如何更改ubuntu18雙系統的啟動順序

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eremiter
帖子: 75
注册时间: 2017-04-22 19:12
系统: Ubuntu22

如何更改ubuntu18雙系統的啟動順序

#1

帖子 eremiter » 2018-06-09 20:25

複製了一個只讀文件出來,

代码: 全选

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
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 recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; 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
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root  daf3a695-7d76-4947-b796-f25a5de2229c
else
  search --no-floppy --fs-uuid --set=root daf3a695-7d76-4947-b796-f25a5de2229c
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=zh_CN
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
  set timeout=30
else
  if [ x$feature_timeout_style = xy ] ; then
    set timeout_style=menu
    set timeout=10
  # Fallback normal timeout code in case the timeout_style feature is
  # unavailable.
  else
    set timeout=10
  fi
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30,0; then
  clear
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
	set gfxpayload="${1}"
	if [ "${1}" = "keep" ]; then
		set vt_handoff=vt.handoff=1
	else
		set vt_handoff=
	fi
}
if [ "${recordfail}" != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-daf3a695-7d76-4947-b796-f25a5de2229c' {
	recordfail
	load_video
	gfxmode $linux_gfx_mode
	insmod gzio
	if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
	insmod part_gpt
	insmod ext2
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root  daf3a695-7d76-4947-b796-f25a5de2229c
	else
	  search --no-floppy --fs-uuid --set=root daf3a695-7d76-4947-b796-f25a5de2229c
	fi
        linux	/boot/vmlinuz-4.15.0-20-generic root=UUID=daf3a695-7d76-4947-b796-f25a5de2229c ro  quiet splash $vt_handoff
	initrd	/boot/initrd.img-4.15.0-20-generic
}
submenu 'Ubuntu 高级选项' $menuentry_id_option 'gnulinux-advanced-daf3a695-7d76-4947-b796-f25a5de2229c' {
	menuentry 'Ubuntu,Linux 4.15.0-20-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.15.0-20-generic-advanced-daf3a695-7d76-4947-b796-f25a5de2229c' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root  daf3a695-7d76-4947-b796-f25a5de2229c
		else
		  search --no-floppy --fs-uuid --set=root daf3a695-7d76-4947-b796-f25a5de2229c
		fi
		echo	'载入 Linux 4.15.0-20-generic ...'
	        linux	/boot/vmlinuz-4.15.0-20-generic root=UUID=daf3a695-7d76-4947-b796-f25a5de2229c ro  quiet splash $vt_handoff
		echo	'载入初始化内存盘...'
		initrd	/boot/initrd.img-4.15.0-20-generic
	}
	menuentry 'Ubuntu, with Linux 4.15.0-20-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.15.0-20-generic-recovery-daf3a695-7d76-4947-b796-f25a5de2229c' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root  daf3a695-7d76-4947-b796-f25a5de2229c
		else
		  search --no-floppy --fs-uuid --set=root daf3a695-7d76-4947-b796-f25a5de2229c
		fi
		echo	'载入 Linux 4.15.0-20-generic ...'
	        linux	/boot/vmlinuz-4.15.0-20-generic root=UUID=daf3a695-7d76-4947-b796-f25a5de2229c ro recovery nomodeset 
		echo	'载入初始化内存盘...'
		initrd	/boot/initrd.img-4.15.0-20-generic
	}
}

### 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_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows Boot Manager (on /dev/nvme0n1p1)' --class windows --class os $menuentry_id_option 'osprober-efi-FCE9-CE97' {
	insmod part_gpt
	insmod fat
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root  FCE9-CE97
	else
	  search --no-floppy --fs-uuid --set=root FCE9-CE97
	fi
	chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
  set timeout=10
fi
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
menuentry 'System setup' $menuentry_id_option 'uefi-firmware' {
	fwsetup
}
### END /etc/grub.d/30_uefi-firmware ###

### 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 ###
poloshiao
论坛版主
帖子: 18279
注册时间: 2009-08-04 16:33

Re: 如何更改ubuntu18雙系統的啟動順序

#2

帖子 poloshiao » 2018-06-09 20:53

把下面指令 複製 貼進終端機 執行
sudo cat /etc/default/grub | grep GRUB_DEFAULT
把指令及結果直接 選取/複製 貼上來
头像
eremiter
帖子: 75
注册时间: 2017-04-22 19:12
系统: Ubuntu22

Re: 如何更改ubuntu18雙系統的啟動順序

#3

帖子 eremiter » 2018-06-10 21:17

poloshiao 写了:把下面指令 複製 貼進終端機 執行
sudo cat /etc/default/grub | grep GRUB_DEFAULT
把指令及結果直接 選取/複製 貼上來
謝謝熱心的朋友,我看教程是4,原來我的情況,要改為2,就可以默認啟動win10
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