[工具] Shell 自动化部署 GRUB2 Bootloader 密码（openSUSE & SLE 版）

介绍：

作者：朱明宇
名称：自动化部署 GRUB2 Bootloader 密码（openSUSE & SLE 版）
作用：自动化部署 GRUB2 Bootloader 密码（openSUSE & SLE 版）

使用方法：
1. 给此脚本添加执行权限
2. 执行此脚本
3. 当启动系统时，左下角出现以下内容时按下 “E”：
C: Command Line    E: Edit Entry

注意：
1. 登陆的账号是 root
2. 登陆的密码是 eternalcenter

脚本：

#!/bin/bash

echo "#!/bin/sh
exec tail -n +3 \$0
# 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.
set superusers=\"root\"
password_pbkdf2 root grub.pbkdf2.sha512.10000.B857B79D02FF55CA3A69B8485C1A4A427424630C804CC8A89134520A34E056D7882A778F6BC8AD856CB95DF8B99BE25F9FEAD899D826BB3915FB20BAD682D10A.4A1CF49B7F815A0578031CCA2CE98C66BDFBEAB0AE2721531BB54AFC6CFFA990FBD9062F41C006376C283B717FEC1BD9BB1AFB882AF91B5F4A812459D7974D1F
export superusers
set unrestricted_menu=\"y\"
export unrestricted_menu" > /etc/grub.d/40_custom

grep "rd.shell=0" /etc/default/grub
if [ $? -ne 0 ];then
        sed -i '/GRUB_CMDLINE_LINUX_DEFAULT="/s/"$/ rd.shell=0"/' /etc/default/grub
fi

grep "showopts" /etc/default/grub
if [ $? -ne 0 ];then
        sed -i '/GRUB_CMDLINE_LINUX_DEFAULT="/s/"$/ showopts"/' /etc/default/grub
fi

grep "LANG=C" /etc/default/grub
if [ $? -ne 0 ];then
        sed -i '/GRUB_CMDLINE_LINUX_DEFAULT="/s/"$/ LANG=C"/' /etc/default/grub
fi

grub2-mkconfig -o /boot/grub2/grub.cfg