package moodle 1.8.2-1.2ubuntu1 failed to install/upgrade: subprocess post-installation script returned error exit status 2

[Steve Beattie]

Binary package hint: moodle

Occurred on upgrade from hardy to intrepid.

ProblemType: Package
Architecture: i386
DistroRelease: Ubuntu 8.10
ErrorMessage: subprocess post-installation script returned error exit status 2
Package: moodle 1.8.2-1.2ubuntu1
PackageArchitecture: all
SourcePackage: moodle
Title: package moodle 1.8.2-1.2ubuntu1 failed to install/upgrade: subprocess post-installation script returned error exit status 2
Uname: Linux 2.6.24-19-virtual i686

[Steve Beattie (sbeattie)]

Relevant portion of the DpkgTerminalLog:

  Setting up moodle (1.8.2-1ubuntu4) ...

  Creating config file /etc/moodle/config.php with new version
   * Reloading web server config apache2
  apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
     ...done.
  grep: /etc/postgresql///pg_hba.conf: No such file or directory
  Your settings in /etc/postgresql///pg_hba.conf do not allow me to continue.
  Unknown id: postgres
  Warning: The home dir /nonexistent you specified can't be accessed: No such file or directory
  Adding system user `moodle' (UID 146) ...
  Adding new user `moodle' (UID 146) with group `nogroup' ...
  Not creating home directory `/nonexistent'.
  Unknown id: postgres
  dpkg: error processing moodle (--configure):
   subprocess post-installation script returned error exit status 1

Which make it look like this is a duplicate of bug 225662; marking as such.