If you try to install Flash Player 9 for Linux (download link) from Adobe on 64 bit Linux you get this annoying error from the installer:
ERROR: Your architecture, \’x86_64\’, is not supported by the Adobe Flash Player installer.
To overcome this, you can simply run the installer with the following command:
$ linux32 ./flashplayer-installer
The linux32 program makes the installer think that it’s a 32 bit architecture machine and the installation continues. So far I haven’t experienced any problems with the installation.
UPDATE: It seems like I have no sound inside flash any more. It seems to be a known problem with known solutions (solutions search link), but since I don’t have root permissions on my Linux machine (at work) I can’t solve the problem.