SOLUCION synaptic, apt-get, dpkg bloqueados

error :

E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

1. killall aptitude && killall apt-get
2. killall dpkg && killall frontend

E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem.
E: Couldn't rebuild package cache

       3.

dpkg --configure -a

4.- con la fuerza bruta (eliminado el archivo de bloqueo)

rm /var/lib/dpkg/lock