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Old 10-05-2009, 05:18 PM   #16
fishwater00
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learn lots
 
Old 10-05-2009, 05:40 PM   #17
Larry Webb
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It is simple once you get the routine down, the hardest part for me was making the menu.lst. This would not have been hard if Saikee had put it in brackets and bold print telling me to make a boot directory and a boot/grub directory to put the menu.lst. Thanks for catching my typo in my prior post Saikee.
 
Old 10-05-2009, 06:03 PM   #18
saikee
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The reason I say Grub is simple because the commands in menu.lst is what we can use manually to boot a system.

Therefore in a Grub prompt if one wants Linux in (hd0,4) chainloadable the commands are
Code:
root (hd0,4)
setup (hd0,4)
one can fire it immediately by commands
Code:
chainloader +1
boot
Also even if a Linux hasn't been made chainloadable it can always by booted by commands
Code:
root (hd0,4)
configfile /boot/grub/menu.lst
The command set from a Grub prompt is good enough to fire up any Linux even it has no boot loader inside!

I always maintained if there is something difficult in Linux it cannot be its boot loaders.

Last edited by saikee; 10-05-2009 at 06:05 PM.
 
Old 10-07-2009, 04:16 PM   #19
james2b
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Cool

I have only just the one Linux partition boot sector not fully allowing the grub to install there, my Ubuntu 9.04 on sda5, (hd1,4), but I have no problem to chainload all other Linux and windows XP too. It says stage 1 and 2 succeed, but stage 1.5 install fails, (this may not be fatal). And when I attempt to chainload to that (hd1,4) it gives grub error 12, which is "Invalid device requested", then if I try with the map commands, it will give error 13. But I can boot it normal method fine, so thanks.
 
Old 10-07-2009, 04:20 PM   #20
Larry Webb
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If ubuntu is listed as sda5 you should be trying

root (hd0,4)

sda would be the first hd seen and there for would be (hd0)

sdb would be the second hd and would be (hd1)

Last edited by Larry Webb; 10-07-2009 at 04:22 PM.
 
Old 10-08-2009, 10:07 PM   #21
james2b
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Smile

From a grub prompt I ran; "geometry (hd0)" which shows all my partitions on the internal IDE hard drive, which from fdisk -l, is seen as; sdb. And that external sata drive shows from the; "geometry (hd1)", and when it is connected by eSATA, is as; sda, as shown in a fdisk -l. So each Linux will view drives in their own way, but most are consistent.
 
  


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