Ubuntu
bind9 package

i can't upgrade system

Asked by 杜宇

root@mysql:~# sudo apt upgrade

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 bind9-dnsutils : Depends: bind9-libs (= 1:9.16.15-1ubuntu1.1) but 1:9.16.15-1ubuntu1.2 is installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).

root@mysql:~# apt --fix-broken install

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
  bind9-dnsutils
The following packages will be upgraded:
  bind9-dnsutils
1 upgraded, 0 newly installed, 0 to remove and 25 not upgraded.
3 not fully installed or removed.
Need to get 0 B/21.4 MB of archives.
After this operation, 1,024 B of additional disk space will be used.
Do you want to continue? [Y/n] y
dpkg: warning: files list file for package 'libctf0:amd64' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'python3-pkg-resources' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'libjpeg8:amd64' missing; assuming package has no files currently installed
(Reading database ... 30 files and directories currently installed.)
Preparing to unpack .../bind9-dnsutils_1%3a9.16.15-1ubuntu1.2_amd64.deb ...
Unpacking bind9-dnsutils (1:9.16.15-1ubuntu1.2) over (1:9.16.15-1ubuntu1.1) ...
dpkg: error processing archive /var/cache/apt/archives/bind9-dnsutils_1%3a9.16.15-1ubuntu1.2_amd64.deb (--unpack):
 unable to make backup link of './usr/bin/nslookup' before installing new version: Operation not permitted
Errors were encountered while processing:
 /var/cache/apt/archives/bind9-dnsutils_1%3a9.16.15-1ubuntu1.2_amd64.deb
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@mysql:~#

Question information

Language:
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Status:
Answered
For:
Ubuntu bind9 Edit question
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Last reply:

This question was originally filed as bug #1968031.

Revision history for this message
Erich Eickmeyer (eeickmeyer) said : 		#1

Thank you for taking the time to report this issue and helping to make Ubuntu better. Examining the information you have given us, this does not appear to be a bug report so we are closing it and converting it to a question in the support tracker. We understand the difficulties you are facing, but it is better to raise problems you are having in the support tracker at https://answers.launchpad.net/ubuntu if you are uncertain if they are bugs. You can also find help with your problem in the support forum of your local Ubuntu community http://loco.ubuntu.com/ or asking at https://askubuntu.com or https://ubuntuforums.org. For help on reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.

Revision history for this message
Manfred Hampl (m-hampl) said : 		#2

For diagnostic purposes please provide the output that you receive for the following commands:

uname -a
lsb_release -crid
sudo apt update
apt-cache policy bind9-dnsutils bind9-libs
sudo dpkg --audit
lsattr /usr/bin/nslookup

Revision history for this message
杜宇 (dygood) said : 		#3

root@mysql:~# uname -a
Linux mysql 5.13.0-35-generic #40-Ubuntu SMP Mon Mar 7 08:03:10 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
root@mysql:~# lsb_release -crid
Distributor ID: Ubuntu
Description: Ubuntu 21.10
Release: 21.10
Codename: impish
root@mysql:~# sudo apt update
Hit:1 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish InRelease
Hit:2 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-updates InRelease
Hit:3 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-backports InRelease
Hit:4 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-security InRelease
Hit:5 https://download.docker.com/linux/ubuntu impish InRelease
Ign:6 https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 InRelease
Ign:6 https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 InRelease
Hit:7 https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 Release
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
28 packages can be upgraded. Run 'apt list --upgradable' to see them.
root@mysql:~# apt-cache policy bind9-dnsutils bind9-libs
bind9-dnsutils:
  Installed: 1:9.16.15-1ubuntu1.1
  Candidate: 1:9.16.15-1ubuntu1.2
  Version table:
     1:9.16.15-1ubuntu1.2 500
        500 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-updates/main amd64 Packages
        500 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-security/main amd64 Packages
 *** 1:9.16.15-1ubuntu1.1 100
        100 /var/lib/dpkg/status
     1:9.16.15-1ubuntu1 500
        500 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish/main amd64 Packages
bind9-libs:
  Installed: 1:9.16.15-1ubuntu1.2
  Candidate: 1:9.16.15-1ubuntu1.2
  Version table:
 *** 1:9.16.15-1ubuntu1.2 500
        500 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-updates/main amd64 Packages
        500 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1:9.16.15-1ubuntu1 500
        500 http://mirrors.tuna.tsinghua.edu.cn/ubuntu impish/main amd64 Packages

Revision history for this message
Manfred Hampl (m-hampl) said : 		#4

Please also show the output of

sudo dpkg --audit
lsattr /usr/bin/nslookup

Revision history for this message
杜宇 (dygood) said : 		#5

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root@mysql:~# sudo lsattr /usr/bin/nslookup
sudo: lsattr: command not found
root@mysql:~#

