I use Thunderbird for the e-mail I actually get delivered to my computer. It’s great software and I’ve got it tied into my Google Calendar and Contacts databases. Great product. But when I installed openSUSE 11.4, suddenly the calendar component (Lightning) was broken. It turns out openSUSE does not include a 64-bit build of Lightning and the Lightning add-on won’t install because the official add-on is only 32-bit.

Luckily, I found someone’s post mentioning that there is in fact a 64-bit build. I gather that someone’s doing it out of the goodness of their heart- I doubt it’s supported in any way, but it is on the official Mozilla servers

http://releases.mozilla.org/pub/mozilla.org/calendar/lightning/releases/

Find the most recent release (look at the date if you’re not sure). Click the link. Then find the ‘contrib’ folder and click that link. In there should be a folder named ‘linux-x86_64’ – click that link too. There you go! You should see xpi files (Mozilla add-on packages) for lightning and gdata-provider.

Download them (if you’re in Firefox and you click them, Firefox will try to install them- and that won’t work). Then in Thunderbird go to Tools > Add-ons. On the extensions panel you should see an ‘Install’ button at the bottom. Click that and browse to the xpi files you downloaded and away you go!