Start apache in MacOS X Mavericks

Start the webserver

sudo launchctl load -w /System/Library/LaunchDaemons/org.apache.httpd.plist

If you want to restart it:

sudo launchctl stop -w /System/Library/LaunchDaemons/org.apache.httpd.plist

sudo launchctl start -w /System/Library/LaunchDaemons/org.apache.httpd.plist

Documents are in:

/Library/WebServer/Documents

Configuration is in:

/etc/apache2/httpd.conf