yandex flash出现视频无法播放

Install the Adobe Flash Player plugin

Using Ubuntu
Enable the partner repository:
Open System Settings → Software & Updates.
Go to the Other Software tab.
Select the Canonical Partners option.
Run sudo apt-get update in the console.
Run sudo apt-get install adobe-flashplugin in the console.
From an archive
Download the flash_player_ppapi_linux.x86_64.tar.gz file.
Extract the libpepflashplayer.so file from the archive and put it in one of three libraries:
/usr/lib/PepperFlash/libpepflashplayer.so
/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so
/usr/lib/adobe-flashplugin/libpepflashplayer.so
Open the browser.
In the SmartBox, enter the address browser://plugins
Make sure that the Adobe Flash Player plugin is installed and enabled.