Identical eDirectory User ID and local User ID creates conflict with Linux UID

  • 3459120
  • 03-Aug-2006
  • 16-Mar-2012

Environment


Novell Open Enterprise Server (Linux based)
Novell SUSE Linux
Novell Linux User Management

Situation

If a local user exists and a workstation or server is using the Linux User Management (LUM) plug-ins for eDirectory and the same local user exists as LUM enabled, there is a potential conflict with the Linux user identification number, or UID. While it is encouraged NOT to configure workstations and eDirectory accounts in this manner, it is a possible configuration. Symptoms of this are usually identified by users that cannot modify files that are owned by themselves in Linux.

Resolution

If a Linux workstation or server is intended to handle Linux-enabled users from eDirectory, proper care must be taken to ensure that the users from eDirectory are not also listed in the /etc/passwd file as local accounts. If the users exist in both places, they should be removed from one or the other, and then any file ownerships must be modified to be owned by the remaining user.

If the administrator is familiar with the nsswitch and PAM (Pluggable Authentication Modules) systems, both can coincide. However, this is not advised due to the resulting and possibly conflicting accounts, files, and ownerships.

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