ubuntu install flash player

sudo killall -9 firefox

sudo apt-get remove -y --purge
flashplugin-nonfree gnash gnash-common mozilla-plugin-gnash
swfdec-mozilla libflashsupport nspluginwrapper

sudo rm -f /usr/lib/mozilla/plugins/*flash*

sudo rm -f ~/.mozilla/plugins/*flash*

sudo rm -f /usr/lib/firefox/plugins/*flash*

sudo rm -f /usr/lib/firefox-addons/plugins/*flash*

sudo rm -rfd /usr/lib/nspluginwrapper

cd ~

# Download install_flash_player_11_linux.i386.tar.gz from adobe's website

tar zxvf install_flash_player_11_linux.i386.tar.gz

sudo cp libflashplayer.so /usr/lib/mozilla/plugins/

sudo ln -sf /usr/lib/mozilla/plugins/libflashplayer.so /usr/lib/firefox-addons/plugins/

sudo ln -sf /usr/lib/mozilla/plugins/libflashplayer.so /usr/lib/xulrunner-addons/plugins/