DreamHost makes it incredible easy to fire up a WordPress app on your domain.
DreamHost has “one-click installs,” which include several open-source tools for a website – including WordPress. It’s free if one has the fully-hosted plan.
One just adds the WordPress app. Once the WordPress app is installed, syntax highlighting can be performed through embedding Gists. It seems to be a simple option for introducing syntax highlighting in code.
I’m using oEmbed Gist, which allows you to paste the URL on it’s own line in the WordPress editor:
The code is included, syntax highlighting and all!