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[Mikko Rantalainen <1903449@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Installing libvirt-manager results in account libvirt-qemu being
created. This user has config in /etc/passwd like follows:

libvirt-qemu:x:64055:125:Libvirt
Qemu,,,:/var/lib/libvirt:/usr/sbin/nologin

The "nologin" should be pretty clear signal that this account is not
usable for logging in. Despite this, this account is offered in visual
login (e.g. lightdm). The computation for possible user accounts is
handled by package accountsservice.

A workaround is to manually list this user as system user:
echo -e "[User]\nSystemAccount=true" > /var/lib/AccountsService/users/libvirt-qemu

However, as this user cannot be logged in (/etc/shadow contains "!" as
the password hash, too) it never makes any sense to show this in login
screen even without the above manual configuration.

Related: bug 857651

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: accountsservice 0.6.45-1ubuntu1.3
ProcVersionSignature: Ubuntu 5.4.0-52.57~18.04.1-lowlatency 5.4.65
Uname: Linux 5.4.0-52-lowlatency x86_64
ApportVersion: 2.20.9-0ubuntu7.18
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Nov  8 16:54:24 2020
EcryptfsInUse: Yes
InstallationDate: Installed on 2019-01-05 (672 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: accountsservice
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1903449

Title:
  accountsservice displays "Libvirt Qemu"

Status in accountsservice package in Ubuntu:
  New

Bug description:
  Installing libvirt-manager results in account libvirt-qemu being
  created. This user has config in /etc/passwd like follows:

  libvirt-qemu:x:64055:125:Libvirt
  Qemu,,,:/var/lib/libvirt:/usr/sbin/nologin

  The "nologin" should be pretty clear signal that this account is not
  usable for logging in. Despite this, this account is offered in visual
  login (e.g. lightdm). The computation for possible user accounts is
  handled by package accountsservice.

  A workaround is to manually list this user as system user:
  echo -e "[User]\nSystemAccount=true" > /var/lib/AccountsService/users/libvirt-qemu

  However, as this user cannot be logged in (/etc/shadow contains "!" as
  the password hash, too) it never makes any sense to show this in login
  screen even without the above manual configuration.

  Related: bug 857651

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: accountsservice 0.6.45-1ubuntu1.3
  ProcVersionSignature: Ubuntu 5.4.0-52.57~18.04.1-lowlatency 5.4.65
  Uname: Linux 5.4.0-52-lowlatency x86_64
  ApportVersion: 2.20.9-0ubuntu7.18
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Sun Nov  8 16:54:24 2020
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2019-01-05 (672 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: accountsservice
  UpgradeStatus: No upgrade log present (probably fresh install)

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