[SOLVED] booting problem

windstory · 11-13-2015, 07:36 AM

My box is Centos 7.1 x64 and every booting I got this problem as shown int the attached photo.

I want to boot the fourth item at the photo, but it boot another.

Please let me know how to boot the fourth evertime.

Thanks in advance.

lazydog · 11-13-2015, 10:54 AM

You should not be booting the rescue every time. That should be booted to fix something and then boot normal.
Why are you wanting to boot rescue ever time?

jailbait · 11-13-2015, 11:29 AM

Quote:

Originally Posted by windstory

Please let me know how to boot the fourth evertime.

Edit /boot/grub/grub.cfg and change the default entry from 0 to 3. On Debian the line you need to edit looks like this:

set default="0"

which you would change to:

set default="3"

The CentOS code may not be exactly the same but it will be similar.

--------------------------
Steve Stites

ondoho · 11-13-2015, 12:37 PM

...and just for the record, both previous answers are the 100 correct ones.

windstory · 11-13-2015, 06:32 PM

There is not "/boot/grub/grub.cfg", but "/boot/grub2/grub.cfg".

yancek · 11-13-2015, 06:42 PM

Quote:

There is not "/boot/grub/grub.cfg", but "/boot/grub2/grub.cfg"

Well, then edit the /boot/grub2/grub.cfg file as explained above in post 3. Some Linux distributions name the grub directory 'grub', some name it 'grub2', some have both a grub and a grub2 directory. You could also edit the /etc/default/grub file by setting the line at the top of the file to below and then run sudo update-grub

Quote:

GRUB_DEFAULT=3

windstory · 11-13-2015, 08:32 PM

yancek/

I've changed The content of "/boot/grub2/grub.cfg" like this;

Code:

set pager=1

if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="${saved_entry}"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}

function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

terminal_output console
if [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=5

else
  set timeout=5
fi

set tuned_params=""

menuentry 'CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core)' --class rhel fedora --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-229.el7.x86_64-advanced-3dfaa88c-3457-4db5-a67b-2e7bfcc9798a' {
	load_video
	set gfxpayload=keep
	insmod gzio
	insmod part_msdos
	insmod xfs
	set root='hd0,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1'  b93fcea5-125e-4c36-81b3-2d8b1076803d
	else
	  search --no-floppy --fs-uuid --set=root b93fcea5-125e-4c36-81b3-2d8b1076803d
	fi
	linux16 /vmlinuz-3.10.0-229.20.1.el7.x86_64 root=/dev/mapper/centos-root ro rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet LANG=en_US.UTF-8 systemd.debug
	initrd16 /initramfs-3.10.0-229.20.1.el7.x86_64.img
}

if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi

Deleted 3 menuentries without the top one.

And it works.

berndbausch · 11-14-2015, 02:16 AM

Quote:

Originally Posted by windstory

yancek/

I've changed The content of "/boot/grub2/grub.cfg" like this;

... snip ...

And it works.

Until something overwrites grub.cfg, for example when you update your kernel.

You aren't supposed to change grub.cfg directly. Instead, modify /etc/defaults/grub and run update-grub. Find instructions on gnu.org.