Apple has released Mac OS X 10.7.5 Lion Server with fixes for a variety of commonly used services. The update provides fixes for maintaining the Spotlight index when changing share point settings, creating and connecting to the Open Directory master, using Software Update, and using Profile Manager to set how frequently the Mobility sync interacts with mobile accounts. It also improves the reliability of password authentication and changing an Xsan metadata controller into a client. The updates come in two editions — a delta update for those upgrading from 10.7.4 Lion Server (1.22 GB) and a Combo update for those upgrading from previous versions of Lion Server (1.99 GB). (Free update)
View Extra Audio Details in Snow Leopard
In Snow Leopard, Option-clicking the Volume icon in the menu bar displays a list of sound input and output devices. Choose one to switch to it; it's much easier than using the Sound preference pane. Also, hold Shift and click the icon to set the system volume, which is separate from the general output volume.