[Bug 1820608] Re: package openssh-server 1:7.2p2-4ubuntu2.8 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Andreas Hasenack]

Thanks for filing this bug in Ubuntu.

This is the error that was logged:
Setting up openssh-server (1:7.2p2-4ubuntu2.8) ...
Unsafe symlinks encountered in /var/run/sshd, refusing.
Job for ssh.service failed because the control process exited with error code. See "systemctl status ssh.service" and "journalctl -xe" for details.
invoke-rc.d: initscript ssh, action "restart" failed.
● ssh.service - OpenBSD Secure Shell server
   Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since Mon 2019-03-18 13:38:42 UTC; 31ms ago
  Process: 14891 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=255)

Mar 18 13:38:42 HMNRHSECP006 systemd[1]: Failed to start OpenBSD Secure Shel....
Mar 18 13:38:42 HMNRHSECP006 systemd[1]: ssh.service: Unit entered failed state.
Mar 18 13:38:42 HMNRHSECP006 systemd[1]: ssh.service: Failed with result 'ex....
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package openssh-server (--configure):
 subprocess installed post-installation script returned error exit status 1

Of note, I see this line:
Unsafe symlinks encountered in /var/run/sshd, refusing.

But no more details were given.

Could you please attach /var/log/syslog, /var/log/auth.log and the
output of "sudo systemctl status -l ssh"? You can trim the logfiles to
cover just March 18th.

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

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https://bugs.launchpad.net/bugs/1820608

Title:
  package openssh-server 1:7.2p2-4ubuntu2.8 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  .

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: openssh-server 1:7.2p2-4ubuntu2.8
  ProcVersionSignature: Ubuntu 4.15.0-46.49~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-46-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  Date: Mon Mar 18 13:38:42 2019
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2019-01-21 (56 days ago)
  InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64 (20180731)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.5
   apt  1.2.29ubuntu0.1
  SSHDConfig: Error: command ['/usr/sbin/sshd', '-T'] failed with exit code 255: Missing privilege separation directory: /var/run/sshd
  SourcePackage: openssh
  Title: package openssh-server 1:7.2p2-4ubuntu2.8 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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