ubuntu@ubuntu:~$ sudo apt update
Ign:1 cdrom://Ubuntu 20.04.4 LTS _Focal Fossa_ - Release amd64 (20220223) focal InRelease
Hit:2 cdrom://Ubuntu 20.04.4 LTS _Focal Fossa_ - Release amd64 (20220223) focal Release
Hit:4 http://archive.ubuntu.com/ubuntu focal InRelease
Get:5 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Get:6 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Get:7 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages [2,604 kB]
Get:8 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages [2,994 kB]
Get:9 http://security.ubuntu.com/ubuntu focal-security/main Translation-en [402 kB]
Get:10 http://security.ubuntu.com/ubuntu focal-security/main amd64 DEP-11 Metadata [59.9 kB]
Get:11 http://security.ubuntu.com/ubuntu focal-security/main DEP-11 48x48 Icons [18.9 kB]
Get:12 http://security.ubuntu.com/ubuntu focal-security/main DEP-11 64x64 Icons [36.0 kB]
Get:13 http://archive.ubuntu.com/ubuntu focal-updates/main Translation-en [484 kB]
Get:14 http://security.ubuntu.com/ubuntu focal-security/main amd64 c-n-f Metadata [13.2 kB]
Get:15 http://security.ubuntu.com/ubuntu focal-security/restricted amd64 Packages [2,411 kB]
Get:16 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 DEP-11 Metadata [275 kB]
Get:17 http://archive.ubuntu.com/ubuntu focal-updates/main DEP-11 48x48 Icons [60.8 kB]
Get:18 http://archive.ubuntu.com/ubuntu focal-updates/main DEP-11 64x64 Icons [98.3 kB]
Get:19 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 c-n-f Metadata [17.2 kB]
Get:20 http://archive.ubuntu.com/ubuntu focal-updates/restricted amd64 Packages [2,528 kB]
Get:21 http://security.ubuntu.com/ubuntu focal-security/restricted Translation-en [336 kB]
Get:22 http://security.ubuntu.com/ubuntu focal-security/restricted amd64 c-n-f Metadata [552 B]
Get:23 http://archive.ubuntu.com/ubuntu focal-updates/restricted Translation-en [353 kB]
Get:24 http://archive.ubuntu.com/ubuntu focal-updates/restricted amd64 c-n-f Metadata [552 B]
Fetched 12.9 MB in 5s (2,635 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
560 packages can be upgraded. Run 'apt list --upgradable' to see them.
ubuntu@ubuntu:~$ sudo apt install kmod
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libkmod2
The following packages will be upgraded:
  kmod libkmod2
2 upgraded, 0 newly installed, 0 to remove and 558 not upgraded.
Need to get 140 kB of archives.
After this operation, 8,192 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 kmod amd64 27-1ubuntu2.1 [94.8 kB]
Get:2 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 libkmod2 amd64 27-1ubuntu2.1 [45.3 kB]
Fetched 140 kB in 1s (117 kB/s)
(Reading database ... 187727 files and directories currently installed.)
Preparing to unpack .../kmod_27-1ubuntu2.1_amd64.deb ...
Unpacking kmod (27-1ubuntu2.1) over (27-1ubuntu2) ...
Preparing to unpack .../libkmod2_27-1ubuntu2.1_amd64.deb ...
Unpacking libkmod2:amd64 (27-1ubuntu2.1) over (27-1ubuntu2) ...
Setting up libkmod2:amd64 (27-1ubuntu2.1) ...
Setting up kmod (27-1ubuntu2.1) ...
update-initramfs is disabled since running on read-only media
Processing triggers for libc-bin (2.31-0ubuntu9.2) ...
Processing triggers for systemd (245.4-4ubuntu3.15) ...
Processing triggers for man-db (2.9.1-1) ...
