[Bug 2087551] Re: OpenSSH server config broken on unattended update

[Chris Leonard]

This is shown corresponding to that unattended update with -u
ssh.service:

Nov 08 06:48:27 www-veltas sshd[1102]: Received signal 15; terminating.
Nov 08 06:48:27 www-veltas systemd[1]: Stopping ssh.service - OpenBSD Secure Shell server...
Nov 08 06:48:27 www-veltas systemd[1]: ssh.service: Deactivated successfully.
Nov 08 06:48:27 www-veltas systemd[1]: Stopped ssh.service - OpenBSD Secure Shell server.
Nov 08 06:48:27 www-veltas systemd[1]: ssh.service: Consumed 2min 19.476s CPU time, 20.1M memory peak, 1.1M memory swap peak.

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https://bugs.launchpad.net/bugs/2087551

Title:
  OpenSSH server config broken on unattended update

Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  My server performed unattended update of openssh-server from
  1:9.6p1-3ubuntu13.5 to 1:9.6p1-3ubuntu13.7, and after this I could not
  access ssh anymore, connection refused.

  Following the steps at the bottom of this post to use non-socket-
  based-activation has allowed me to connect to the server again:

  https://discourse.ubuntu.com/t/sshd-now-uses-socket-based-activation-
  ubuntu-22-10-and-later/30189

  I suspect this is related to using a non-default port, although the
  systemd socket configuration appeared to exist with correct values, as
  well as the custom port value in sshd_config, before making the above
  change.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: openssh-server 1:9.6p1-3ubuntu13.7
  ProcVersionSignature: Ubuntu 6.8.0-48.48-generic 6.8.12
  Uname: Linux 6.8.0-48-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CloudArchitecture: x86_64
  CloudBuildName: server
  CloudID: configdrive
  CloudName: configdrive
  CloudPlatform: configdrive
  CloudSerial: 20231014
  CloudSubPlatform: config-disk (/dev/vdb)
  Date: Fri Nov  8 13:13:51 2024
  ProcEnviron:
   LANG=C.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=tmux-256color
  SourcePackage: openssh
  UpgradeStatus: Upgraded to noble on 2024-06-04 (157 days ago)

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