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Tuesday, 28 June 2011

How to change timeout value on GRUB

When your x86 Solaris system boots, BIOS loads boot loader (GRUB) from boot device.Then GRUB takes control of the booting.
The only issue with this is that the default timeout is only 10 seconds. You may want to decrease or increase this amount.
This is quite simple. Just open up the /boot/grub/menu.lst file in your favorite text editor. I’m using vi:

# vi /boot/grub/menu.lst

Now find the section that looks like this:

# menu timeout in second before default OS is booted
# set to -1 to wait for user input
timeout 10

The timeout value is in seconds. You can set it to -1 which stands for user input.
Save the file, and when you reboot the change will be set.

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