No matter your Ubuntu 8.10 box with flashplugin-nonfree is installed by Live CD or alternate CD, you may encounter a problem of Chinese characters not displaying properly on websites with Flash like YouTube.com. However, it is very easy to fix.
Step 1 :
sudo nano /etc/fonts/conf.d/49-sansserif.conf
Step 2 :
Replace the last fourth line where “
sans-serif” with “
The final looking should be :