Reprinted: http://blog.sina.com.cn/s/blog_4560b80b0100lqbz.html
Old Li's original: the installation of flash in centos Firefox is very tangled, but old Li found a method. Click this address to download the Flash Player Plug-in source file http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player_10_linux.tar.gz
Decompress tar-zxvf Install_flash_player_10_linux.tar.gz. decompress the package and a libflashplayer. So file.
# Ln-S/usr/lib/nspluginwrapper/noarch/npviewer/usr/bin/npviewer
# Sh/etc/sysconfig/nspluginwrapper-v-I/file path/libflashplayer. So
# Cp/file path/libflashplayer. So/usr/lib/Mozilla/plugins
# Sh/etc/sysconfig/nspluginwrapper-I/usr/lib/Mozilla/plugins/libflashplayer. So (absolute path)
# Sh/etc/sysconfig/nspluginwrapper-l
Open the Firefox browser and enter "about: plugins" in the address bar to enter flash. You can see that flashpalyer has been installed. Enjoy the flash webpage!