Unauthenticated sources

[JD]

I do not top post. My reply at bottom :)
On 04/14/2013 08:22 PM, Istimsak Abdulbasir wrote:
> Can you give a step-by-step of how you are or have install ffmpeg?
>
> Istimsak
>
>
> On Sun, Apr 14, 2013 at 1:14 PM, JD <jd1008 at gmail.com 
> <mailto:jd1008 at gmail.com>> wrote:
>
>     How can I authenticate what Software Updater calls unauthenticated.
>
>
>     Software updater says:
>
>     Requires installation of untrusted packages
>
>     This requires installing packages from unauthenticated sources.
>
>     Details:
>
>     ffmpeg libav-tools libavcodec-extra-53 libavdevice53 libavfilter2
>     libavformat53 libavutil-extra-51 libavutil51 libopencv-core2.3
>     libopencv-imgproc2.3 libpostproc52 libswresample0 libswscale2 libtbb2
>
>     -- 
>     ubuntu-users mailing list
>     ubuntu-users at lists.ubuntu.com <mailto:ubuntu-users at lists.ubuntu.com>
>     Modify settings or unsubscribe at:
>     https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
>
>
>
>
add-apt-repository ppa.launchpad.net/jon-severinsson/libconfig/ubuntu 
quantal main
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CFCA9579
apt-get -y update
apt-get -y install ffmpeg