Grub- und Linux-Image-Problem?

Grub- und Linux-Image-Problem?

Ich habe dieses Problem jetzt schon seit einiger Zeit und kann nicht herausfinden, wie ich es beheben kann, da ich relativ neu bei Linux bin. Immer wenn ich versuche, etwas über das Terminal zu installieren, lande ich gegen Ende mit diesen Zeilen:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
wget is already the newest version (1.20.3-1ubuntu1).
wget set to manually installed.
build-essential is already the newest version (12.8ubuntu1.1).
build-essential set to manually installed.
libssl-dev is already the newest version (1.1.1f-1ubuntu2.4).
libssl-dev set to manually installed.
The following package was automatically installed and is no longer required:
  linux-modules-5.8.0-49-generic
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
  libncurses-dev libnspr4-dev
Suggested packages:
  ncurses-doc readline-doc
The following packages will be REMOVED:
  linux-image-5.8.0-49-generic
The following NEW packages will be installed:
  libffi-dev libgdbm-dev libncurses-dev libncurses5-dev libnspr4-dev libnss3-dev libreadline-dev zlib1g-dev
0 upgraded, 8 newly installed, 1 to remove and 7 not upgraded.
3 not fully installed or removed.
Need to get 1.214 kB of archives.
After this operation, 2.901 kB disk space will be freed.
Do you want to continue? [Y/n] y
Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 libgdbm-dev amd64 1.18.1-5 [83,4 kB]
Get:2 http://archive.ubuntu.com/ubuntu focal/main amd64 libncurses-dev amd64 6.2-0ubuntu2 [339 kB]
Get:3 http://archive.ubuntu.com/ubuntu focal/main amd64 libncurses5-dev amd64 6.2-0ubuntu2 [976 B]
Get:4 http://archive.ubuntu.com/ubuntu focal/main amd64 libnspr4-dev amd64 2:4.25-1 [206 kB]
Get:5 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 libnss3-dev amd64 2:3.49.1-1ubuntu1.5 [231 kB]
Get:6 http://archive.ubuntu.com/ubuntu focal/main amd64 libreadline-dev amd64 8.0-4 [141 kB]
Get:7 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 zlib1g-dev amd64 1:1.2.11.dfsg-2ubuntu1.2 [155 kB]
Get:8 http://archive.ubuntu.com/ubuntu focal/main amd64 libffi-dev amd64 3.3-4 [57,0 kB]
Fetched 1.214 kB in 0s (2.750 kB/s)   
(Reading database ... 290766 files and directories currently installed.)
Removing linux-image-5.8.0-49-generic (5.8.0-49.55~20.04.1) ...
/etc/kernel/postrm.d/initramfs-tools:
update-initramfs: Deleting /boot/initrd.img-5.8.0-49-generic
/etc/kernel/postrm.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Script `/boot/grub/grub.cfg.new' contains no commands and will do nothing
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub/grub.cfg.new file attached.
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-5.8.0-49-generic (--remove):
 installed linux-image-5.8.0-49-generic package post-removal script subprocess returned error exit status 1
dpkg: too many errors, stopping
Errors were encountered while processing:
 linux-image-5.8.0-49-generic
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)

Leider wird mir die Fehlerzeilennummer nicht angezeigt, daher weiß ich nicht, wonach ich überhaupt suchen soll.

Dies ist der Inhalt meines /etc/default/grub:

GNU nano 4.8                                                                                 /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=0
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_DISABLGNU nano 4.8                                                                                 /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=0
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"E_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"

Ich weiß nicht, ob das hilft, aber nur für den Fall ... Wenn ich laufe:

sudo nano /etc/grub.d/*

nano öffnet sich und gibt unten diese Meldung aus:

[ Directory '/etc/grub.d' does not exist ]

And `dpkg -C`:
The following packages are only half configured, probably due to problems
configuring them the first time.  The configuration should be retried using
dpkg --configure <package> or the configure menu option in dselect:
 grub-pc              GRand Unified Bootloader, version 2 (PC/BIOS version)
 linux-image-5.8.0-53-generic Signed kernel image generic

The following packages are only half installed, due to problems during
installation.  The installation can probably be completed by retrying it;
the packages can be removed using dselect or dpkg --remove:
 linux-image-5.8.0-49-generic Signed kernel image generic

Das Ausführen der Befehle dpkg --configurefür grub-pcund linux-image, wie in der obigen Ausgabe vorgeschlagen, ergibt:

$ sudo dpkg --configure grub-pc
[sudo] password for reagan: 
Setting up grub-pc (2.04-1ubuntu26.11) ...
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Script `/boot/grub/grub.cfg.new' contains no commands and will do nothing
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub/grub.cfg.new file attached.
dpkg: error processing package grub-pc (--configure):
 installed grub-pc package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 grub-pc

$ sudo dpkg --configure linux-image-5.8.0-53-generic
    Setting up linux-image-5.8.0-53-generic (5.8.0-53.60~20.04.1) ...
    Processing triggers for linux-image-5.8.0-53-generic (5.8.0-53.60~20.04.1) ...
    /etc/kernel/postinst.d/dkms:
     * dkms: running auto installation service for kernel 5.8.0-53-generic
       ...done.
    /etc/kernel/postinst.d/initramfs-tools:
    update-initramfs: Generating /boot/initrd.img-5.8.0-53-generic
    /etc/kernel/postinst.d/zz-update-grub:
    Sourcing file `/etc/default/grub'
    Sourcing file `/etc/default/grub.d/init-select.cfg'
    Generating grub configuration file ...
    Script `/boot/grub/grub.cfg.new' contains no commands and will do nothing
    Syntax errors are detected in generated GRUB config file.
    Ensure that there are no errors in /etc/default/grub
    and /etc/grub.d/* files or please file a bug report with
    /boot/grub/grub.cfg.new file attached.
    run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
    dpkg: error processing package linux-image-5.8.0-53-generic (--configure):
     installed linux-image-5.8.0-53-generic package post-installation script subprocess returned error exit status 1
    Errors were encountered while processing:
     linux-image-5.8.0-53-generic

Beim Ausführen nano /boot/grub/grub.cfg.new:

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#








             [ File '/boot/grub/grub.cfg.new' is unwritable ]

Beim Ausführen nano /boot/grub/grub.cfghandelt es sich um dasselbe plus eine große Liste von if...elseAnweisungen.

Antwort1

Entfernen Sie die erste Zeile in /etc/default/grub:

GNU nano 4.8                                                                                 /etc/default/grub                                                                                           

Das gehört da nicht hin. Es gibt eine weitere ähnliche Zeile in Zeile 28, aber sie ist kommentiert und schadet nicht.

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