Sun Microsystems Cobalt LX50, User Manual

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Chapter 4: Powering On and Configuring the Server
4-26 User Guide—Sun Cobalt LX50 Server
Restarting and Shutting Down
You may restart or shut down the Sun Cobalt LX50 server using software or hardware.
Software Mechanisms
The following software mechanisms are available:
• Ctrl-Alt-Del key combination: use this to shut down the operating system and restart the server at any time. This
works regardless of whether you are logged in or not when in text mode. When running Gnome or XWindows
desktops, you must log in as root first. The Ctrl-Alt-Del key combination works for both PS/2 and USB
keyboards.
•
shutdown -h now
: type this to initiate an orderly shutdown and halt the server. You may then press the Power
button to safely power off the server.
•
shutdown -r now
: type this to initiate an orderly shutdown and reboot of the server.
Hardware Mechanisms
The following hardware mechanisms are available:
• Press the Reset button: the server is immediately forced to restart. However, you may lose data.
• Press the Power button: the server is immediately forced to power down. However, you may lose data.
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Important : These hardware mechanisms are not recommended and should be used only as a
last resort.