1. Download install_flash_player_9_linux.tar.gz first
2. As root, extract install_flash_player_9_linux.tar.gz :
root[xxx]# tar vfx install_flash_player_9_linux.tar.gz
3. Enter into flash player directory :
root[xxx]# cd install_flash_player_9_linux
4. Copy file libflashplayer.so to /usr/lib/opera/plugins:
root[install_flash_player_9_linux]# cp libflashplayer.so /usr/lib/opera/plugins/
5. Restart your Opera ...
