1. Installing dropbox in Ubuntu 12.04                    Dropbox installation is not as easy for users behind a proxy. Two major problems seen during dropbox installation are: (i) If dropbox is installed from repositories using apt-get or synaptic or usc, usually a screen appears asking for permission everytime we launch dropbox and most of the times it doesnt launch. (ii)Drobox deamon fails to download and install automatically after dropbox installation.                        The dropbox installation can be easily done as follows. Instead of installing dropbox available in repositories go to dropbox website . Download dropbox for ubuntu 64 bit or 32 bit .Now install this by opening in ubuntu software center or using the following commands: sudo dpkg -i sudo apt-get -f install While launching dropbox...