[Bug 1691880] Re: package openssh-server 1:7.2p2-4ubuntu2.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Nick Breen]

I can confirm that in my case it was due to an error in
/etc/ssh/sshd_config.

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https://bugs.launchpad.net/bugs/1691880

Title:
  package openssh-server 1:7.2p2-4ubuntu2.2 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  was trying the update and upgrade command. suddenly got the below error message.
  Errors were encountered while processing:
   openssh-server
   unattended-upgrades
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: openssh-server 1:7.2p2-4ubuntu2.2
  Uname: Linux 4.1.19-v7+ armv7l
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: armhf
  Date: Thu May 18 19:08:41 2017
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.2
   apt  1.2.20
  SourcePackage: openssh
  Title: package openssh-server 1:7.2p2-4ubuntu2.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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