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How can I play mp4 files from a USB live iso of Ubuntu 11.04? I can mount my external hard drive, but totem wouldn't allow me to play my mp4 files. Trying to find the ubuntu restricted packages with "apt-cache search restricted" gives me nothing back.

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up vote 1 down vote accepted

I imagine you'd have to first change your sources lists first. Medibuntu is how I used to do it.

sudo wget --output-document=/etc/apt/sources.list.d/medibuntu.list$(lsb_release -cs).list && sudo apt-get --quiet update && sudo apt-get --yes --quiet --allow-unauthenticated install medibuntu-keyring && sudo apt-get --quiet update

Once you've done this you should be able to install ubuntu-restricted-extras.

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any ideas what would be the equivalent for ubuntu 11.04? – 719016 May 16 '11 at 14:21
I thought this was, sorry. Always has been a general thing in the past. This post is marked as 'solved' for what it's worth. Hope it's some help. – boehj May 16 '11 at 14:42

By installing libavcodec52 Install libavcodec52 from main repository or libavcodec-extra-52 Install libavcodec-extra-52 from multiverse you will be able to play standard mp4 video files with most movie players.

You can install these packages from a live USB session and keep them in a reserved space if you had set up your USB-drive for this feature.

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