Unable to update software centre via terminal and update software via centre is very slow and not able to download software from centre. Please help.
vineshnair@vineshnair-Lenovo-G580:~$ sudo apt-get install gnome-software packagekit
[sudo] password for vineshnair:
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?