06-15-2005
how to pre-determine if a reboot is required?
given any specific fix, how can I determine if the machine will require a reboot? (I don't have a window for downtime)
obvious fix's to the kernel / lvm will require a reboot ... bos.rte files etc...
is there a tool or command that I am able to run against a specific IY that will inform me if this fix requires a reboot? I only want to install a specific IY, and not the entire ML .. but I don't have downtime available?
any thoughts?
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LEARN ABOUT CENTOS
reboot
HALT(8) halt HALT(8)
NAME
halt, poweroff, reboot - Halt, power-off or reboot the machine
SYNOPSIS
halt [OPTIONS...]
poweroff [OPTIONS...]
reboot [OPTIONS...]
DESCRIPTION
halt, poweroff, reboot may be used to halt, power-off or reboot the machine.
OPTIONS
The following options are understood:
--help
Prints a short help text and exits.
--halt
Halt the machine, regardless of which one of the three commands is invoked.
-p, --poweroff
Power-off the machine, regardless of which one of the three commands is invoked.
--reboot
Reboot the machine, regardless of which one of the three commands is invoked.
-f, --force
Force immediate halt, power-off, reboot. Do not contact the init system.
-w, --wtmp-only
Only write wtmp shutdown entry, do not actually halt, power-off, reboot.
-d, --no-wtmp
Do not write wtmp shutdown entry.
--no-wall
Do not send wall message before halt, power-off, reboot.
EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise.
NOTES
These are legacy commands available for compatibility only.
SEE ALSO
systemd(1), systemctl(1), shutdown(8), wall(1)
systemd 208 HALT(8)