安装必要软件：
wget http://gwenole.beauchesne.info/projects/nspluginwrapper/files/nspluginwrapper-0.9.91.4-1.x86_64.rpm
wget http://gwenole.beauchesne.info/projects/nspluginwrapper/files/nspluginwrapper-i386-0.9.91.4-1.x86_64.rpm
sudo alien nspluginwrapper-0.9.91.4-1.x86_64.rpm
sudo alien nspluginwrapper-i386-0.9.91.4-1.x86_64.rpm
sudo dpkg -i nspluginwrapper_0.9.91.4-2_amd64.deb
sudo dpkg -i nspluginwrapper-i386_0.9.91.4-2_amd64.deb
sudo apt-get install ia32-libs ia32-libs-gtk linux32 lib32asound2 nspluginwrapper gsfonts-x11
下载 Flash Player tar gz 版本：下载地址wget http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player_9_linux.tar.gz
解开 tar gz ， 将 libflashplayer.so 複製到 /usr/lib/firefox/plugins/
(It depends on where your firefox locates, if not work, try :/usr/lib/mozila/plugins/)
sudo cp libflashplayer.so /usr/lib/firefox/plugins/
关掉firefox 并且执行下列指令：
nspluginwrapper -i /usr/lib/firefox/plugins/libflashplayer.so
执行firefox 就能使用 flash player 观看
references:
Ubuntu 7.10 amd64 版本下安装Flash player
How to Install Adobe Flash Player for amd64 / 64-bit on Debian Etch fsckin w/ linux
Flash Player 9 working on Edgy Amd64 with nspluginwrapper - Ubuntu Forums