linux环境下的flash插件需要自行安装和配置，否则即使安装后没有配置成功，firefox始终会提示你安装新版flash

配置方法如下：

Installation instructions-------------------------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 
     
          o Copy the Flash Player Local Settings configurations files to the /usr directory.  At the prompt type:        + sudo cp -r usr/* /usrInstalling the plugin using RPM:   o As root, enter in terminal:          + # rpm -Uvh 
      
                 + Click Enter key and follow prompts
      
     

主要注意：将libflashlayer.so拷贝到 <BrowserPluginsLocation>

至于plugins的位置，在firfox上 help--Troubleshooting Information---open directory