Ubuntu 16.04 误删除所有内核,能进入grub2,不能进入系统的修复办法:
进入livecd 将另外一台电脑上的内核文件,用 scp teliute@10.0.5.250:/boot/* ./* 拷贝到本地,vmlinuz 需要用管理员权限,进ssh,用sudo复制到另外一个文件夹,用chmod 755 * 然后可以scp复制过来
代码: 全选
abi-4.4.0-83-generic
config-4.4.0-83-generic
System.map-4.4.0-83-generic
vmlinuz-4.4.0-83-generic
initrd.img-4.4.0-83-generic
修改/boot/grub里的grub.cfg,加入上面文件的引导,分区号改成自己的,uuid改成自己的
代码: 全选
menuentry 'Ubuntu' {
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
linux /boot/vmlinuz-4.4.0-83-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro quiet splash
initrd /boot/initrd.img-4.4.0-83-generic
}
重启后,登录,(进新立得,)重新搜索安装最新版内核
代码: 全选
linux-headers-4.4.0-96 (4.4.0-96.119)
linux-headers-4.4.0-96-generic (4.4.0-96.119)
linux-headers-generic (4.4.0.96.101)
linux-image-4.4.0-96-generic (4.4.0-96.119)
linux-image-extra-4.4.0-96-generic (4.4.0-96.119)
linux-image-generic (4.4.0.96.101)
存一个16.04上的grub.cfg,网速好慢,org已经上不来了
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="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="4"
fi
if [ x"${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_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
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=5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=5
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=7
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-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
linux /boot/vmlinuz-4.4.0-96-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro quiet splash $vt_handoff
initrd /boot/initrd.img-4.4.0-96-generic
}
submenu 'Ubuntu 高级选项' $menuentry_id_option 'gnulinux-advanced-3920776f-91de-4a06-83d7-23bd9a145d03' {
menuentry 'Ubuntu,Linux 4.4.0-96-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-96-generic-advanced-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
echo '载入 Linux 4.4.0-96-generic ...'
linux /boot/vmlinuz-4.4.0-96-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro quiet splash $vt_handoff
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-96-generic
}
menuentry 'Ubuntu, with Linux 4.4.0-96-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-96-generic-init-upstart-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
echo '载入 Linux 4.4.0-96-generic ...'
linux /boot/vmlinuz-4.4.0-96-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro quiet splash $vt_handoff init=/sbin/upstart
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-96-generic
}
menuentry 'Ubuntu, with Linux 4.4.0-96-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-96-generic-recovery-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
echo '载入 Linux 4.4.0-96-generic ...'
linux /boot/vmlinuz-4.4.0-96-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro recovery nomodeset
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-96-generic
}
menuentry 'Ubuntu,Linux 4.4.0-83-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-83-generic-advanced-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
echo '载入 Linux 4.4.0-83-generic ...'
linux /boot/vmlinuz-4.4.0-83-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro quiet splash $vt_handoff
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-83-generic
}
menuentry 'Ubuntu, with Linux 4.4.0-83-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-83-generic-init-upstart-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
echo '载入 Linux 4.4.0-83-generic ...'
linux /boot/vmlinuz-4.4.0-83-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro quiet splash $vt_handoff init=/sbin/upstart
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-83-generic
}
menuentry 'Ubuntu, with Linux 4.4.0-83-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-83-generic-recovery-3920776f-91de-4a06-83d7-23bd9a145d03' {
recordfail
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
echo '载入 Linux 4.4.0-83-generic ...'
linux /boot/vmlinuz-4.4.0-83-generic root=UUID=3920776f-91de-4a06-83d7-23bd9a145d03 ro recovery nomodeset
echo '载入初始化内存盘...'
initrd /boot/initrd.img-4.4.0-83-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry 'Memory test (memtest86+)' {
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
knetbsd /boot/memtest86+.elf
}
menuentry 'Memory test (memtest86+, serial console 115200)' {
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 --hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 3920776f-91de-4a06-83d7-23bd9a145d03
else
search --no-floppy --fs-uuid --set=root 3920776f-91de-4a06-83d7-23bd9a145d03
fi
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 7 (loader) (on /dev/sda1)' --class windows --class os $menuentry_id_option 'osprober-chain-383E4DC53E4D7CBE' {
insmod part_msdos
insmod ntfs
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 383E4DC53E4D7CBE
else
search --no-floppy --fs-uuid --set=root 383E4DC53E4D7CBE
fi
parttool ${root} hidden-
chainloader +1
}
menuentry 'Windows 7 (loader) (on /dev/sda2)' --class windows --class os $menuentry_id_option 'osprober-chain-C6C0F3ADC0F3A23B' {
insmod part_msdos
insmod ntfs
set root='hd0,msdos2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos2 --hint-efi=hd0,msdos2 --hint-baremetal=ahci0,msdos2 C6C0F3ADC0F3A23B
else
search --no-floppy --fs-uuid --set=root C6C0F3ADC0F3A23B
fi
parttool ${root} hidden-
chainloader +1
}
menuentry 'Microsoft Windows XP x86 (on /dev/sda6)' --class windows --class os $menuentry_id_option 'osprober-chain-2842A5AF5C1B96A7' {
insmod part_msdos
insmod ntfs
set root='hd0,msdos6'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6 2842A5AF5C1B96A7
else
search --no-floppy --fs-uuid --set=root 2842A5AF5C1B96A7
fi
parttool ${root} hidden-
drivemap -s (hd0) ${root}
chainloader +1
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
set timeout=10
fi
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### 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 ###