sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
grub-common grub-pc grub-pc-bin grub2-common
4 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,540 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 grub-pc amd64 2.04-1ubuntu26.2 [125 kB]
Get:2 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 grub2-common amd64 2.04-1ubuntu26.2 [590 kB]
Get:3 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 grub-pc-bin amd64 2.04-1ubuntu26.2 [971 kB]
Get:4 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 grub-common amd64 2.04-1ubuntu26.2 [1,855 kB]
Fetched 3,540 kB in 3s (1,157 kB/s)
Preconfiguring packages ...
(Reading database ... 179313 files and directories currently installed.)
Preparing to unpack .../grub-pc_2.04-1ubuntu26.2_amd64.deb ...
Unpacking grub-pc (2.04-1ubuntu26.2) over (2.04-1ubuntu26.1) ...
Preparing to unpack .../grub2-common_2.04-1ubuntu26.2_amd64.deb ...
Unpacking grub2-common (2.04-1ubuntu26.2) over (2.04-1ubuntu26.1) ...
Preparing to unpack .../grub-pc-bin_2.04-1ubuntu26.2_amd64.deb ...
Unpacking grub-pc-bin (2.04-1ubuntu26.2) over (2.04-1ubuntu26.1) ...
Preparing to unpack .../grub-common_2.04-1ubuntu26.2_amd64.deb ...
Unpacking grub-common (2.04-1ubuntu26.2) over (2.04-1ubuntu26.1) ...
Setting up grub-common (2.04-1ubuntu26.2) ...
update-rc.d: warning: start and stop actions are no longer supported; falling ba
ck to defaults
Setting up grub2-common (2.04-1ubuntu26.2) ...
Setting up grub-pc-bin (2.04-1ubuntu26.2) ...
Setting up grub-pc (2.04-1ubuntu26.2) ...
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found linux image: /boot/vmlinuz-5.4.0-40-generic
Found initrd image: /boot/initrd.img-5.4.0-40-generic
Found memtest86+ image: /memtest86+.elf
Found memtest86+ image: /memtest86+.bin
done
Processing triggers for systemd (245.4-4ubuntu3.2) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for install-info (6.7.0.dfsg.2-5) ...
older command
sudo apt upgrade
The following package was automatically installed and is no longer required:
libcdk5nc6
Use 'sudo apt autoremove' to remove it.
The following packages will be upgraded:
grub-common grub-pc grub-pc-bin grub2-common
4 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,541 kB of archives.
After this operation, 6,144 B of additional disk space will be used.
update-rc.d: warning: start and stop actions are no longer supported; falling ba
ck to defaults
Setting up grub2-common (2.04-1ubuntu26.1) ...
Setting up grub-pc-bin (2.04-1ubuntu26.1) ...
Setting up grub-pc (2.04-1ubuntu26.1) ...
Installing for i386-pc platform.
grub-install: warning: this GPT partition label contains no BIOS Boot Partition;
embedding won't be possible.
grub-install: warning: Embedding is not possible. GRUB can only be installed in
this setup by using blocklists. However, blocklists are UNRELIABLE and their u
se is discouraged..
Installation finished. No error reported.
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
sudo grub-install
Installing for i386-pc platform.
grub-install: error: install device isn't specified.