unfortunately, Ubuntu 14.04 reached the end of standard support in April 2019, and is now only receives ESM support, which provides only security patches. You should get a newer version of the CD you are using.
** Changed in: systemd (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1888133 Title: package libpam-systemd:amd64 204-5ubuntu20.24 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100 Status in systemd package in Ubuntu: Invalid Bug description: This happened immediately after booting a Live CD for GNUradio. ProblemType: Package DistroRelease: Ubuntu 14.04 Package: libpam-systemd:amd64 204-5ubuntu20.24 ProcVersionSignature: Ubuntu 3.19.0-28.30~14.04.1-generic 3.19.8-ckt5 Uname: Linux 3.19.0-28-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.24 Architecture: amd64 CasperVersion: 1.340.2 Date: Sat Apr 22 23:25:15 2017 Df: Filesystem 1K-blocks Used Available Use% Mounted on udev 1992364 0 1992364 0% /dev DuplicateSignature: package:libpam-systemd:amd64:204-5ubuntu20.24:subprocess installed post-installation script returned error exit status 100 ErrorMessage: subprocess installed post-installation script returned error exit status 100 LiveMediaBuild: LilacSats 14.04 - Release amd64 RelatedPackageVersions: dpkg 1.17.5ubuntu5.7 apt 1.0.1ubuntu2.17 SourcePackage: systemd Title: package libpam-systemd:amd64 204-5ubuntu20.24 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1888133/+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