Revision history for this message
杜宇 (dygood) said : 		#6

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 libtss2-tcti-mssim0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-tcti-swtpm0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libuchardet0:amd64 universal charset detection library - shared library
 libudev1:amd64 libudev shared library
 libudisks2-0:amd64 GObject based library to access udisks2
 libunistring2:amd64 Unicode string library for C
 libunwind8:amd64 library to determine the call-chain of a program - runtim
 libupower-glib3:amd64 abstraction for power management - shared library
 liburcu6:amd64 userspace RCU (read-copy-update) library
 libusb-1.0-0:amd64 userspace USB programming library
 libusbmuxd6:amd64 USB multiplexor daemon for iPhone and iPod Touch devices
 libutempter0:amd64 privileged helper for utmp/wtmp updates (runtime)
 libuuid1:amd64 Universally Unique ID library
 libuv1:amd64 asynchronous event notification library - runtime library
 libvolume-key1 Library for manipulating storage encryption keys and pass
 libwebp6:amd64 Lossy compression of digital photographic images.
 libwrap0:amd64 Wietse Venema's TCP wrappers library
 libx11-6:amd64 X11 client-side library
 libx11-data X11 client-side library
 libx11-xcb1:amd64 Xlib/XCB interface library
 libxau6:amd64 X11 authorisation library
 libxcb-shm0:amd64 X C Binding, shm extension
 libxcb1:amd64 X C Binding
 libxcomposite1:amd64 X11 Composite extension library
 libxdmcp6:amd64 X11 Display Manager Control Protocol library
 libxext6:amd64 X11 miscellaneous extension library
 libxfixes3:amd64 X11 miscellaneous 'fixes' extension library
 libxml2:amd64 GNOME XML library
 libxmlb1:amd64 Binary XML library
 libxmlsec1:amd64 XML security library
 libxmlsec1-openssl:amd64 Openssl engine for the XML security library
 libxmuu1:amd64 X11 miscellaneous micro-utility library
 libxslt1.1:amd64 XSLT 1.0 processing library - runtime library
 libxtables12:amd64 netfilter xtables library
 libxxhash0:amd64 shared library for xxhash
 libyaml-0-2:amd64 Fast YAML 1.1 parser and emitter library
 libzstd1:amd64 fast lossless compression algorithm
 linux-base Linux image base package
 linux-firmware Firmware for Linux kernel drivers
 linux-generic Complete Generic Linux kernel and headers
 linux-headers-5.13.0-28 Header files related to Linux kernel version 5.13.0
 linux-headers-5.13.0-28-generic Linux kernel headers for version 5.13.0 on 64
 linux-headers-5.13.0-30 Header files related to Linux kernel version 5.13.0
 linux-headers-5.13.0-30-generic Linux kernel headers for version 5.13.0 on 64
 linux-headers-5.13.0-35 Header files related to Linux kernel version 5.13.0
 linux-headers-5.13.0-35-generic Linux kernel headers for version 5.13.0 on 64
 linux-headers-generic Generic Linux kernel headers
 linux-image-5.13.0-30-generic Signed kernel image generic
 linux-image-5.13.0-35-generic Signed kernel image generic
 linux-image-generic Generic Linux kernel image
 linux-image-unsigned-5.13.0-28-generic Linux kernel image for version 5.13.0 o
 linux-modules-5.13.0-28-generic Linux kernel extra modules for version 5.13.0
 linux-modules-5.13.0-30-generic Linux kernel extra modules for version 5.13.0
 linux-modules-5.13.0-35-generic Linux kernel extra modules for version 5.13.0
 linux-modules-extra-5.13.0-30-generic Linux kernel extra modules for version 5
 linux-modules-extra-5.13.0-35-generic Linux kernel extra modules for version 5
 locales GNU C Library: National Language (locale) data [support]
 login system login tools
 logrotate Log rotation utility
 logsave save the output of a command in a log file
 lsb-base Linux Standard Base init script functionality
 lsb-release Linux Standard Base version reporting utility
 lshw information about hardware configuration
 lsof utility to list open files
 ltrace Tracks runtime library calls in dynamically linked progra
 lvm2 Linux Logical Volume Manager
 lxd-agent-loader LXD - VM agent loader
 man-db tools for reading manual pages
 manpages Manual pages about using a GNU/Linux system
 mawk Pattern scanning and text processing language
 mdadm Tool to administer Linux MD arrays (software RAID)
 media-types List of standard media types and their usual file extensi
 motd-news-config Configuration for motd-news shipped in base-files
 mount tools for mounting and manipulating filesystems
 mtr-tiny Full screen ncurses traceroute tool
 multipath-tools maintain multipath block device access
 nano small, friendly text editor inspired by Pico
 ncurses-base basic terminal type definitions
 ncurses-bin terminal-related programs and man pages
 ncurses-term additional terminal type definitions
 needrestart check which daemons need to be restarted after library up
 netbase Basic TCP/IP networking system
 netcat-openbsd TCP/IP swiss army knife
 netplan.io YAML network configuration abstraction for various backen
 networkd-dispatcher Dispatcher service for systemd-networkd connection status
 ntfs-3g read/write NTFS driver for FUSE
 open-iscsi iSCSI initiator tools
 open-vm-tools Open VMware Tools for virtual machines hosted on VMware (
 openssh-client secure shell (SSH) client, for secure access to remote ma
 openssh-server secure shell (SSH) server, for secure access from remote
 openssh-sftp-server secure shell (SSH) sftp server module, for SFTP access fr
 openssl Secure Sockets Layer toolkit - cryptographic utility
 os-prober utility to detect other OSes on a set of drives
 overlayroot use an overlayfs on top of a read-only root filesystem
 packagekit Provides a package management service
 packagekit-tools Provides PackageKit command-line tools
 parted disk partition manipulator
 passwd change and administer password and group data
 pastebinit command-line pastebin client
 patch Apply a diff file to an original
 pci.ids PCI ID Repository
 pciutils PCI utilities
 perl Larry Wall's Practical Extraction and Report Language
 perl-base minimal Perl system
 perl-modules-5.32 Core Perl modules
 pigz Parallel Implementation of GZip
 pinentry-curses curses-based PIN or pass-phrase entry dialog for GnuPG
 plymouth boot animation, logger and I/O multiplexer
 plymouth-theme-ubuntu-text boot animation, logger and I/O multiplexer - ubuntu
 policykit-1 framework for managing administrative policies and privil
 pollinate seed the pseudo random number generator
 powermgmt-base common utils for power management
 procps /proc file system utilities
 psmisc utilities that use the proc file system
 publicsuffix accurate, machine-readable list of domain name suffixes
 python-apt-common Python interface to libapt-pkg (locales)
 python3 interactive high-level object-oriented language (default
 python3-apport Python 3 library for Apport crash report handling
 python3-apt Python 3 interface to libapt-pkg
 python3-attr Attributes without boilerplate (Python 3)
 python3-automat Self-service finite-state machines for the programmer on
 python3-bcrypt password hashing library for Python 3
 python3-blinker fast, simple object-to-object and broadcast signaling lib
 python3-certifi root certificates for validating SSL certs and verifying
 python3-cffi-backend:amd64 Foreign Function Interface for Python 3 calling C code -
 python3-chardet universal character encoding detector for Python3
 python3-click Wrapper around optparse for command line utilities - Pyth
 python3-colorama Cross-platform colored terminal text in Python - Python 3
 python3-commandnotfound Python 3 bindings for command-not-found.
 python3-configobj simple but powerful config file reader and writer for Pyt
 python3-constantly Symbolic constants in Python
 python3-cryptography Python library exposing cryptographic recipes and primiti
