gistfile1.txt

 sudo apt-get install bitcoin-qt
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 bitcoin-qt : Depends: libboost-filesystem1.42.0 (>= 1.42.0-1) but it is not installable
              Depends: libboost-program-options1.42.0 (>= 1.42.0-1) but it is not installable
              Depends: libboost-system1.42.0 (>= 1.42.0-1) but it is not installable
              Depends: libboost-thread1.42.0 (>= 1.42.0-1) but it is not installable
              Depends: libdb4.8++ but it is not installable
E: Unable to correct problems, you have held broken packages.
main@main-ThinkPad-E520:~$ sudo apt-get install bitcoin
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package bitcoin


//I installed the PPAs from bitcoin/bitcoin updated and still does not work?