You can configure the tabs that are visible by default at bottom of the dashboard. To edit the settings, login as admin and goto Administration > Configuration
|default.dashboard.tab||0,1,2||Which tab should be shown by default, counting starts with 0|
|dashboard.show.myrooms||0 or 1||If the MyRooms tab should be visible or not|
|dashboard.show.chat||0 or 1||If the Chat tab should be visible or not|
|dashboard.show.rssfeed||0 or 1||If the RSS-Feed tab should be visible or not|
|rss_feed1||http-URL||ATOM-Feed URL for the dashboard RSS Tab|
|rss_feed2||http-URL||ATOM-Feed URL for the dashboard RSS Tab|
Changes are immediately online, no need to restart anything.