cd ~ # 64-bit wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-beta_current_amd64.deb #32-bit # wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-beta_current_i386.deb sudo dpkg -i mod-pagespeed*.deb rm mod-pagespeed*.deb
Now configure the module:
nano /etc/apache2/mods-available/pagespeed.conf
You only need to worry about setting ModPagespeedDomain to your domain. Make sure you restart Apache:
sudo /etc/init.d/apache2 restart
Refresh your site a few times (yes, multiple times) and then look at the source to confirm it’s working.
I Am Aaron Shafovaloff 
It really is that simple isn’t it? Installed beautifully on my Linux/Plesk box.
Posted some results here:
http://subsoftware.posterous.com/does-modpagespeed-really-work
This is the EXACT type of instruction I was looking for.
Thanks very much.
Much better than official documentation. Thanks!