 python3-dbus simple interprocess messaging system (Python 3 interface)
 python3-debconf interact with debconf from Python 3
 python3-debian Python 3 modules to work with Debian-related data formats
 python3-distro Linux OS platform information API
 python3-distro-info information about distributions' releases (Python 3 modul
 python3-distupgrade manage release upgrades
 python3-distutils distutils package for Python 3.x
 python3-gdbm:amd64 GNU dbm database support for Python 3.x
 python3-gi Python 3 bindings for gobject-introspection libraries
 python3-hamcrest Hamcrest framework for matcher objects (Python 3)
 python3-httplib2 comprehensive HTTP client library written for Python3
 python3-hyperlink Immutable, Pythonic, correct URLs.
 python3-idna Python IDNA2008 (RFC 5891) handling (Python 3)
 python3-importlib-metadata library to access the metadata for a Python package
 python3-incremental Library for versioning Python projects
 python3-jeepney pure Python D-Bus interface
 python3-jinja2 small but fast and easy to use stand-alone template engin
 python3-json-pointer resolve JSON pointers - Python 3.x
 python3-jsonpatch library to apply JSON patches - Python 3.x
 python3-jsonschema An(other) implementation of JSON Schema (Draft 3 and 4) -
 python3-jwt Python 3 implementation of JSON Web Token
 python3-keyring store and access your passwords safely
 python3-launchpadlib Launchpad web services client library (Python 3)
 python3-lazr.restfulclient client for lazr.restful-based web services (Python
 python3-lazr.uri library for parsing, manipulating, and generating URIs
 python3-lib2to3 Interactive high-level object-oriented language (lib2to3)
 python3-markupsafe HTML/XHTML/XML string library for Python 3
 python3-minimal minimal subset of the Python language (default python3 ve
 python3-more-itertools library with routines for operating on iterables, beyon
 python3-netifaces portable network interface information - Python 3.x
 python3-newt:amd64 NEWT module for Python3
 python3-oauthlib generic, spec-compliant implementation of OAuth for Pytho
 python3-openssl Python 3 wrapper around the OpenSSL library
 python3-pexpect Python 3 module for automating interactive applications
 python3-pkg-resources Package Discovery and Resource Access using pkg_resource
 python3-problem-report Python 3 library to handle problem reports
 python3-ptyprocess Run a subprocess in a pseudo terminal from Python 3
 python3-pyasn1 ASN.1 library for Python (Python 3 module)
 python3-pyasn1-modules Collection of protocols modules written in ASN.1 langua
 python3-pyrsistent:amd64 persistent/functional/immutable data structures for Pytho
 python3-requests elegant and simple HTTP library for Python3, built for hu
 python3-secretstorage Python module for storing secrets - Python 3.x version
 python3-serial pyserial - module encapsulating access for the serial por
 python3-service-identity Service identity verification for pyOpenSSL (Python 3
 python3-setuptools Python3 Distutils Enhancements
 python3-simplejson simple, fast, extensible JSON encoder/decoder for Python
 python3-six Python 2 and 3 compatibility library (Python 3 interface)
 python3-software-properties manage the repositories that you install software
 python3-systemd Python 3 bindings for systemd
 python3-twisted Event-based framework for internet applications
 python3-twisted-bin:amd64 Event-based framework for internet applications
 python3-update-manager python 3.x module for update-manager
 python3-urllib3 HTTP library with thread-safe connection pooling for Pyth
 python3-wadllib Python 3 library for navigating WADL files
 python3-yaml YAML parser and emitter for Python3
 python3-zipp pathlib-compatible Zipfile object wrapper - Python 3.x
 python3-zope.interface Interfaces for Python3
 python3.9 Interactive high-level object-oriented language (version
 python3.9-minimal Minimal subset of the Python language (version 3.9)
 readline-common GNU readline and history libraries, common files
 rsync fast, versatile, remote (and local) file-copying tool
 rsyslog reliable system and kernel logging daemon
 run-one run just one instance of a command and its args at a time
 sbsigntool Tools to manipulate signatures on UEFI binaries and drive
 screen terminal multiplexer with VT100/ANSI terminal emulation
 screenfetch Bash Screenshot Information Tool
 scrot command line screen capture utility
 secureboot-db Secure Boot updates for DB and DBX
 sed GNU stream editor for filtering/transforming text
 sensible-utils Utilities for sensible alternative selection
 sg3-utils utilities for devices using the SCSI command set
 sg3-utils-udev utilities for devices using the SCSI command set (udev ru
 shared-mime-info FreeDesktop.org shared MIME database and spec
 slirp4netns User-mode networking for unprivileged network namespaces
 snapd Daemon and tooling that enable snap packages
 software-properties-common manage the repositories that you install software f
 sosreport Set of tools to gather troubleshooting data from a system
 squashfs-tools Tool to create and append to squashfs filesystems
 ssh-import-id securely retrieve an SSH public key and install it locall
 strace System call tracer
 sudo Provide limited super user privileges to specific users
 systemd system and service manager
 systemd-sysv system and service manager - SysV links
 systemd-timesyncd minimalistic service to synchronize local time with NTP s
 sysvinit-utils System-V-like utilities
 tar GNU version of the tar archiving utility
 tcpdump command-line network traffic analyzer
 telnet basic telnet client
 thermald Thermal monitoring and controlling daemon
 thin-provisioning-tools Tools for handling thinly provisioned device-mapper me
 time GNU time program for measuring CPU resource usage
 tmux terminal multiplexer
 tpm-udev udev rules for TPM modules
 tzdata time zone and daylight-saving time data
 ubuntu-advantage-tools management tools for Ubuntu Advantage
 ubuntu-keyring GnuPG keys of the Ubuntu archive
 ubuntu-minimal Minimal core of Ubuntu
 ubuntu-release-upgrader-core manage release upgrades
 ubuntu-server The Ubuntu Server system
 ubuntu-standard The Ubuntu standard system
 ucf Update Configuration File(s): preserve user changes to co
 udev /dev/ and hotplug management daemon
 udisks2 D-Bus service to access and manipulate storage devices
 ufw program for managing a Netfilter firewall
 unattended-upgrades automatic installation of security upgrades
 update-manager-core manage release upgrades
 update-notifier-common Files shared between update-notifier and other packages
 upower abstraction for power management
 usb.ids USB ID Repository
 usbmuxd USB multiplexor daemon for iPhone and iPod Touch devices
 usbutils Linux USB utilities
 usrmerge Convert the system to the merged /usr directories scheme
 util-linux miscellaneous system utilities
 uuid-runtime runtime components for the Universally Unique ID library
 vim Vi IMproved - enhanced vi editor
 vim-common Vi IMproved - Common files
 vim-runtime Vi IMproved - Runtime files
 vim-tiny Vi IMproved - enhanced vi editor - compact version
 wget retrieves files from the web
 whiptail Displays user-friendly dialog boxes from shell scripts
 wireless-regdb wireless regulatory database
 xauth X authentication utility
 xdg-user-dirs tool to manage well known user directories
 xfsprogs Utilities for managing the XFS filesystem
 xkb-data X Keyboard Extension (XKB) configuration data
 xxd tool to make (or reverse) a hex dump
 xz-utils XZ-format compression utilities
 zerofree zero free blocks from ext2, ext3 and ext4 file-systems
 zlib1g:amd64 compression library - runtime
 zstd fast lossless compression algorithm -- CLI tool

