[Bug 2003756] Re: Cannot configure krb5-kdc on Ubuntu Jammy 22.04.01, "Could not execute systemctl: at /usr/bin/deb-systemd-invoke line 142."

[Dan MacDonald]

This bug also affects installing proftpd under 22.04.

apt install proftpd
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Note, selecting 'proftpd-core' instead of 'proftpd'
proftpd-core is already the newest version (1.3.7c+dfsg-1build1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] 
[master d41b86764d] saving uncommitted changes in /etc prior to apt run
 Author: cseadmin <cseadmin at poseidon.salford.ac.uk>
 1 file changed, 1 insertion(+), 1 deletion(-)
Setting up proftpd-core (1.3.7c+dfsg-1build1) ...
usermod: no changes
Synchronizing state of proftpd.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable proftpd
Could not execute systemctl:  at /usr/bin/deb-systemd-invoke line 142.
dpkg: error processing package proftpd-core (--configure):
 installed proftpd-core package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 proftpd-core
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)

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https://bugs.launchpad.net/bugs/2003756

Title:
  Cannot configure krb5-kdc on Ubuntu Jammy 22.04.01, "Could not execute
  systemctl:  at /usr/bin/deb-systemd-invoke line 142."

Status in init-system-helpers package in Ubuntu:
  Confirmed
Status in krb5 package in Ubuntu:
  Confirmed

Bug description:
  I have a fresh install of Ubuntu Server 22.04.01 LTS.  After
  installing the server and running all updates, I run the following
  command:

  apt -y install slapd ldap-utils schema2ldif sasl2-bin
  libsasl2-modules-gssapi-mit krb5-kdc-ldap krb5-admin-server krb5-kdc

  This will be installing krb5-kdc 1.19.2-2.

  This is in preparation for setting up an OpenLDAP server, a Kerberos
  server with an LDAP backend, and saslauthd for pass-through
  authentication.  krb5-kdc was auto-selected when running the steps in
  the guide here in my development environment:
  https://ubuntu.com/server/docs/service-kerberos-with-openldap-backend
  When installing that, I get the following in the output:

  Setting up krb5-kdc (1.19.2-2) ...
  Created symlink /etc/systemd/system/multi-user.target.wants/krb5-kdc.service → /lib/systemd/system/krb5-kdc.service.
  Could not execute systemctl:  at /usr/bin/deb-systemd-invoke line 142.

  I do get the prompts for the realm, kdc, and admin server hostnames,
  and they are reflected in /etc/krb5.conf.  If I then run the
  following:

  dpkg-reconfigure krb5-kdc

  I am prompted for whether I want the package to create the Kerberos
  KDC configuration automatically, and when I say yes, it then repeats
  the following error:

  Could not execute systemctl:  at /usr/bin/deb-systemd-invoke line 142.

  I cannot find any further debug in the syslog or anything to indicate
  what the root cause is; the list of packages here are all installed
  together on a separate development server where I experimented with
  the configuration I will be deploying here in production so I don't
  think it's incompatible packages in the install list, but I am open to
  feedback on that.

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