From what I can tell, nbGit doesn\'t talk to Github. The best idea I\'ve had so far is to install msysgit, use it to clone the repository to the local drive, then point nbGit a
Support for the git pull and push commands does not look like it is yet implemented within the nbGit plugin - see this bug report for details... So I think using the command line to sync with github might be your best option for a little while still.