The following packages are missing the md5sums control file in the
database, they need to be reinstalled:
 adduser add and remove users and groups
 amd64-microcode Processor microcode firmware for AMD CPUs
 apparmor user-space parser utility for AppArmor
 apport automatically generate crash reports for debugging
 apport-symptoms symptom scripts for apport
 apt commandline package manager
 apt-utils package management related utility programs
 base-files Debian base system miscellaneous files
 base-passwd Debian base system master password and group files
 bash GNU Bourne Again SHell
 bash-completion programmable completion for the bash shell
 bc GNU bc arbitrary precision calculator language
 bcache-tools bcache userspace tools
 bind9-dnsutils Clients provided with BIND 9
 bind9-host DNS Lookup Utility
 bind9-libs:amd64 Shared Libraries used by BIND 9
 binutils GNU assembler, linker and binary utilities
 binutils-common:amd64 Common files for the GNU assembler, linker and binary uti
 binutils-x86-64-linux-gnu GNU binary utilities, for x86-64-linux-gnu target
 bolt system daemon to manage thunderbolt 3 devices
 bsdextrautils extra utilities from 4.4BSD-Lite
 bsdutils basic utilities from 4.4BSD-Lite
 btrfs-progs Checksumming Copy on Write Filesystem utilities
 busybox-initramfs Standalone shell setup for initramfs
 busybox-static Standalone rescue shell with tons of builtin utilities
 byobu text window manager, shell multiplexer, integrated DevOps
 ca-certificates Common CA certificates
 cloud-guest-utils cloud guest utilities
 cloud-init initialization and customization tool for cloud instances
 cloud-initramfs-copymods copy initramfs modules into root filesystem for later
 cloud-initramfs-dyn-netconf write a network interface file in /run for BOOTIF
 command-not-found Suggest installation of packages in interactive bash sess
 console-setup console font and keymap setup program
 console-setup-linux Linux specific part of console-setup
 containerd.io An open and reliable container runtime
 coreutils GNU core utilities
 cpio GNU cpio -- a program to manage archives of files
 crda wireless Central Regulatory Domain Agent
 cron process scheduling daemon
 cryptsetup disk encryption support - startup scripts
 cryptsetup-bin disk encryption support - command line tools
 cryptsetup-initramfs disk encryption support - initramfs integration
 cryptsetup-run transitional dummy package for cryptsetup
 curl command line tool for transferring data with URL syntax
 dash POSIX-compliant shell
 dbus simple interprocess messaging system (daemon and utilitie
 dbus-user-session simple interprocess messaging system (systemd --user inte
 debconf Debian configuration management system
 debconf-i18n full internationalization support for debconf
 debianutils Miscellaneous utilities specific to Debian
 diffutils File comparison utilities
 dirmngr GNU privacy guard - network certificate management servic
 distro-info provides information about the distributions' releases
 distro-info-data information about the distributions' releases (data files
 dmeventd Linux Kernel Device Mapper event daemon
 dmidecode SMBIOS/DMI table decoder
 dmsetup Linux Kernel Device Mapper userspace library
 docker-ce Docker: the open-source application container engine
 docker-ce-cli Docker CLI: the open-source application container engine
 docker-ce-rootless-extras Rootless support for Docker.
 docker-scan-plugin Docker scan cli plugin.
 dosfstools utilities for making and checking MS-DOS FAT filesystems
 dpkg Debian package management system
 e2fsprogs ext2/ext3/ext4 file system utilities
 eatmydata Library and utilities designed to disable fsync and frien
 ed classic UNIX line editor
 eject ejects CDs and operates CD-Changers under Linux
 ethtool display or change Ethernet device settings
 fdisk collection of partitioning utilities
 file Recognize the type of data in a file using "magic" number
 finalrd final runtime directory for shutdown
 findutils utilities for finding files--find, xargs
 fonts-ubuntu-console console version of the Ubuntu Mono font
 friendly-recovery Make recovery boot mode more user-friendly
 ftp classical file transfer client
 fuse Filesystem in Userspace
 fwupd Firmware update daemon
 fwupd-signed Linux Firmware Updater EFI signed binary
 gawk GNU awk, a pattern scanning and processing language
 gcc-11-base:amd64 GCC, the GNU Compiler Collection (base package)
 gdisk GPT fdisk text-mode partitioning tool
 gettext-base GNU Internationalization utilities for the base system
 giblib1:amd64 wrapper library for imlib2, and other stuff
 gir1.2-glib-2.0:amd64 Introspection data for GLib, GObject, Gio and GModule
 gir1.2-packagekitglib-1.0 GObject introspection data for the PackageKit GLib l
 git fast, scalable, distributed revision control system
 git-man fast, scalable, distributed revision control system (manu
 gnupg GNU privacy guard - a free PGP replacement
 gnupg-l10n GNU privacy guard - localization files
 gnupg-utils GNU privacy guard - utility programs
 gpg GNU Privacy Guard -- minimalist public key operations
 gpg-agent GNU privacy guard - cryptographic agent
 gpg-wks-client GNU privacy guard - Web Key Service client
 gpg-wks-server GNU privacy guard - Web Key Service server
 gpgconf GNU privacy guard - core configuration utilities
 gpgsm GNU privacy guard - S/MIME version
 gpgv GNU privacy guard - signature verification tool
 grep GNU grep, egrep and fgrep
 groff-base GNU troff text-formatting system (base system components)
 grub-common GRand Unified Bootloader (common files)
 grub-gfxpayload-lists GRUB gfxpayload blacklist
 grub-pc GRand Unified Bootloader, version 2 (PC/BIOS version)
 grub-pc-bin GRand Unified Bootloader, version 2 (PC/BIOS modules)
 grub2-common GRand Unified Bootloader (common files for version 2)
 gzip GNU compression utilities
 hdparm tune hard disk parameters for high performance
 hostname utility to set/show the host name or domain name
 htop interactive processes viewer
 info Standalone GNU Info documentation browser
 init metapackage ensuring an init system is installed
 init-system-helpers helper tools for all init systems
 initramfs-tools generic modular initramfs generator (automation)
 initramfs-tools-bin binaries used by initramfs-tools
 initramfs-tools-core generic modular initramfs generator (core tools)
 install-info Manage installed documentation in info format
 intel-microcode Processor microcode firmware for Intel CPUs
 iproute2 networking and traffic control tools
 iptables administration tools for packet filtering and NAT
 iputils-ping Tools to test the reachability of network hosts
 iputils-tracepath Tools to trace the network path to a remote host
 irqbalance Daemon to balance interrupts for SMP systems
 isc-dhcp-client DHCP client for automatically obtaining an IP address
 isc-dhcp-common common manpages relevant to all of the isc-dhcp packages
 iso-codes ISO language, territory, currency, script codes and their
 iucode-tool Intel processor microcode tool
 iw tool for configuring Linux wireless devices
 kbd Linux console font and keytable utilities
 keyboard-configuration system-wide keyboard preferences
 klibc-utils small utilities built with klibc for early boot
 kmod tools for managing Linux kernel modules
 kpartx create device mappings for partitions
 krb5-locales internationalization support for MIT Kerberos
 landscape-common Landscape administration system client - Common files
 less pager program similar to more
 libacl1:amd64 access control list - shared library
 libaio1:amd64 Linux kernel AIO access library - shared library
 libapparmor1:amd64 changehat AppArmor library
 libappstream4:amd64 Library to access AppStream services
 libapt-pkg6.0:amd64 package management runtime library
 libarchive13:amd64 Multi-format archive and compression library (shared libr
 libargon2-1:amd64 memory-hard hashing function - runtime library
 libassuan0:amd64 IPC library for the GnuPG components
 libatasmart4:amd64 ATA S.M.A.R.T. reading and parsing library
 libatm1:amd64 shared library for ATM (Asynchronous Transfer Mode)
 libattr1:amd64 extended attribute handling - shared library
 libaudit-common Dynamic library for security auditing - common files
 libaudit1:amd64 Dynamic library for security auditing
 libbinutils:amd64 GNU binary utilities (private shared library)
 libblkid1:amd64 block device ID library
 libblockdev-crypto2:amd64 Crypto plugin for libblockdev
 libblockdev-fs2:amd64 file system plugin for libblockdev
 libblockdev-loop2:amd64 Loop device plugin for libblockdev
 libblockdev-part-err2:amd64 Partition error utility functions for libblockdev
 libblockdev-part2:amd64 Partitioning plugin for libblockdev
 libblockdev-swap2:amd64 Swap plugin for libblockdev
 libblockdev-utils2:amd64 Utility functions for libblockdev
 libblockdev2:amd64 Library for manipulating block devices
 libbpf0:amd64 eBPF helper library (shared library)
 libbrotli1:amd64 library implementing brotli encoder and decoder (shared l
 libbsd0:amd64 utility functions from BSD systems - shared library
 libbz2-1.0:amd64 high-quality block-sorting file compressor library - runt
 libc-bin GNU C Library: Binaries
