не может установить трубопровод

Я запускаю ubuntu 14.04 и постоянно сталкиваюсь с трудностями при попытке установить pipelight, чтобы я мог смотреть Netflix. что происходит не так? вот код, который я использую

matt@matt-HP-Pavilion-dv6-Notebook-PC:~$ sudo add-apt-repository ppa:pipelight/stable

 More info: https://launchpad.net/~pipelight/+archive/stable
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmpwygd9m81/secring.gpg' created
gpg: keyring `/tmp/tmpwygd9m81/pubring.gpg' created
gpg: requesting key 25396B8E from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpwygd9m81/trustdb.gpg: trustdb created
gpg: key 25396B8E: public key "Launchpad PPA for Pipelight Dev Team" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
matt@matt-HP-Pavilion-dv6-Notebook-PC:~$ sudo apt-get update
E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/lib/apt/lists/
matt@matt-HP-Pavilion-dv6-Notebook-PC:~$ sudo apt-get install --install-recommends pipelight-multi
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package pipelight-multi