i can't upgrade system

[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:~#

[Erich Eickmeyer (eeickmeyer)]

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.