mirror of
https://github.com/bin456789/reinstall.git
synced 2025-01-18 20:39:14 +08:00
66 lines
1.7 KiB
Bash
66 lines
1.7 KiB
Bash
|
#!/bin/bash
|
||
|
|
|
||
|
|
# todo 设置各种参数，例如是否自动安装
|
||
|
|
localtest=0
|
||
|
|
if [ $localtest == 1 ]; then
|
||
|
|
vmlinuz=http://192.168.43.139/images/pxeboot/vmlinuz
|
||
|
|
initrd=http://192.168.43.139/images/pxeboot/initrd.img
|
||
|
|
squashfs=http://192.168.43.139/LiveOS/squashfs.img
|
||
|
|
ks=http://192.168.43.139/ks-cd.cfg
|
||
|
|
else
|
||
|
|
site=$(curl -L "http://mirrorlist.centos.org/?release=7&repo=os&arch=x86_64" | head -1)
|
||
|
|
vmlinuz=${site}images/pxeboot/vmlinuz
|
||
|
|
initrd=${site}images/pxeboot/initrd.img
|
||
|
|
squashfs=${site}LiveOS/squashfs.img
|
||
|
|
|
||
|
|
ks=https://xxx.com/ks.cfg
|
||
|
|
fi
|
||
|
|
|
||
|
|
# 获取系统盘信息
|
||
|
|
root_name=$(lsblk -l -o NAME,UUID,TYPE,MOUNTPOINT | tr -s ' ' | grep '/$' | cut -d ' ' -f1)
|
||
|
|
root_uuid=$(lsblk -l -o NAME,UUID,TYPE,MOUNTPOINT | tr -s ' ' | grep '/$' | cut -d ' ' -f2)
|
||
|
|
root_type=$(lsblk -l -o NAME,UUID,TYPE,MOUNTPOINT | tr -s ' ' | grep '/$' | cut -d ' ' -f3)
|
||
|
|
|
||
|
|
# 清除之前的自定义启动条目
|
||
|
|
sed -i '3,$d' /etc/grub.d/40_custom
|
||
|
|
|
||
|
|
# 下载启动内核
|
||
|
|
cd /
|
||
|
|
curl -LO $vmlinuz
|
||
|
|
curl -LO $initrd
|
||
|
|
cd -
|
||
|
|
|
||
|
|
if [ -d /sys/firmware/efi ]; then
|
||
|
|
action='efi'
|
||
|
|
else
|
||
|
|
action='16'
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ $root_type == "lvm" ]; then
|
||
|
|
cat <<EOF >>/etc/grub.d/40_custom
|
||
|
|
menuentry "reinstall" {
|
||
|
|
insmod lvm
|
||
|
|
insmod xfs
|
||
|
|
set root=(lvm/$root_name)
|
||
|
|
linux$action /vmlinuz root=live:$squashfs inst.ks=$ks
|
||
|
|
initrd$action /initrd.img
|
||
|
|
}
|
||
|
|
EOF
|
||
|
|
|
||
|
|
else
|
||
|
|
cat <<EOF >>/etc/grub.d/40_custom
|
||
|
|
menuentry "reinstall" {
|
||
|
|
insmod xfs
|
||
|
|
search --no-floppy --fs-uuid --set=root $root_uuid
|
||
|
|
linux$action /vmlinuz root=live:$squashfs inst.ks=$ks
|
||
|
|
initrd$action /initrd.img
|
||
|
|
}
|
||
|
|
EOF
|
||
|
|
fi
|
||
|
|
|
||
|
|
grub_cfg=$(find /boot -type f -name grub.cfg)
|
||
|
|
grub-mkconfig -o $grub_cfg || grub2-mkconfig -o $grub_cfg
|
||
|
|
grub-reboot reinstall || grub2-reboot reinstall
|
||
|
|
cat $grub_cfg
|
||
|
|
# reboot
|