defoster : debfoster is a wrapper program for apt and dpkg. When first run, it will ask you which of the installed packages you want to keep installed.After that, it maintains a list of packages that you want to have installed on your system. It uses this list to …

FSlint is a utility tool that helps you clean your filesystem by pointing out junk in the form of empty directories, corrupt symlinks, files with bad names, duplicate and temp files, and more.
To intsall on ubuntu you need to run below code :
$sudo apt-get install fslint
In, Applications-> System Tools-> FSlint.
for …

after install of googleearth5 , Panorama images? Nearby could not be displayed.Web and find the pattern that occurred in 64Bit OS.
here is the solution :
first you need to gt.conf like below and create symlink
$ sudo gedit /usr/share/googleearth/qt.conf
# Write down the
[Paths] [Paths]
Documentation=/usr/share/doc
Libraries=/usr/lib32
Plugins=/usr/lib32/qt4/plugins
Translations=/usr/share/qt4/
#now you need to symlink .
$ cd /usr/lib32/googleearth
$ sudo ln …

To play dvd’s on Ubuntu first you need install  VLC media player.
for that do below steps
1)
$ Sudo apt-get update
$ Sudo apt-get install vlc vlc-plugin-esd mozilla-plugin-vlc
2)
1.insert DVD into media
2. Application “Sound & Video> VLC media player launch
3.VLC media player “media” open disc “to play

Sage is a free open-source  mathematics software.Sage can be used to study general and advanced, pure and applied mathematics. This includes a huge range of mathematics, including algebra, calculus, elementary to very advanced number theory, cryptography, numerical computation, commutative algebra, group theory, combinatorics, graph theory, exact linear algebra and much …