Last updated: 4 Nov 2012
You can install a Firefox addon (available here) which runs FirefoxOS in a separate window, for previewing. More information at http://davidwalsh.name/r2d2b2g or https://hacks.mozilla.org/2012/11/announcing-the-prototype-firefox-os-simulator/
More painful way to check out FirefoxOS on Linux
This will involve downloading a few hundred MB of stuff. So apart from a decently fast internet connection, you'd also want that much space on your disk.
From http://ftp.mozilla.org/pub/mozilla.org/b2g/nightly/ download an image of b2g. You'd typically want the latest one, I guess. Download the
Download the gaia interface from Github.
git clone git://github.com/mozilla-b2g/gaia
make -C gaia profile
/path/to/b2g -profile gaia/profile
- (Untested) Dual-booting with Firefox OS on your mobile device: http://www.villainrom.co.uk/forum/threads/introduction-to-dual-boot-of-boot2gecko-b2g.5436/
- Toying with and developing for FirefoxOS https://hacks.mozilla.org/2012/11/hacking-firefox-os/
Note : I'm writing this because I had some trouble finding references for how to try out b2g on linux. Though I'm very excited, I'm not very knowledgeable about the project. And there is a chance that I might not actively maintain this page and update changes. So I give no guarantee that these steps will work. On the other hand, I was surprised by how easy it was for me to get it working. It will probably be the same for you. If you wish to suggest changes/additions/updates to the document, please email me.