[Bug 1693160] Re: software notifies a problempackage openssh-server 1:7.2p2-4ubuntu2.1 [modified: usr/sbin/sshd] failed to install/upgrade: unable to make backup link of './usr/sbin/sshd' before installing new version: Operation not permitted

[Seth Arnold]

Hello Dorothy,

What's the output of

namei -l /usr/sbin/sshd /usr/bin/ssh
lsattr -d /usr /usr/bin /usr/bin/ssh /usr/sbin /usr/sbin/sshd

Thanks

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Title:
  software notifies a problempackage openssh-server 1:7.2p2-4ubuntu2.1
  [modified: usr/sbin/sshd] failed to install/upgrade: unable to make
  backup link of './usr/sbin/sshd' before installing new version:
  Operation not permitted

Status in openssh package in Ubuntu:
  New

Bug description:
  I am 85 years old and do not understand the technology nor proper
  explanation of the problem.  I simply tried to update my computer and
  at the end there was a notification that there was a problem with the
  system.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: openssh-server 1:7.2p2-4ubuntu2.1 [modified: usr/sbin/sshd]
  ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62
  Uname: Linux 4.4.0-78-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.6
  Architecture: amd64
  Date: Tue May 23 06:52:10 2017
  DuplicateSignature:
   package:openssh-server:1:7.2p2-4ubuntu2.1 [modified: usr/sbin/sshd]
   Unpacking openssh-server (1:7.2p2-4ubuntu2.2) over (1:7.2p2-4ubuntu2.1) ...
   dpkg: error processing archive /var/cache/apt/archives/openssh-server_1%3a7.2p2-4ubuntu2.2_amd64.deb (--unpack):
    unable to make backup link of './usr/sbin/sshd' before installing new version: Operation not permitted
  ErrorMessage: unable to make backup link of './usr/sbin/sshd' before installing new version: Operation not permitted
  InstallationDate: Installed on 2016-04-21 (397 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.2
   apt  1.2.20
  SourcePackage: openssh
  Title: package openssh-server 1:7.2p2-4ubuntu2.1 [modified: usr/sbin/sshd] failed to install/upgrade: unable to make backup link of './usr/sbin/sshd' before installing new version: Operation not permitted
  UpgradeStatus: No upgrade log present (probably fresh install)

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