Hi,
You can select the next booted OS at reboot time by consulting bootadm.
First run bootadm list-menu
# bootadm list-menu
the location for the active GRUB menu is: /boot/grub/menu.lst
default 4
timeout 10
0 c1d0s0
1 c1d0s0 failsafe
2 c1d0s3
3 c1d0s3 failsafe
4 c1d0s6
5 c1d0s6 failsafe
6 c1d0s6 - xVM
7 c1d0s6 - 32 bit
To boot a particular entry (say 32 bit entry above), just say
reboot -p 7
Skipping the -p has same effect except it does Solaris fast reboot which
only works with Solaris.
With -p it will work for any OS.
Thats it. Note, if your BIOS is setup to boot some other disk/partition
by default or does PXEboot first by default, then this obviously wont work
The system must be setup to boot the same GRUB menu each time for this
to work.
Also this is "sticky" so once you change, it will stay changed until
you change it again.
Vikram
Kees Nuyt wrote:
On Sat, 29 Aug 2009 18:44:01 +0200, you wrote:
Is it really true that I have to go through a SYSTEM SHUTDOWN just to
be able to select another option in my grub menu?
Grub selects how to boot and where to boot from. Obviously,
you can't select another bootstrap without rebooting.
Like many of us I have a few boot options in menu.lst. ;-)
A reboot from B121 just gives me a new B121 boot.
DUH.. That can't be true. Who's responsible for this idea?
Or am I overlooking something?
There might even be a command line to reboot through the BIOS.
But what is that line?
init 6
Advice appreciated.
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