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/loop0: 2.13 GiB, 2285019136 bytes, 4462928 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop1: 4 KiB, 4096 bytes, 8 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop2: 61.93 MiB, 64917504 bytes, 126792 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop3: 65.22 MiB, 68378624 bytes, 133552 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop4: 54.24 MiB, 56872960 bytes, 111080 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop5: 248.78 MiB, 260841472 bytes, 509456 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop6: 43.6 MiB, 45703168 bytes, 89264 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sda: 232.91 GiB, 250059350016 bytes, 488397168 sectors
Disk model: Samsung SSD 860
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 2614F8D0-9E74-463D-BAED-D38134529D4D

Device         Start       End   Sectors   Size Type
/dev/sda1       2048   1085439   1083392   529M Windows recovery environment
/dev/sda2    1085440   1288191    202752    99M EFI System
/dev/sda3    1288192   1320959     32768    16M Microsoft reserved
/dev/sda4    1320960 234304693 232983734 111.1G Microsoft basic data
/dev/sda5  234305536 235417599   1112064   543M Windows recovery environment
/dev/sda6  235419648 488396799 252977152 120.6G Linux filesystem


Disk /dev/sdb: 14.66 GiB, 15728640000 bytes, 30720000 sectors
Disk model:
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x003adf88

Device     Boot Start      End  Sectors  Size Id Type
/dev/sdb1  *     2048 30719999 30717952 14.7G  c W95 FAT32 (LBA)
ubuntu@ubuntu:~$ sudo mount /dev/sda6 /mnt
ubuntu@ubuntu:~$ sudo mount --bind /dev /mnt/dev
ubuntu@ubuntu:~$ sudo mount --bind /dev/pts /mnt/dev/pts
ubuntu@ubuntu:~$ sudo mount --bind /proc /mnt/proc
ubuntu@ubuntu:~$ sudo mount --bind /sys /mnt/sys
\ubuntu@ubuntu:~$
ubuntu@ubuntu:~$ sudo mount /dev/sda6 /mnt/boot
ubuntu@ubuntu:~$ sudo chroot /mnt
root@ubuntu:/# ls boot/lib/mo
modprobe.d/     modules/        modules-load.d/ mozilla/
root@ubuntu:/# ls boot/lib/modules
5.11.0-27-generic  5.13.0-41-generic  5.15.0-57-generic  5.15.0-78-generic
5.11.0-46-generic  5.13.0-44-generic  5.15.0-58-generic  5.15.0-79-generic
5.13.0-25-generic  5.13.0-48-generic  5.15.0-60-generic  5.15.0-82-generic
5.13.0-27-generic  5.13.0-51-generic  5.15.0-67-generic  5.15.0-83-generic
5.13.0-28-generic  5.13.0-52-generic  5.15.0-69-generic  5.15.0-84-generic
5.13.0-30-generic  5.15.0-41-generic  5.15.0-70-generic  5.15.0-86-generic
5.13.0-35-generic  5.15.0-43-generic  5.15.0-71-generic  5.15.0-87-generic
5.13.0-37-generic  5.15.0-52-generic  5.15.0-72-generic  5.15.0-88-generic
5.13.0-39-generic  5.15.0-53-generic  5.15.0-75-generic  5.15.0-89-generic
5.13.0-40-generic  5.15.0-56-generic  5.15.0-76-generic  kernel
root@ubuntu:/# update-initramfs -u -k 5.15.0-88-generic
update-initramfs: Generating /boot/initrd.img-5.15.0-88-generic
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
E: /usr/share/initramfs-tools/hooks/fuse failed with return 1.
update-initramfs: failed for /boot/initrd.img-5.15.0-88-generic with 1.
root@ubuntu:/# sudo apt update
sudo: unable to resolve host ubuntu: Temporary failure in name resolution
오류:1 http://ftp.daumkakao.com/ubuntu focal InRelease
  'ftp.daumkakao.com'의 주소를 알아내는데 임시로 실패했습니다 (Temporarily failed to determine the address of 'ftp.daumkakao.com')
오류:2 http://security.ubuntu.com/ubuntu focal-security InRelease
  'security.ubuntu.com'의 주소를 알아내는데 임시로 실패했습니다  ( Temporarily failed to resolve the address of 'security.ubuntu.com')
오류:3 https://dl.google.com/linux/chrome/deb stable InRelease
  'dl.google.com'의 주소를 알아내는데 임시로 실패했습니다
오류:4 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu focal InRelease
  'ppa.launchpad.net'의 주소를 알아내는데 임시로 실패했습니다
오류:5 https://deb.nodesource.com/node_16.x focal InRelease
  'deb.nodesource.com'의 주소를 알아내는데 임시로 실패했습니다
오류:6 https://download.sublimetext.com apt/stable/ InRelease
  'download.sublimetext.com'의 주소를 알아내는데 임시로 실패했습니다
오류:7 https://linux.teamviewer.com/deb stable InRelease
  'linux.teamviewer.com'의 주소를 알아내는데 임시로 실패했습니다
오류:8 http://packages.microsoft.com/repos/code stable InRelease
  'packages.microsoft.com'의 주소를 알아내는데 임시로 실패했습니다
오류:9 http://ppa.launchpad.net/libreoffice/ppa/ubuntu focal InRelease
  'ppa.launchpad.net'의 주소를 알아내는데 임시로 실패했습니다
오류:10 http://ppa.launchpad.net/maarten-baert/simplescreenrecorder/ubuntu focal InRelease
  'ppa.launchpad.net'의 주소를 알아내는데 임시로 실패했습니다
패키지 목록을 읽는 중입니다... 완료 ( Saving your packing list... )
의존성 트리를 만드는 중입니다       ( I'm creating a tree that depends )
상태 정보를 읽는 중입니다... 완료   ( Sending status information... )
1 패키지를 업그레이드할 수 있습니다. 확인하려면 'apt list --upgradable'를 실행하십시오.
