Ubuntu 16.04.2 LTS Trial Version here runing from 4 GB stick. I can watch/listen youtube but can't watch others videos and for example twitch streams - "No supported video backend available; Flash is not installed". My question why is that?

2 Answers

Well, YouTube has dropped flash in favour of HTML 5 video, by default, but others are still relying on flash, to install flash and other media codecs that you might not have installed, you need to install a package called Ubuntu Restricted extras

Open up your terminal (Ctrl + Alt + T) and paste following command

sudo apt-get install ubuntu-restricted-extras

if you don't need or have already installed other media codecs, paste the command below (instead of the one above)

sudo apt install adobe-flashplugin

4

Flash player isn't available on the Trial version, because that would require installing the flashplayer plugin. It does not ship with the system by default is what I am trying to say.

3

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