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更新时遇到“/usr/sbin/grub-mkconfig: 8: /etc/default/grub: 4: not found”错误

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更新时遇到“/usr/sbin/grub-mkconfig: 8: /etc/default/grub: 4: not found”错误

每当我使用

sudo apt-get upgrade

我收到以下错误：

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages will be REMOVED:
  linux-image-4.15.0-46-generic
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 8,311 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 256191 files and directories currently installed.)
Removing linux-image-4.15.0-46-generic (4.15.0-46.49) ...
/etc/kernel/postrm.d/initramfs-tools:
update-initramfs: Deleting /boot/initrd.img-4.15.0-46-generic
/etc/kernel/postrm.d/zz-update-grub:
Sourcing file `/etc/default/grub'
/usr/sbin/grub-mkconfig: 8: /etc/default/grub: 4: not found
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 127
dpkg: error processing package linux-image-4.15.0-46-generic (--remove):
 installed linux-image-4.15.0-46-generic package post-removal script subprocess returned error exit status 1
Errors were encountered while processing:
 linux-image-4.15.0-46-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)

输出cat /etc/default/grub：

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT= 4
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"

答案1

这些错误是由于第 8 行中的空格造成的/etc/默认/grub文件。GRUB 会认为它是某种参数，而不是值。您需要将其删除。

  • 打开/etc/默认/grubsudo使用 nano（或 pico，随你喜欢）的特权

    sudo nano /etc/default/grub
  • 删除第 8 行之前的空格4
  • Ctrl使用+保存文件X，然后Y

  • 更新 GRUB

    sudo update-grub
  • 重试autoremove命令

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