite 
zeitgeist-daemon --replace &


reference:


http://ubuntuforums.org/showthread.php?t=1729516


Detect memory speed



apt-get install lshw

sudo lshw -short -C memory

Or

sudo dmidecode --type 17 | grep Speed

List Hardware


sudo lshw

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See my previous post on how to install Ubuntu on Yoga Pro 2 for Ubuntu GNOME 16.10.

I think Ubuntu GNOME is the best flavor of Ubuntu if you are running in HiDPI mode 3200x1800. All screen captured images are at HiDPI resolution.
Touch support Ubuntu gnome support for touch screen is pretty good on the desktop shell.
Chrome browser supports touch screen very well and much better than Firefox without any plug-ins.
The windows key on the screen panel works as the windows key on the keyboard.
Screen rotation is supported on the new gnome and disables the keyboard when the yoga is used as a tablet, side lock rotation button works to lock the screen in a certain rotation.



 What works Almost everything works great out of the box, there isn't many changes you need to do.
UbuntuGnome ships with gnome 3.24 and will boot with full resolution HiDPI and touch screen support enabled
Screen HiDPI supportBrightness, resolution keys, o…