[Bug 1980123] Re: package openssh-server 1:8.2p1-4ubuntu0.5 failed to install/upgrade: installed openssh-server package post-installation script subprocess returned error exit status 1

[Athos Ribeiro]

Thank you for taking the time to file a bug report.

By checking the attached files at:

https://launchpadlibrarian.net/610065823/DuplicateSignature.txt, and
https://launchpadlibrarian.net/610065825/SSHDConfig.txt,

I noticed that the ssh server failed to restart because systemd's
ExecStartPre failed. The failed command was "/usr/sbin/sshd -t", which
checks your configuration files.

>From https://launchpadlibrarian.net/610065825/SSHDConfig.txt, I see that
the permissions on your keys are being rejected by sshd:

Permissions 0670 for '/etc/ssh/ssh_host_rsa_key' are too open.
It is required that your private key files are NOT accessible by others.

Since it seems likely to me that this is a local configuration problem,
rather than a bug in Ubuntu, I am marking this bug as 'Incomplete'.

However, if you believe that this is really a bug in Ubuntu, then we would
be grateful if you would provide a more complete description of the problem
with steps to reproduce, explain why you believe this is a bug in Ubuntu
rather than a problem specific to your system, and then change the bug
status back to "New".

For local configuration issues, you can find assistance here:
http://www.ubuntu.com/support/community

** Changed in: openssh (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1980123

Title:
  package openssh-server 1:8.2p1-4ubuntu0.5 failed to install/upgrade:
  installed openssh-server package post-installation script subprocess
  returned error exit status 1

Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  "System Problem Detected"

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: openssh-server 1:8.2p1-4ubuntu0.5
  ProcVersionSignature: Ubuntu 5.13.0-41.46~20.04.1-generic 5.13.19
  Uname: Linux 5.13.0-41-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.24
  AptOrdering:
   curl:amd64: Install
   libcurl4:amd64: Install
   NULL: ConfigurePending
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue Jun 28 06:18:40 2022
  ErrorMessage: installed openssh-server package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2021-07-08 (354 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3.2
   apt  2.0.9
  SourcePackage: openssh
  Title: package openssh-server 1:8.2p1-4ubuntu0.5 failed to install/upgrade: installed openssh-server package post-installation script subprocess returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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