2022年windows和linux双系统,设置默认启动项 .pdf

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1、windows和 linux双系统，设置默认启动项在终端里输入： sudogedit /boot/grub/grub.cfg先装 windows 而后装 linux 系统，默认启动项会非常多，执行上面的命令后，会打开一个文档，里面代码如下： -( 这些小横线是我自己加的)# # DO NOT EDIT THIS FILE # # It is automatically generated by /usr/sbin/grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # # BE

2、GIN /etc/grub.d/00_header # if -s $prefix/grubenv ; then load_env fi set default=8if $prev_saved_entry ; then set saved_entry=$prev_saved_entry save_envsaved_entry set prev_saved_entry= save_envprev_saved_entry set boot_once=true fi function savedefault if -z $boot_once ; then saved_entry=$chosen sa

3、ve_envsaved_entry fi function recordfail set recordfail=1 if -n $have_grubenv ; then if -z $boot_once ; then save_envrecordfail; fi; fi insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=640 x48

4、0 insmodgfxterm 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 7 页 - - - - - - - - - insmodvbe if terminal_outputgfxterm ; then true ; else # For backward compatibility with versions of terminal.mod that dont # understand terminal_output terminal gfxterm fi fi

5、insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f set locale_dir=($root)/boot/grub/locale set lang=zh insmodgettext if $recordfail = 1 ; then set timeout=-1 else set timeout=10fi # END /etc/grub.d/00_header # # BEGIN /etc/grub.d/05_debian_theme # set m

6、enu_color_normal=white/black set menu_color_highlight=black/light-gray # END /etc/grub.d/05_debian_theme # # BEGIN /etc/grub.d/10_linux # menuentry Ubuntu, with Linux 2.6.32-31-generic -class ubuntu -class gnu-linux -class gnu -class os recordfail insmod ext2 set root=(hd0,9) search -no-floppy -fs-u

7、uid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux /boot/vmlinuz-2.6.32-31-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro quiet splash initrd /boot/initrd.img-2.6.32-31-generic menuentry Ubuntu, with Linux 2.6.32-31-generic (recovery mode) -class ubuntu -class gnu-linux -class gnu -class

8、 os recordfail insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f echo Loading Linux 2.6.32-31-generic . linux /boot/vmlinuz-2.6.32-31-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - -

9、- 第 2 页，共 7 页 - - - - - - - - - eebca82bea0f ro single echo Loading initial ramdisk . initrd /boot/initrd.img-2.6.32-31-generic menuentry Ubuntu, with Linux 2.6.32-30-generic -class ubuntu -class gnu-linux -class gnu -class os recordfail insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set f

10、d9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux /boot/vmlinuz-2.6.32-30-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro quiet splash initrd /boot/initrd.img-2.6.32-30-generic menuentry Ubuntu, with Linux 2.6.32-30-generic (recovery mode) -class ubuntu -class gnu-linux -class gnu -class os record

11、fail insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f echo Loading Linux 2.6.32-30-generic . linux /boot/vmlinuz-2.6.32-30-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro single echo Loading initial ramdisk . initrd /boot/initrd.img-2.6.32-3

12、0-generic insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux /boot/vmlinuz-2.6.32-24-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro quiet splash initrd /boot/initrd.img-2.6.32-24-generic menuentry Ubuntu, with Linux 2.6.32-24-generic (r

13、ecovery mode) -class ubuntu -class gnu-linux -class gnu -class os recordfail insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f echo Loading Linux 2.6.32-24-generic . linux /boot/vmlinuz-2.6.32-24-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f r

14、o single echo Loading initial ramdisk . initrd /boot/initrd.img-2.6.32-24-generic 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 7 页 - - - - - - - - - # END /etc/grub.d/10_linux # # BEGIN /etc/grub.d/20_memtest86+ # menuentry Memory test (memtest86+) insmodext2

15、 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux16 /boot/memtest86+.bin menuentry Memory test (memtest86+, serial console 115200) insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux16 /boot/memtest86+.bin

16、 console=ttyS0,115200n8 # END /etc/grub.d/20_memtest86+ # # BEGIN /etc/grub.d/30_os-prober # menuentry Windows 7 (loader) (on /dev/sda1) insmodntfs set root=(hd0,1) search -no-floppy -fs-uuid -set de1ca47d1ca45277 chainloader +1 # END /etc/grub.d/30_os-prober # # BEGIN /etc/grub.d/40_custom # # This

17、 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 # menuentry Ubuntu, with Linux 2.6.32-24-generic -class ubuntu -class gnu-linux -class gnu -class

18、 os recordfail insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux /boot/vmlinuz-2.6.32-24-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro quiet splash initrd /boot/initrd.img-2.6.32-24-generic menuentry Ubuntu, with Linux 2.6.32-24-gener

19、ic (recovery mode) -class ubuntu -class gnu-linux -class gnu -class os recordfail 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 7 页 - - - - - - - - - insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f echo Loading

20、 Linux 2.6.32-24-generic . linux /boot/vmlinuz-2.6.32-24-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro single echo Loading initial ramdisk . initrd /boot/initrd.img-2.6.32-24-generic # END /etc/grub.d/10_linux # # BEGIN /etc/grub.d/20_memtest86+ # menuentry Memory test (memtest86+) insmo

21、d ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux16 /boot/memtest86+.bin menuentry Memory test (memtest86+, serial console 115200) insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f linux16 /boot/memtest8

22、6+.bin console=ttyS0,115200n8 # END /etc/grub.d/20_memtest86+ # # BEGIN /etc/grub.d/30_os-prober # menuentry Windows 7 (loader) (on /dev/sda1) insmodntfs set root=(hd0,1) search -no-floppy -fs-uuid -set de1ca47d1ca45277 chainloader +1 # END /etc/grub.d/30_os-prober # # BEGIN /etc/grub.d/40_custom #

23、# 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 #-如上所示，每一个menuentry 表示一个启动项，如：名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心

24、整理 - - - - - - - 第 5 页，共 7 页 - - - - - - - - - menuentry Windows 7 (loader) (on /dev/sda1) insmodntfs set root=(hd0,1) search -no-floppy -fs-uuid -set de1ca47d1ca45277 chainloader +1表示 win7 的启动项，处于最后一个（本人计算机共有9 个启动项，一般的也可能是 7 个等等） 。若想修改启动项，只需将红色标记的部分中的数字做个修改，如 set default=8 表示默认启动项是列表中的第九个，即本人计算机中的w

25、in7 系统， “0”表示启动项列表中的第一个。蓝色标记的部分set timeout=10表示留 10 秒的时间供用户选择。当然了，如果嫌启动项太多太麻烦，只需将menuentry 及其后面大括号所包含的部分删除，则相应的启动项就不会在启动时出现。还可以采取另外一种办法：将包含 win7 启动项的部分# BEGIN /etc/grub.d/30_os-prober # menuentry Windows 7 (loader) (on /dev/sda1) insmodntfs set root=(hd0,1) search -no-floppy -fs-uuid -set de1ca47d1c

26、a45277 chainloader +1 # END /etc/grub.d/30_os-prober #整个地放到一下部分的前面：# BEGIN /etc/grub.d/10_linux # menuentry Ubuntu, with Linux 2.6.32-31-generic -class ubuntu -class gnu-linux -class gnu -class os recordfail insmod ext2 set root=(hd0,9) search -no-floppy -fs-uuid -set fd9c0f6c-5c20-4d95-b3f4-eebca82

27、bea0f linux /boot/vmlinuz-2.6.32-31-generic root=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0f ro quiet splash initrd /boot/initrd.img-2.6.32-31-generic 。 。 。 。 。 （在这里省略了）# END /etc/grub.d/10_linux #（注：此时 set default=0 不需要修改，因为此时win7 已经排在第一个了，至于其他的很多启动项，反正在后面，不需要管它们。）名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 7 页 - - - - - - - - - 最后一种方法：其实不用那么麻烦，要解决启动项问题，你只要新立得安装startupmanager “ 系统 ”“系统管理 ”“启动管理器 ” 即可进行设置不仅可以选择默认启动项，还可以选择等待时间名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 7 页，共 7 页 - - - - - - - - -