linux下为firfox安装flash player

tar -zxvf flash_player_npapi_linux.x86_64.tar.gz

Installing using the plugin tar.gz:
    o Unpack the plugin tar.gz and copy the files to the appropriate location.  
    o Save the plugin tar.gz locally and note the location the file was saved to.
    o Launch terminal and change directories to the location the file was saved to.
    o Unpack the tar.gz file.  Once unpacked you will see the following:
        + libflashplayer.so
        + /usr
    o Identify the location of the browser plugins directory, based on your Linux distribution and Firefox version
    o Copy libflashplayer.so to the appropriate browser plugins directory.  At the prompt type:
        + cp libflashlayer.so <BrowserPluginsLocation>
    o Copy the Flash Player Local Settings configurations files to the /usr directory.  At the prompt type:
        + sudo cp -r usr/* /usr

root@debian:/home/kevin/下载# find / -name mozilla
/usr/share/ca-certificates/mozilla
/usr/share/mozilla
/usr/lib/mozilla
/home/kevin/.cache/mozilla

root@debian:/home/kevin/下载# ls /usr/lib/mozilla
extensions  plugins

cp libflashlayer.so /usr/lib/mozilla/plugins

sudo cp -r usr/* /usr