W: http://ftp.daumkakao.com/ubuntu/dists/focal/InRelease 파일을 받는데 실패했습니다  'ftp.daumkakao.com'의 주소를 알아내는데 임시로 실패했습니다
W: http://security.ubuntu.com/ubuntu/dists/focal-security/InRelease 파일을 받는데 실패했습니다  'security.ubuntu.com'의 주소를 알아내는데 임시로 실패했습니다
W: https://dl.google.com/linux/chrome/deb/dists/stable/InRelease 파일을 받는데 실패했습니다  'dl.google.com'의 주소를 알아내는데 임시로 실패했습니다
W: http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu/dists/focal/InRelease 파일을 받는데 실패했습니다  'ppa.launchpad.net'의 주소를 알아내는데 임시로 실패했습니다
W: http://ppa.launchpad.net/libreoffice/ppa/ubuntu/dists/focal/InRelease 파일을 받는데 실패했습니다  'ppa.launchpad.net'의 주소를 알아내는데 임시로 실패했습니다
W: http://ppa.launchpad.net/maarten-baert/simplescreenrecorder/ubuntu/dists/focal/InRelease 파일을 받는데 실패했습니다  'ppa.launchpad.net'의 주소를 알아내는데 임시로 실패했습니다
W: https://deb.nodesource.com/node_16.x/dists/focal/InRelease 파일을 받는데 실패했습니다  'deb.nodesource.com'의 주소를 알아내는데 임시로 실패했습니다
W: https://download.sublimetext.com/apt/stable/InRelease 파일을 받는데 실패했습니다  'download.sublimetext.com'의 주소를 알아내는데 임시로 실패했습니다
W: https://linux.teamviewer.com/deb/dists/stable/InRelease 파일을 받는데 실패했습니다  'linux.teamviewer.com'의 주소를 알아내는데 임시로 실패했습니다
W: http://packages.microsoft.com/repos/code/dists/stable/InRelease 파일을 받는데 실패했습니다  'packages.microsoft.com'의 주소를 알아내는데 임시로 실패했습니다
W: Some index files failed to download. They have been ignored, or old ones used instead.
root@ubuntu:/# sudo apt install kmod
sudo: unable to resolve host ubuntu: Temporary failure in name resolution
패키지 목록을 읽는 중입니다... 완료 ( Saving your packing list... )
의존성 트리를 만드는 중입니다       ( I'm creating a tree that depends )
상태 정보를 읽는 중입니다... 완료   ( Sending status information... )
패키지 kmod는 이미 최신 버전입니다 (27-1ubuntu2.1). ( Package kmod is already up to date (27-1ubuntu2.1). )
kmod 패키지는 수동설치로 지정합니다. ( kmod-certified devices are installed manually. )
0개 업그레이드, 0개 새로 설치, 0개 제거 및 1개 업그레이드 안 함. ( 0 upgraded, 0 newly installed, 0 removed and 1 did not upgrade.)
root@ubuntu:/# update-initramfs -u -k 5.15.0-88-generic
update-initramfs: Generating /boot/initrd.img-5.15.0-88-generic
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
/usr/sbin/mkinitramfs: 75: modprobe: not found
/usr/sbin/mkinitramfs: 76: modprobe: not found
E: /usr/share/initramfs-tools/hooks/fuse failed with return 1.
update-initramfs: failed for /boot/initrd.img-5.15.0-88-generic with 1.
root@ubuntu:/#