 libc6:amd64 GNU C Library: Shared libraries
 libcap-ng0:amd64 An alternate POSIX capabilities library
 libcap2:amd64 POSIX 1003.1e capabilities (library)
 libcap2-bin POSIX 1003.1e capabilities (utilities)
 libcbor0.6:amd64 library for parsing and generating CBOR (RFC 7049)
 libcom-err2:amd64 common error description library
 libcrypt1:amd64 libcrypt shared library
 libcryptsetup12:amd64 disk encryption support - shared library
 libctf-nobfd0:amd64 Compact C Type Format library (runtime, no BFD dependency
 libctf0:amd64 Compact C Type Format library (runtime, BFD dependency)
 libcurl3-gnutls:amd64 easy-to-use client-side URL transfer library (GnuTLS flav
 libcurl4:amd64 easy-to-use client-side URL transfer library (OpenSSL fla
 libdb5.3:amd64 Berkeley v5.3 Database Libraries [runtime]
 libdbus-1-3:amd64 simple interprocess messaging system (library)
 libdbus-glib-1-2:amd64 deprecated library for D-Bus IPC
 libdebconfclient0:amd64 Debian Configuration Management System (C-implementation
 libdeflate0:amd64 fast, whole-buffer DEFLATE-based compression and decompre
 libdevmapper-event1.02.1:amd64 Linux Kernel Device Mapper event support library
 libdevmapper1.02.1:amd64 Linux Kernel Device Mapper userspace library
 libdns-export1110 Exported DNS Shared Library
 libdrm-common Userspace interface to kernel DRM services -- common file
 libdrm2:amd64 Userspace interface to kernel DRM services -- runtime
 libdw1:amd64 library that provides access to the DWARF debug informati
 libeatmydata1:amd64 Library and utilities to disable fsync and friends - shar
 libedit2:amd64 BSD editline and history libraries
 libefiboot1:amd64 Library to manage UEFI variables
 libefivar1:amd64 Library to manage UEFI variables
 libelf1:amd64 library to read and write ELF files
 liberror-perl Perl module for error/exception handling in an OO-ish way
 libestr0:amd64 Helper functions for handling strings (lib)
 libevdev2:amd64 wrapper library for evdev devices
 libevent-2.1-7:amd64 Asynchronous event notification library
 libexpat1:amd64 XML parsing C library - runtime library
 libext2fs2:amd64 ext2/ext3/ext4 file system libraries
 libfastjson4:amd64 fast json library for C
 libfdisk1:amd64 fdisk partitioning library
 libffi8:amd64 Foreign Function Interface library runtime
 libfido2-1:amd64 library for generating and verifying FIDO 2.0 objects
 libflashrom1:amd64 Identify, read, write, erase, and verify BIOS/ROM/flash c
 libfreetype6:amd64 FreeType 2 font engine, shared library files
 libfribidi0:amd64 Free Implementation of the Unicode BiDi algorithm
 libftdi1-2:amd64 C Library to control and program the FTDI USB controllers
 libfuse2:amd64 Filesystem in Userspace (library)
 libfwupd2:amd64 Firmware update daemon library
 libfwupdplugin1:amd64 Firmware update daemon plugin library
 libgcab-1.0-0:amd64 Microsoft Cabinet file manipulation library
 libgcc-s1:amd64 GCC support library
 libgcrypt20:amd64 LGPL Crypto library - runtime library
 libgdbm-compat4:amd64 GNU dbm database routines (legacy support runtime version
 libgdbm6:amd64 GNU dbm database routines (runtime version)
 libgif7:amd64 library for GIF images (library)
 libgirepository-1.0-1:amd64 Library for handling GObject introspection data (runtime
 libglib2.0-0:amd64 GLib library of C routines
 libglib2.0-bin Programs for the GLib library
 libglib2.0-data Common files for GLib library
 libgmp10:amd64 Multiprecision arithmetic library
 libgnutls30:amd64 GNU TLS library - main runtime library
 libgpg-error0:amd64 GnuPG development runtime library
 libgpgme11:amd64 GPGME - GnuPG Made Easy (library)
 libgpm2:amd64 General Purpose Mouse - shared library
 libgssapi-krb5-2:amd64 MIT Kerberos runtime libraries - krb5 GSS-API Mechanism
 libgstreamer1.0-0:amd64 Core GStreamer libraries and elements
 libgudev-1.0-0:amd64 GObject-based wrapper library for libudev
 libgusb2:amd64 GLib wrapper around libusb1
 libhogweed6:amd64 low level cryptographic library (public-key cryptos)
 libicu67:amd64 International Components for Unicode
 libid3tag0:amd64 ID3 tag reading library from the MAD project
 libidn2-0:amd64 Internationalized domain names (IDNA2008/TR46) library
 libimlib2:amd64 image loading, rendering, saving library
 libimobiledevice6:amd64 Library for communicating with iPhone and other Apple dev
 libinih1:amd64 simple .INI file parser
 libintl-perl Uniforum message translations system compatible i18n libr
 libintl-xs-perl XS Uniforum message translations system compatible i18n l
 libip4tc2:amd64 netfilter libip4tc library
 libip6tc2:amd64 netfilter libip6tc library
 libisc-export1105:amd64 Exported ISC Shared Library
 libisns0:amd64 Internet Storage Name Service - shared libraries
 libjbig0:amd64 JBIGkit libraries
 libjcat1:amd64 JSON catalog library
 libjpeg-turbo8:amd64 IJG JPEG compliant runtime library.
 libjpeg8:amd64 Independent JPEG Group's JPEG runtime library (dependency
 libjson-c5:amd64 JSON manipulation library - shared library
 libjson-glib-1.0-0:amd64 GLib JSON manipulation library
 libjson-glib-1.0-common GLib JSON manipulation library (common files)
 libk5crypto3:amd64 MIT Kerberos runtime libraries - Crypto Library
 libkeyutils1:amd64 Linux Key Management Utilities (library)
 libklibc:amd64 minimal libc subset for use with initramfs
 libkmod2:amd64 libkmod shared library
 libkrb5-3:amd64 MIT Kerberos runtime libraries
 libkrb5support0:amd64 MIT Kerberos runtime libraries - Support library
 libksba8:amd64 X.509 and CMS support library
 libldap-2.5-0:amd64 OpenLDAP libraries
 libldap-common OpenLDAP common files for libraries
 liblmdb0:amd64 Lightning Memory-Mapped Database shared library
 liblocale-gettext-perl module using libc functions for internationalization in
 libltdl7:amd64 System independent dlopen wrapper for GNU libtool
 liblvm2cmd2.03:amd64 LVM2 command library
 liblz4-1:amd64 Fast LZ compression algorithm library - runtime
 liblzma5:amd64 XZ-format compression library
 liblzo2-2:amd64 data compression library
 libmagic-mgc File type determination library using "magic" numbers (co
 libmagic1:amd64 Recognize the type of data in a file using "magic" number
 libmaxminddb0:amd64 IP geolocation database library
 libmd0:amd64 message digest functions from BSD systems - shared librar
 libmnl0:amd64 minimalistic Netlink communication library
 libmodule-find-perl module to find and use installed Perl modules
 libmodule-scandeps-perl module to recursively scan Perl code for dependencies
 libmount1:amd64 device mounting library
 libmpdec3:amd64 library for decimal floating point arithmetic (runtime li
 libmpfr6:amd64 multiple precision floating-point computation
 libmspack0:amd64 library for Microsoft compression formats (shared library
 libncurses6:amd64 shared libraries for terminal handling
 libncursesw6:amd64 shared libraries for terminal handling (wide character su
 libnetfilter-conntrack3:amd64 Netfilter netlink-conntrack library
 libnetplan0:amd64 YAML network configuration abstraction runtime library
 libnettle8:amd64 low level cryptographic library (symmetric and one-way cr
 libnewt0.52:amd64 Not Erik's Windowing Toolkit - text mode windowing with s
 libnfnetlink0:amd64 Netfilter netlink library
 libnftnl11:amd64 Netfilter nftables userspace API library
 libnghttp2-14:amd64 library implementing HTTP/2 protocol (shared library)
 libnl-3-200:amd64 library for dealing with netlink sockets
 libnl-genl-3-200:amd64 library for dealing with netlink sockets - generic netlin
 libnpth0:amd64 replacement for GNU Pth using system threads
 libnsl2:amd64 Public client interface for NIS(YP) and NIS+
 libnspr4:amd64 NetScape Portable Runtime Library
 libnss-systemd:amd64 nss module providing dynamic user and group name resoluti
 libnss3:amd64 Network Security Service libraries
 libntfs-3g883 read/write NTFS driver for FUSE (runtime library)
 libnuma1:amd64 Libraries for controlling NUMA policy
 libopeniscsiusr iSCSI userspace library
 libp11-kit0:amd64 library for loading and coordinating access to PKCS#11 mo
 libpackagekit-glib2-18:amd64 Library for accessing PackageKit using GLib
 libpam-cap:amd64 POSIX 1003.1e capabilities (PAM module)
 libpam-modules:amd64 Pluggable Authentication Modules for PAM
 libpam-modules-bin Pluggable Authentication Modules for PAM - helper binarie
 libpam-runtime Runtime support for the PAM library
 libpam-systemd:amd64 system and service manager - PAM module
 libpam0g:amd64 Pluggable Authentication Modules library
 libparted-fs-resize0:amd64 disk partition manipulator - shared FS resizing library
 libparted2:amd64 disk partition manipulator - shared library
 libpcap0.8:amd64 system interface for user-level packet capture
 libpci3:amd64 PCI utilities (shared library)
 libpcre2-8-0:amd64 New Perl Compatible Regular Expression Library- 8 bit run
 libpcre3:amd64 Old Perl 5 Compatible Regular Expression Library - runtim
 libperl5.32:amd64 shared Perl library
 libpipeline1:amd64 Unix process pipeline manipulation library
 libplist3:amd64 Library for handling Apple binary and XML property lists
 libplymouth5:amd64 graphical boot animation and logger - shared libraries
 libpng16-16:amd64 PNG library - runtime (version 1.6)
 libpolkit-agent-1-0:amd64 PolicyKit Authentication Agent API
