Linked by Thom Holwerda on Thu 16th Oct 2008 22:08 UTC, submitted by diegocg
Kexec is a feature that allows to boot kernels from a working kernel. It was originally intended for use by kernel and system developers who had to reboot several times a day. Soon, system administrators for high-availability servers found use for it as well. As systems get more and more advanced, and boot times get longer, end users can now benefit from it.
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RE: Check in demonstration script
by segedunum on Fri 17th Oct 2008 12:44
in reply to "Check in demonstration script"
Member since:2005-07-06
Member since:
2006-10-08
There's one thing I don't understand from the demonstration script shown in the article. It reads as follows:
if [ -x `locate kexec | grep sbin` ]; then
Why does something that is so "near" to the basal operations of the Linux OS relying on a locate database that is up to date (NB: update usually during night time operations periodic script, eventually at the weekend) while it could simply check -x on the default location? Okay, well, I'm implying that there is a default location for kexec. :-) My idea would be to check the usual places, maybe like this:
if [ -x /sbin/kexec -o -x /usr/sbin/kexec ]; then
Another variant would be:
if [ ! `which kexec` ]; then
Just a picky sidenote, forgive me. =^_^=