grub2-set-default


grub2-set-default win7


grub2-editenv list


+++++++++++++++++++++++++++++++++++++++++




#

# DO NOT EDIT THIS FILE

#

# It is automatically generated by grub2-mkconfig using templates

# from /etc/grub.d and settings from /etc/default/grub

#


### BEGIN /etc/grub.d/00_header ###

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

# Fallback normal timeout code in case the timeout_style feature is

# unavailable.

else

  set timeout=5

fi

### END /etc/grub.d/00_header ###




menuentry 'win7' {

    set root='hd0,msdos1'

    chainloader +1

}


### BEGIN /etc/grub.d/10_linux ###

menuentry 'CentOS Linux (3.10.0-123.6.3.el7.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-123.el7.x86_64-advanced-811243b2-acc6-4430-bdff-1f6e50466d36' {

    load_video

    set gfxpayload=keep

    insmod gzio

    insmod part_msdos

    insmod ext2

    set root='hd0,msdos10'

    if [ x$feature_platform_search_hint = xy ]; then

      search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 --hint='hd0,msdos10'  a4b036c8-fd32-4409-bccc-657bd30cb389

    else

      search --no-floppy --fs-uuid --set=root a4b036c8-fd32-4409-bccc-657bd30cb389

    fi

    linux16 /vmlinuz-3.10.0-123.6.3.el7.x86_64 root=UUID=811243b2-acc6-4430-bdff-1f6e50466d36 ro vconsole.keymap=us crashkernel=auto  vconsole.font=latarcyrheb-sun16 rhgb quiet LANG=zh_CN.UTF-8

    initrd16 /initramfs-3.10.0-123.6.3.el7.x86_64.img

}

menuentry 'CentOS Linux, with Linux 3.10.0-123.el7.x86_64' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-123.el7.x86_64-advanced-811243b2-acc6-4430-bdff-1f6e50466d36' {

    load_video

    set gfxpayload=keep

    insmod gzio

    insmod part_msdos

    insmod ext2

    set root='hd0,msdos10'

    if [ x$feature_platform_search_hint = xy ]; then

      search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 --hint='hd0,msdos10'  a4b036c8-fd32-4409-bccc-657bd30cb389

    else

      search --no-floppy --fs-uuid --set=root a4b036c8-fd32-4409-bccc-657bd30cb389

    fi

    linux16 /vmlinuz-3.10.0-123.el7.x86_64 root=UUID=811243b2-acc6-4430-bdff-1f6e50466d36 ro vconsole.keymap=us crashkernel=auto  vconsole.font=latarcyrheb-sun16 rhgb quiet LANG=zh_CN.UTF-8

    initrd16 /initramfs-3.10.0-123.el7.x86_64.img

}

menuentry 'CentOS Linux, with Linux 0-rescue-4dc89c25902e49d89dc15c5a7f97291a' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-0-rescue-4dc89c25902e49d89dc15c5a7f97291a-advanced-811243b2-acc6-4430-bdff-1f6e50466d36' {

    load_video

    insmod gzio

    insmod part_msdos

    insmod ext2

    set root='hd0,msdos10'

    if [ x$feature_platform_search_hint = xy ]; then

      search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 --hint='hd0,msdos10'  a4b036c8-fd32-4409-bccc-657bd30cb389

    else

      search --no-floppy --fs-uuid --set=root a4b036c8-fd32-4409-bccc-657bd30cb389

    fi

    linux16 /vmlinuz-0-rescue-4dc89c25902e49d89dc15c5a7f97291a root=UUID=811243b2-acc6-4430-bdff-1f6e50466d36 ro vconsole.keymap=us crashkernel=auto  vconsole.font=latarcyrheb-sun16 rhgb quiet

    initrd16 /initramfs-0-rescue-4dc89c25902e49d89dc15c5a7f97291a.img

}

if [ "x$default" = 'CentOS Linux, with Linux 3.10.0-123.el7.x86_64' ]; then default='Advanced options for CentOS Linux>CentOS Linux, with Linux 3.10.0-123.el7.x86_64'; fi;

### END /etc/grub.d/10_linux ###


### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###


### BEGIN /etc/grub.d/20_ppc_terminfo ###

### END /etc/grub.d/20_ppc_terminfo ###


### BEGIN /etc/grub.d/30_os-prober ###

### END /etc/grub.d/30_os-prober ###


### BEGIN /etc/grub.d/40_custom ###

# This file provides an easy way to add custom menu entries.  Simply type the

# menu entries you want to add after this comment.  Be careful not to change

# the 'exec tail' line above.

### END /etc/grub.d/40_custom ###


### BEGIN /etc/grub.d/41_custom ###

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

### END /etc/grub.d/41_custom ###