When you watch a video in Firefox on a Linux system, you don't have the Flash Player plugin installed to play the video. Simple steps to install the plugin, you can happily use the Linux system to watch the video.
1. When downloading, select the tar specifications to download, then click Download2. Because this is downloaded under the TMP folder, so cd/tmp into TMP3. Because my is installed in the/tmp/mozilla-liuru0 directory, so still have to enter Mozilla under, unzip sudo tar-zx-f install_flash_player_11_linux.x86_64. tar.gzsudo cp libflashplayer.so/usr/lib/mozilla/plugins copy plugin to Firefox plugin foldercd/usr/lib/mozilla/plugins locating to the plugin directorysudo chmod 755 libflashplayer.so Change plugin permissions 4. After the upgrade to open the video site, this time will prompt you to upgrade the plugin. Ignore, directly click Next to the place without text, the video will be able to play the normal
Installation of Firefox flash under Linux