現在adobe不提供prerelease的那個64位flash插件了，但是還可以去macromedia去下，下面這個script是我從網上找的，只要運行一下就可以了，很方便，有寫好的文件直接讓你下載運行提供在附件中。
#!/bin/bash
echo "Removing any other flash plugin previously installed:"
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
echo "Installing Flash Player 10"
cd ~
wget http://download.macromedia.com/pub/labs/flashplayer10/libflashplayer-10.0.45.2.linux-x86_64.so.tar.gz
tar zxvf libflashplayer-10.0.45.2.linux-x86_64.so.tar.gz
sudo cp libflashplayer.so /usr/lib/mozilla/plugins/
echo "Linking the libraries so Firefox and apps depending on XULRunner (vuze, liferea, rsswol) can find it."
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/
# now doing some cleaning up:
sudo rm -rf libflashplayer.so
sudo rm -rf libflashplayer-10.0.45.2.linux-x86_64.so.tar.gz