 libpolkit-gobject-1-0:amd64 PolicyKit Authorization API
 libpopt0:amd64 lib for parsing cmdline parameters
 libproc-processtable-perl Perl library for accessing process table information
 libprocps8:amd64 library for accessing process information from /proc
 libpsl5:amd64 Library for Public Suffix List (shared libraries)
 libpython3-stdlib:amd64 interactive high-level object-oriented language (default
 libpython3.9:amd64 Shared Python runtime library (version 3.9)
 libpython3.9-minimal:amd64 Minimal subset of the Python language (version 3.9)
 libpython3.9-stdlib:amd64 Interactive high-level object-oriented language (standard
 libreadline8:amd64 GNU readline and history libraries, run-time libraries
 librtmp1:amd64 toolkit for RTMP streams (shared library)
 libsasl2-2:amd64 Cyrus SASL - authentication abstraction library
 libsasl2-modules:amd64 Cyrus SASL - pluggable authentication modules
 libsasl2-modules-db:amd64 Cyrus SASL - pluggable authentication modules (DB)
 libseccomp2:amd64 high level interface to Linux seccomp filter
 libselinux1:amd64 SELinux runtime shared libraries
 libsemanage-common Common files for SELinux policy management libraries
 libsemanage1:amd64 SELinux policy management library
 libsepol1:amd64 SELinux library for manipulating binary security policies
 libsgutils2-2 utilities for devices using the SCSI command set (shared
 libsigsegv2:amd64 Library for handling page faults in a portable way
 libslang2:amd64 S-Lang programming library - runtime version
 libslirp0:amd64 General purpose TCP-IP emulator library
 libsmartcols1:amd64 smart column output alignment library
 libsmbios-c2 Provide access to (SM)BIOS information -- dynamic library
 libsort-naturally-perl Sort naturally - sort lexically except for numerical pa
 libsqlite3-0:amd64 SQLite 3 shared library
 libss2:amd64 command-line interface parsing library
 libssh-4:amd64 tiny C SSH library (OpenSSL flavor)
 libssl1.1:amd64 Secure Sockets Layer toolkit - shared libraries
 libstdc++6:amd64 GNU Standard C++ Library v3
 libstemmer0d:amd64 Snowball stemming algorithms for use in Information Retri
 libsystemd0:amd64 systemd utility library
 libtasn1-6:amd64 Manage ASN.1 structures (runtime)
 libterm-readkey-perl perl module for simple terminal control
 libtext-charwidth-perl get display widths of characters on the terminal
 libtext-iconv-perl module to convert between character sets in Perl
 libtext-wrapi18n-perl internationalized substitute of Text::Wrap
 libtiff5:amd64 Tag Image File Format (TIFF) library
 libtinfo6:amd64 shared low-level terminfo library for terminal handling
 libtirpc-common transport-independent RPC library - common files
 libtirpc3:amd64 transport-independent RPC library
 libtss2-esys-3.0.2-0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-mu0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-sys1:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-tcti-cmd0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-tcti-device0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-tcti-mssim0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libtss2-tcti-swtpm0:amd64 TPM2 Software stack library - TSS and TCTI libraries
 libuchardet0:amd64 universal charset detection library - shared library
 libudev1:amd64 libudev shared library
 libudisks2-0:amd64 GObject based library to access udisks2
 libunistring2:amd64 Unicode string library for C
 libunwind8:amd64 library to determine the call-chain of a program - runtim
 libupower-glib3:amd64 abstraction for power management - shared library
 liburcu6:amd64 userspace RCU (read-copy-update) library
 libusb-1.0-0:amd64 userspace USB programming library
 libusbmuxd6:amd64 USB multiplexor daemon for iPhone and iPod Touch devices
 libutempter0:amd64 privileged helper for utmp/wtmp updates (runtime)
 libuuid1:amd64 Universally Unique ID library
 libuv1:amd64 asynchronous event notification library - runtime library
 libvolume-key1 Library for manipulating storage encryption keys and pass
 libwebp6:amd64 Lossy compression of digital photographic images.
 libwrap0:amd64 Wietse Venema's TCP wrappers library
 libx11-6:amd64 X11 client-side library
 libx11-data X11 client-side library
 libx11-xcb1:amd64 Xlib/XCB interface library
 libxau6:amd64 X11 authorisation library
 libxcb-shm0:amd64 X C Binding, shm extension
 libxcb1:amd64 X C Binding
 libxcomposite1:amd64 X11 Composite extension library
 libxdmcp6:amd64 X11 Display Manager Control Protocol library
 libxext6:amd64 X11 miscellaneous extension library
 libxfixes3:amd64 X11 miscellaneous 'fixes' extension library
 libxml2:amd64 GNOME XML library
 libxmlb1:amd64 Binary XML library
 libxmlsec1:amd64 XML security library
 libxmlsec1-openssl:amd64 Openssl engine for the XML security library
 libxmuu1:amd64 X11 miscellaneous micro-utility library
 libxslt1.1:amd64 XSLT 1.0 processing library - runtime library
 libxtables12:amd64 netfilter xtables library
 libxxhash0:amd64 shared library for xxhash
 libyaml-0-2:amd64 Fast YAML 1.1 parser and emitter library
 libzstd1:amd64 fast lossless compression algorithm
 linux-base Linux image base package
 linux-firmware Firmware for Linux kernel drivers
 linux-generic Complete Generic Linux kernel and headers
 linux-headers-5.13.0-28 Header files related to Linux kernel version 5.13.0
 linux-headers-5.13.0-28-generic Linux kernel headers for version 5.13.0 on 64
 linux-headers-5.13.0-30 Header files related to Linux kernel version 5.13.0
 linux-headers-5.13.0-30-generic Linux kernel headers for version 5.13.0 on 64
 linux-headers-5.13.0-35 Header files related to Linux kernel version 5.13.0
 linux-headers-5.13.0-35-generic Linux kernel headers for version 5.13.0 on 64
 linux-headers-generic Generic Linux kernel headers
 linux-image-5.13.0-30-generic Signed kernel image generic
 linux-image-5.13.0-35-generic Signed kernel image generic
 linux-image-generic Generic Linux kernel image
 linux-image-unsigned-5.13.0-28-generic Linux kernel image for version 5.13.0 o
 linux-modules-5.13.0-28-generic Linux kernel extra modules for version 5.13.0
 linux-modules-5.13.0-30-generic Linux kernel extra modules for version 5.13.0
 linux-modules-5.13.0-35-generic Linux kernel extra modules for version 5.13.0
 linux-modules-extra-5.13.0-30-generic Linux kernel extra modules for version 5
 linux-modules-extra-5.13.0-35-generic Linux kernel extra modules for version 5
 locales GNU C Library: National Language (locale) data [support]
 login system login tools
 logrotate Log rotation utility
 logsave save the output of a command in a log file
 lsb-base Linux Standard Base init script functionality
 lsb-release Linux Standard Base version reporting utility
 lshw information about hardware configuration
 lsof utility to list open files
 ltrace Tracks runtime library calls in dynamically linked progra
 lvm2 Linux Logical Volume Manager
 lxd-agent-loader LXD - VM agent loader
 man-db tools for reading manual pages
 manpages Manual pages about using a GNU/Linux system
 mawk Pattern scanning and text processing language
 mdadm Tool to administer Linux MD arrays (software RAID)
 media-types List of standard media types and their usual file extensi
 motd-news-config Configuration for motd-news shipped in base-files
 mount tools for mounting and manipulating filesystems
 mtr-tiny Full screen ncurses traceroute tool
 multipath-tools maintain multipath block device access
 nano small, friendly text editor inspired by Pico
 ncurses-base basic terminal type definitions
 ncurses-bin terminal-related programs and man pages
 ncurses-term additional terminal type definitions
 needrestart check which daemons need to be restarted after library up
 netbase Basic TCP/IP networking system
 netcat-openbsd TCP/IP swiss army knife
 netplan.io YAML network configuration abstraction for various backen
 networkd-dispatcher Dispatcher service for systemd-networkd connection status
 ntfs-3g read/write NTFS driver for FUSE
 open-iscsi iSCSI initiator tools
 open-vm-tools Open VMware Tools for virtual machines hosted on VMware (
 openssh-client secure shell (SSH) client, for secure access to remote ma
 openssh-server secure shell (SSH) server, for secure access from remote
 openssh-sftp-server secure shell (SSH) sftp server module, for SFTP access fr
 openssl Secure Sockets Layer toolkit - cryptographic utility
 os-prober utility to detect other OSes on a set of drives
 overlayroot use an overlayfs on top of a read-only root filesystem
 packagekit Provides a package management service
 packagekit-tools Provides PackageKit command-line tools
 parted disk partition manipulator
 passwd change and administer password and group data
 pastebinit command-line pastebin client
 patch Apply a diff file to an original
 pci.ids PCI ID Repository
 pciutils PCI utilities
 perl Larry Wall's Practical Extraction and Report Language
 perl-base minimal Perl system
 perl-modules-5.32 Core Perl modules
 pigz Parallel Implementation of GZip
 pinentry-curses curses-based PIN or pass-phrase entry dialog for GnuPG
 plymouth boot animation, logger and I/O multiplexer
 plymouth-theme-ubuntu-text boot animation, logger and I/O multiplexer - ubuntu
