Allow all repositories (in Ubuntu). Then, sudo apt-get install mozilla-mplayer

Totem is the default player for realplayer media files in firefox. Remove these files in /usr/lib/mozilla-firefox/plugins: libtotem-complex-plugin.so libtotem-complex-plugin.xpt sudo rm /usr/lib/mozilla-firefox/plugins/libtotem-complex-plugin.* Then install realplayer plugin… Read More »RealPlayer plugin for Firefox