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[Launchpad Bug Tracker <811772@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: shadow (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/811772

Title:
  useradd added a user with an already used UID

Status in shadow package in Ubuntu:
  Confirmed

Bug description:
  I have my primary user with uid 1000
  $ id
  uid=1000(akm) gid=1000(akm) groups=1000(akm),4(adm),20(dialout),24(cdrom),46(plugdev),110(netdev),111(lpadmin),119(admin),122(sambashare),1001(dba)

  I wanted to create a user with the same group as me (akm) but with a lower UID.
  I used:
  $ sudo useradd -mN -g akm -K UID_MAX=900 nektois
  But it created the new user with the same uid 1000. I wasn't able therefore to delete it or alter, since the usermod/userdel complained that the user already logged in.
  I was able to delete the user via gui applet, but /etc/passwd still has it
  $ grep nekto /etc/passwd 
  nektois:x:1000:1000::/home/nektois:/bin/sh

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: passwd 1:4.1.4.2-1ubuntu3.2
  ProcVersionSignature: Ubuntu 2.6.35-30.54-generic 2.6.35.13
  Uname: Linux 2.6.35-30-generic x86_64
  NonfreeKernelModules: nvidia wl
  Architecture: amd64
  Date: Sun Jul 17 08:15:31 2011
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_GB.utf8
   SHELL=/bin/bash
  SourcePackage: shadow

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