How to enable mod_deflate module on apache2 on Opensuse

Error shown in error log of apache.

[Sun Apr 11 22:41:23 2010] [error] an unknown filter was not added: DEFLATE
  [Sun Apr 11 22:48:54 2010] [error] an unknown filter was not added: DEFLATE
  [Sun Apr 11 22:50:23 2010] [error] an unknown filter was not added: DEFLATE

This means mod_deflate has not been installed. 

To tweak your Apache setup, use the following two lines:

sudo a2enmod deflate
  sudo /etc/init.d/apache2 force-reload

And you'll get rid of those errors.