Thanks for filing this bug in Ubuntu. The provided logs unfortunately do not have enough information to properly diagnose the problem.
Could you please attach the output of the command below to this bug? sudo systemctl status ssh.service Thanks ** Changed in: openssh (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1713435 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: invoke-rc.d: initscript ssh, action "start" failed. ● ssh.service - OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Mon 2017-08-28 14:36:40 IST; 9ms ago Process: 21687 ExecStart=/usr/sbin/sshd -D $SSHD_OPTS (code=exited, status=255) Main PID: 21687 (code=exited, status=255) Aug 28 14:36:40 LinuxMachine systemd[1]: Starting OpenBSD Secure Shell server... Aug 28 14:36:40 LinuxMachine systemd[1]: ssh.service: Main process exited, c...a Aug 28 14:36:40 LinuxMachine systemd[1]: Failed to start OpenBSD Secure Shel.... Aug 28 14:36:40 LinuxMachine systemd[1]: ssh.service: Unit entered failed state. Aug 28 14:36:40 LinuxMachine systemd[1]: ssh.service: Failed with result 'ex.... ProblemType: Package DistroRelease: Ubuntu 16.04 Package: openssh-server 1:7.2p2-4ubuntu2.2 ProcVersionSignature: Ubuntu 4.4.0-92.115-generic 4.4.76 Uname: Linux 4.4.0-92-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 Date: Mon Aug 28 14:36:40 2017 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2016-12-12 (258 days ago) InstallationMedia: Ubuntu-GNOME 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720) RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.24 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1713435/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp