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CentOS 7 修改开机顺序

更新时间:2023-05-18 21:18:57 阅读：评论：0

CentOS 7 修改开机顺序

在笔记本电脑安装了win8与centOS 7。按照以往的惯例，安装完centOS时，会在／boot／grub／f里自动加入安装系统前其它系统的引导控制，但是实际上是没有的。

此文不探讨如何将先系统引导加入centOS 7的/boot/grub2/grub.cfg当中。

先查看我电脑上grub.cfg当中的内容如下（注意加粗内容）：

[root@localhost grub2]# cat grub.cfg

# DO NOT EDIT THIS FILE

# It is automatically generated by grub2-mkconfig using templates

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

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

t pager=1

看望病人送什么if [ -s $prefix/grubenv ]; then

load_env

if [ "${next_entry}" ] ; then

t default="${next_entry}"

t next_entry=

save_env next_entry

t boot_once=true

t default="${saved_entry}"

if [ x"${feature_menuentry_id}" = xy ]; then

menuentry_id_option="--id"

menuentry_id_option=""

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then

t saved_entry="${prev_saved_entry}"

save_env saved_entry

t prev_saved_entry=

save_env prev_saved_entry

t boot_once=true

function savedefault {

if [ -z "${boot_once}" ]; then

saved_entry="${chon}"

save_env saved_entry

}

function load_video {

if [ x$feature_all_video_module = xy ]; then

insmod all_video

insmod efi_gop

insmod efi_uga

insmod ieee1275_fb

insmod vbe

insmod vga云遮月

insmod video_bochs

insmod video_cirrus

}

terminal_output console

if [ x$feature_timeout_style = xy ] ; then

t timeout_style=menu

t timeout=5

# Fallback normal timeout code in ca the timeout_style feature is

# unavailable.

t timeout=5我恨我痴心歌词

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

### Begin with windows 8>>

menuentry 'CentOS Linux (3.10.0-123.13.2.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-337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73' {社会公益活动有哪些

load_video

t gfxpayload=keep

insmod gzio

insmod part_msdos

insmod xfs

t root='hd0,msdos2'

if [ x$feature_platform_arch_hint = xy ]; then

arch --no-floppy --fs-uuid --t=root --hint-bios=hd0,msdos2 --hint-efi=hd0,msdos2 --hint-baremetal=ahci0,msdos2 --hint='hd0,msdos2' 337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73

arch --no-floppy --fs-uuid --t=root 337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73

linux16 /boot/vmlinuz-3.10.0-123.13.2.el7.x86_64 root=UUID=337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73 ro vconsole.keymap=us vconsole.font=latarcyrheb-sun16 rhgb quiet LANG=zh_CN.UTF-8

小孩身高体重标准 initrd16 /boot/initramfs-3.10.0-123.13.2.el7.x86_64.img

}

menuentry 'Windows 8(loader)(on /dev/sda1)' --class windows --class or $menuentr

y_id_option 'osprober-chain-140E68540E6830C2'{

insmod part_msdos

苹果蛋挞 insmod ntfs

t root='hd0,msdos1'

chainloader +1

剪切板在哪里}

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

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-337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73' {

load_video

t gfxpayload=keep

insmod gzio

insmod part_msdos

insmod xfs

折御卿 t root='hd0,msdos2'

if [ x$feature_platform_arch_hint = xy ]; then

arch --no-floppy --fs-uuid --t=root --hint-bios=hd0,msdos2 --hint-efi=hd0,msdos2 --hint-baremetal=ahci0,msdos2 --hint='hd0,msdos2' 337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73

arch --no-floppy --fs-uuid --t=root 337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73

linux16 /boot/vmlinuz-3.10.0-123.el7.x86_64 root=UUID=337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73 ro vconsole.keymap=us vconsole.font=latarcyrheb-sun16 rhgb quiet LANG=zh_CN.UTF-8

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

}

menuentry 'CentOS Linux, with Linux 0-rescue-96f17ff7113c494a98433dd3c1be3974' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-0-rescue-96f17ff7113c494a98433dd3c1be3974-advanced-337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73' {

load_video

insmod gzio

insmod part_msdos

insmod xfs

t root='hd0,msdos2'

if [ x$feature_platform_arch_hint = xy ]; then

arch --no-floppy --fs-uuid --t=root --hint-bios=hd0,msdos2 --hint-efi=hd0,msdos2 --hint-baremetal=ahci0,msdos2 --hint='hd0,msdos2' 337b5933-c8eb-4c4e-8e7d-3a1f7aaa1e73

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