Updated FAQ (markdown)

FAQ.md

@@ -1,3 +1,13 @@
+### How to access the server dashboard?
+SeaweedFS has web dashboards for its different services:
+
+* Master server dashboards can be accessed on `http://hostname:port` in a web browser.
+  For example: `http://localhost:9333`.
+* Volume server dashboards can be accessed on `http://hostname:port/ui/index.html`.
+  For example: `http://localhost:8080/ui/index.html`
+
+Also see [#275](https://github.com/chrislusf/seaweedfs/issues/275).
+
 ### Why my 010 replicated volume files have different size?
 
 The volumes are consistent, but not necessarily the same size or the same number of files. This could be due to these reasons: