HP Integrity rx2620 Installation Guide, Third Edition - HP Integrity rx2620 (A - Page 99

Shutting Down Linux

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Booting the Operating System Booting and Shutting Down Linux By default, the ELILO.EFI loader boots the kernel image and options specified by the default item in the elilo.conf file. To interact with the ELILO.EFI loader, interrupt the boot process (for example, type a space) at the ELILO boot prompt. To exit the loader use the exit command. Shutting Down Linux Use the shutdown command to shut down Red Hat Enterprise Linux or SuSE Linux Enterprise Server. The Red Hat Enterprise Linux and SuSE Linux Enterprise Server shutdown command has the following options: -h Halts (power off) after shutdown. Use the PC command at the iLO MP Command menu to manually power on or power off server hardware, as needed. -r Reboots after shutdown. -c Cancels an already running shutdown. time When to shut down. (Required.) You can specify time in any of the following ways: • Absolute time in the format hh:mm, in which hh is the hour (one or two digits) and mm is the minute of the hour (two digits). • Number of minutes to wait in the format +m, in which m is the number of minutes. • now to immediately shut down; this is equivalent to using +0 to wait zero minutes. Refer to the shutdown(8) Linux manpage for details. Also refer to the Linux manpage for the poweroff command. Step 1. From the command line for Red Hat Enterprise Linux or SuSE Linux Enterprise Server, issue the shutdown command to shut down the operating system. Step 2. Log in to Linux running on the system you want to shut down. Step 3. Issue the shutdown command with the desired command-line options, and include the required time argument to specify when the operating system shutdown is to occur. For example, shutdown -r +20 shuts down and reboots the system in twenty minutes. Chapter 9 99

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Booting the Operating System
Booting and Shutting Down Linux
Chapter 9
99
By default, the
ELILO.EFI
loader boots the kernel image and options specified by the default item
in the
elilo.conf
file.
To interact with the
ELILO.EFI
loader, interrupt the boot process (for example, type a space) at the
ELILO boot
prompt. To exit the loader use the
exit
command.
Shutting Down Linux
Use the
shutdown
command to shut down Red Hat Enterprise Linux or SuSE Linux Enterprise Server.
The Red Hat Enterprise Linux and SuSE Linux Enterprise Server
shutdown
command has the following
options:
-h
Halts (power off) after shutdown.
Use the
PC
command at the iLO MP Command menu to manually power on or power off
server hardware, as needed.
-r
Reboots after shutdown.
-c
Cancels an already running shutdown.
time
When to shut down. (Required.) You can specify
time
in any of the following ways:
•
Absolute time in the format
hh
:
mm
, in which
hh
is the hour (one or two digits) and
mm
is
the minute of the hour (two digits).
•
Number of minutes to wait in the format
+
m
, in which
m
is the number of minutes.
•
now
to immediately shut down; this is equivalent to using
+0
to wait zero minutes.
Refer to the
shutdown
(8) Linux manpage for details. Also refer to the Linux manpage for the
poweroff
command.
Step 1.
From the command line for Red Hat Enterprise Linux or SuSE Linux Enterprise Server, issue the
shutdown
command to shut down the operating system.
Step 2.
Log in to Linux running on the system you want to shut down.
Step 3.
Issue the
shutdown
command with the desired command-line options, and include the required
time
argument to specify when the operating system shutdown is to occur.
For example,
shutdown -r +20
shuts down and reboots the system in twenty minutes.