 policykit-1 framework for managing administrative policies and privil
 pollinate seed the pseudo random number generator
 powermgmt-base common utils for power management
 procps /proc file system utilities
 psmisc utilities that use the proc file system
 publicsuffix accurate, machine-readable list of domain name suffixes
 python-apt-common Python interface to libapt-pkg (locales)
 python3 interactive high-level object-oriented language (default
 python3-apport Python 3 library for Apport crash report handling
 python3-apt Python 3 interface to libapt-pkg
 python3-attr Attributes without boilerplate (Python 3)
 python3-automat Self-service finite-state machines for the programmer on
 python3-bcrypt password hashing library for Python 3
 python3-blinker fast, simple object-to-object and broadcast signaling lib
 python3-certifi root certificates for validating SSL certs and verifying
 python3-cffi-backend:amd64 Foreign Function Interface for Python 3 calling C code -
 python3-chardet universal character encoding detector for Python3
 python3-click Wrapper around optparse for command line utilities - Pyth
 python3-colorama Cross-platform colored terminal text in Python - Python 3
 python3-commandnotfound Python 3 bindings for command-not-found.
 python3-configobj simple but powerful config file reader and writer for Pyt
 python3-constantly Symbolic constants in Python
 python3-cryptography Python library exposing cryptographic recipes and primiti
 python3-dbus simple interprocess messaging system (Python 3 interface)
 python3-debconf interact with debconf from Python 3
 python3-debian Python 3 modules to work with Debian-related data formats
 python3-distro Linux OS platform information API
 python3-distro-info information about distributions' releases (Python 3 modul
 python3-distupgrade manage release upgrades
 python3-distutils distutils package for Python 3.x
 python3-gdbm:amd64 GNU dbm database support for Python 3.x
 python3-gi Python 3 bindings for gobject-introspection libraries
 python3-hamcrest Hamcrest framework for matcher objects (Python 3)
 python3-httplib2 comprehensive HTTP client library written for Python3
 python3-hyperlink Immutable, Pythonic, correct URLs.
 python3-idna Python IDNA2008 (RFC 5891) handling (Python 3)
 python3-importlib-metadata library to access the metadata for a Python package
 python3-incremental Library for versioning Python projects
 python3-jeepney pure Python D-Bus interface
 python3-jinja2 small but fast and easy to use stand-alone template engin
 python3-json-pointer resolve JSON pointers - Python 3.x
 python3-jsonpatch library to apply JSON patches - Python 3.x
 python3-jsonschema An(other) implementation of JSON Schema (Draft 3 and 4) -
 python3-jwt Python 3 implementation of JSON Web Token
 python3-keyring store and access your passwords safely
 python3-launchpadlib Launchpad web services client library (Python 3)
 python3-lazr.restfulclient client for lazr.restful-based web services (Python
 python3-lazr.uri library for parsing, manipulating, and generating URIs
 python3-lib2to3 Interactive high-level object-oriented language (lib2to3)
 python3-markupsafe HTML/XHTML/XML string library for Python 3
 python3-minimal minimal subset of the Python language (default python3 ve
 python3-more-itertools library with routines for operating on iterables, beyon
 python3-netifaces portable network interface information - Python 3.x
 python3-newt:amd64 NEWT module for Python3
 python3-oauthlib generic, spec-compliant implementation of OAuth for Pytho
 python3-openssl Python 3 wrapper around the OpenSSL library
 python3-pexpect Python 3 module for automating interactive applications
 python3-pkg-resources Package Discovery and Resource Access using pkg_resource
 python3-problem-report Python 3 library to handle problem reports
 python3-ptyprocess Run a subprocess in a pseudo terminal from Python 3
 python3-pyasn1 ASN.1 library for Python (Python 3 module)
 python3-pyasn1-modules Collection of protocols modules written in ASN.1 langua
 python3-pyrsistent:amd64 persistent/functional/immutable data structures for Pytho
 python3-requests elegant and simple HTTP library for Python3, built for hu
 python3-secretstorage Python module for storing secrets - Python 3.x version
 python3-serial pyserial - module encapsulating access for the serial por
 python3-service-identity Service identity verification for pyOpenSSL (Python 3
 python3-setuptools Python3 Distutils Enhancements
 python3-simplejson simple, fast, extensible JSON encoder/decoder for Python
 python3-six Python 2 and 3 compatibility library (Python 3 interface)
 python3-software-properties manage the repositories that you install software
 python3-systemd Python 3 bindings for systemd
 python3-twisted Event-based framework for internet applications
 python3-twisted-bin:amd64 Event-based framework for internet applications
 python3-update-manager python 3.x module for update-manager
 python3-urllib3 HTTP library with thread-safe connection pooling for Pyth
 python3-wadllib Python 3 library for navigating WADL files
 python3-yaml YAML parser and emitter for Python3
 python3-zipp pathlib-compatible Zipfile object wrapper - Python 3.x
 python3-zope.interface Interfaces for Python3
 python3.9 Interactive high-level object-oriented language (version
 python3.9-minimal Minimal subset of the Python language (version 3.9)
 readline-common GNU readline and history libraries, common files
 rsync fast, versatile, remote (and local) file-copying tool
 rsyslog reliable system and kernel logging daemon
 run-one run just one instance of a command and its args at a time
 sbsigntool Tools to manipulate signatures on UEFI binaries and drive
 screen terminal multiplexer with VT100/ANSI terminal emulation
 screenfetch Bash Screenshot Information Tool
 scrot command line screen capture utility
 secureboot-db Secure Boot updates for DB and DBX
 sed GNU stream editor for filtering/transforming text
 sensible-utils Utilities for sensible alternative selection
 sg3-utils utilities for devices using the SCSI command set
 sg3-utils-udev utilities for devices using the SCSI command set (udev ru
 shared-mime-info FreeDesktop.org shared MIME database and spec
 slirp4netns User-mode networking for unprivileged network namespaces
 snapd Daemon and tooling that enable snap packages
 software-properties-common manage the repositories that you install software f
 sosreport Set of tools to gather troubleshooting data from a system
 squashfs-tools Tool to create and append to squashfs filesystems
 ssh-import-id securely retrieve an SSH public key and install it locall
 strace System call tracer
 sudo Provide limited super user privileges to specific users
 systemd system and service manager
 systemd-sysv system and service manager - SysV links
 systemd-timesyncd minimalistic service to synchronize local time with NTP s
 sysvinit-utils System-V-like utilities
 tar GNU version of the tar archiving utility
 tcpdump command-line network traffic analyzer
 telnet basic telnet client
 thermald Thermal monitoring and controlling daemon
 thin-provisioning-tools Tools for handling thinly provisioned device-mapper me
 time GNU time program for measuring CPU resource usage
 tmux terminal multiplexer
 tpm-udev udev rules for TPM modules
 tzdata time zone and daylight-saving time data
 ubuntu-advantage-tools management tools for Ubuntu Advantage
 ubuntu-keyring GnuPG keys of the Ubuntu archive
 ubuntu-minimal Minimal core of Ubuntu
 ubuntu-release-upgrader-core manage release upgrades
 ubuntu-server The Ubuntu Server system
 ubuntu-standard The Ubuntu standard system
 ucf Update Configuration File(s): preserve user changes to co
 udev /dev/ and hotplug management daemon
 udisks2 D-Bus service to access and manipulate storage devices
 ufw program for managing a Netfilter firewall
 unattended-upgrades automatic installation of security upgrades
 update-manager-core manage release upgrades
 update-notifier-common Files shared between update-notifier and other packages
 upower abstraction for power management
 usb.ids USB ID Repository
 usbmuxd USB multiplexor daemon for iPhone and iPod Touch devices
 usbutils Linux USB utilities
 usrmerge Convert the system to the merged /usr directories scheme
 util-linux miscellaneous system utilities
 uuid-runtime runtime components for the Universally Unique ID library
 vim Vi IMproved - enhanced vi editor
 vim-common Vi IMproved - Common files
 vim-runtime Vi IMproved - Runtime files
 vim-tiny Vi IMproved - enhanced vi editor - compact version
 wget retrieves files from the web
 whiptail Displays user-friendly dialog boxes from shell scripts
 wireless-regdb wireless regulatory database
 xauth X authentication utility
 xdg-user-dirs tool to manage well known user directories
 xfsprogs Utilities for managing the XFS filesystem
 xkb-data X Keyboard Extension (XKB) configuration data
 xxd tool to make (or reverse) a hex dump
 xz-utils XZ-format compression utilities
 zerofree zero free blocks from ext2, ext3 and ext4 file-systems
 zlib1g:amd64 compression library - runtime
 zstd fast lossless compression algorithm -- CLI tool

