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Full Discussion: Grub Issues ; Prominent.
Special Forums Hardware Boot Loaders Grub Issues ; Prominent. Post 302554387 by theKbStockpiler on Monday 12th of September 2011 12:15:57 AM
Old 09-12-2011
Manually booting is Solved. Next booting from menu.lst
Mandriva ,Fedora and CentOS need the "root=/dev/sda1" argument in the kernel command and also the "initrd /boot/init..." is needed.

So

In the grub prompt from tapping c in the grub menu while booting ,

root (hd0,0)

kernel /boot/kernel_name root=/dev/sda1 in non grub terms because it is for the kernel ,

initrd /boot/init..... and finally

boot 'press enter'

If I copy and paste an added O.S to a previously installed Linux menu.lst file the later O.S will not boot. Any suggestions?
 

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LEARN ABOUT CENTOS

grub-reboot

GRUB-REBOOT(8)						  System Administration Utilities					    GRUB-REBOOT(8)

NAME

       grub-reboot - set the default boot entry for GRUB, for the next boot only

SYNOPSIS

       grub-reboot [OPTION] MENU_ENTRY

DESCRIPTION

       Set the default boot menu entry for GRUB, for the next boot only.

       -h, --help
	      print this message and exit

       -V, --version
	      print the version information and exit

       --boot-directory=DIR
	      expect GRUB images under the directory DIR/grub instead of the /boot/grub directory

       MENU_ENTRY is a number, a menu item title or a menu item identifier. Please note that menu items in submenus or sub-submenus require speci-
       fying the submenu components and then the menu item component. The titles should be separated using the greater-than character (>) with	no
       extra  spaces.  Depending on your shell some characters including > may need escaping. More information about this is available in the GRUB
       Manual in the section about the 'default' command.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       grub-set-default(8), grub-editenv(1)

       The full documentation for grub-reboot is maintained as a Texinfo manual.  If the info and grub-reboot programs are properly  installed	at
       your site, the command

	      info grub-reboot

       should give you access to the complete manual.

grub-reboot (GRUB) 2.02-2ubuntu8.3				     July 2018							    GRUB-REBOOT(8)
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