I usually do it by doing something like this from a client...
The first line should connect an pull header info, the second one should fetch the NBImageInfo.plist.
Be aware that this is harder when you have spaces in the pathname.
Apache was found to be crashing on my Mac Server.
Even though Server App claimed Websites was running it was not.
After a lot of horsing around the fix was found to be:
Launch Terminal and enter the following command:
sudo serveradmin command web:command=restoreFactorySettings