I have seen such errors related to OpenVZ 6 - you can take a look at bug
1814124 and bug 1811580 for that if it applies to you.
If that is true check for the workarounds in those buge for a short term
resolution, long term you should ask your provider to update your hosting
environment.
If your case is this one please mark this bug here as a dup of it as well.
If the above does not apply please outline your environment in detail as
reproducing this locally for me neither triggers in containers nor in VMs.
** Changed in: openssh (Ubuntu)
Status: New => Incomplete
** Tags added: server-triage-discuss
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https://bugs.launchpad.net/bugs/1823474
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:
frequently fails;
Devon:~$ systemctl status ssh
* ssh.service - OpenBSD Secure Shell server
Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset:
enabled)
Active: failed (Result: start-limit-hit) since Sa 2019-04-06 17:42:35
CEST; 5min ago
Process: 15706 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=255)
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: Sat Apr 6 11:17:53 2019
ErrorMessage: subprocess installed post-installation script returned error
exit status 1
InstallationDate: Installed on 2018-12-08 (119 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
RelatedPackageVersions:
dpkg 1.18.4ubuntu1.5
apt 1.2.31
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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