root@mysql:~#

Revision history for this message
Manfred Hampl (m-hampl) said : 		#7

I do not know what happened to your system, but the package management system is in a strange status. Lots of files are missing (e.g. the contents of the /var/lib/dpkg/info/ directory).

In my opinion the most reasonable action to do is a complete new installation from scratch.

If you don't want to do that, you may try the following:

sudo apt install --reinstall e2fsprogs -f
lsattr /usr/bin/nslookup

and copy/paste the output that we can verify the results

Revision history for this message
杜宇 (dygood) said : 		#8

root@mysql:~# sudo apt install --reinstall e2fsprogs -f
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 bind9-dnsutils : Depends: bind9-libs (= 1:9.16.15-1ubuntu1.1) but 1:9.16.15-1ubuntu1.2 is to be installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
root@mysql:~# sudo lsattr /usr/bin/nslookup
sudo: lsattr: command not found
root@mysql:~#

I can't perform any install and uninstall commands at the moment, so I'll try to reinstall the operating system

Revision history for this message
Manfred Hampl (m-hampl) said : 		#9

Why do you execute "sudo lsattr ..." if I ask for "lsattr" without "sudo"?

Revision history for this message
Manfred Hampl (m-hampl) said : 		#10

Another command that may help correcting the install problem is

sudo apt install bind9-libs=1:9.16.15-1ubuntu1.1 -f

Revision history for this message
杜宇 (dygood) said : 		#11

root@mysql:~# lsattr /usr/bin/nslookup
-bash: /usr/bin/lsattr: Permission denied
root@mysql:~#

Revision history for this message
杜宇 (dygood) said : 		#12

root@mysql:~# sudo apt install bind9-libs=1:9.16.15-1ubuntu1.1 -f
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Version '1:9.16.15-1ubuntu1.1' for 'bind9-libs' was not found
root@mysql:~#

Revision history for this message
Manfred Hampl (m-hampl) said : 		#13

Ok, next idea:

wget https://launchpad.net/ubuntu/+archive/primary/+files/e2fsprogs_1.46.3-1ubuntu3_amd64.deb
sudo dpkg -i e2fsprogs_1.46.3-1ubuntu3_amd64.deb
lsattr /usr/bin/nslookup

Revision history for this message
杜宇 (dygood) said : 		#14

Still can't execute the command properly, thanks to technical support, I'll reinstall the operating system once.

Revision history for this message
Manfred Hampl (m-hampl) said : 		#15

Reinstalling the operating system most probably is the best solution.

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