[Bug 1912272] [NEW] edubuntu fails to fully install and messes with any other installation

[Abdul-Razak Sawal Alhassan]

Public bug reported:

Setting up edubuntu-artwork (15.12.1) ...
/var/lib/dpkg/info/edubuntu-artwork.postinst: 18: update-gconf-defaults: not found
dpkg: error processing package edubuntu-artwork (--configure):
 installed edubuntu-artwork package post-installation script subprocess returned error exit status 127
Errors were encountered while processing:
 edubuntu-artwork
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 5.8.0-38.43~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-38-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME
Date: Mon Jan 18 17:23:43 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
InstallationDate: Installed on 2021-01-09 (9 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
Symptom: installation
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal ubiquity-20.04.15 wayland-session

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https://bugs.launchpad.net/bugs/1912272

Title:
  edubuntu fails to fully install and messes with any other installation

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Setting up edubuntu-artwork (15.12.1) ...
  /var/lib/dpkg/info/edubuntu-artwork.postinst: 18: update-gconf-defaults: not found
  dpkg: error processing package edubuntu-artwork (--configure):
   installed edubuntu-artwork package post-installation script subprocess returned error exit status 127
  Errors were encountered while processing:
   edubuntu-artwork
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.8.0-38.43~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-38-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.14
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: GNOME
  Date: Mon Jan 18 17:23:43 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2021-01-09 (9 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  Symptom: installation
  UpgradeStatus: No upgrade log present (probably fresh install)

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