The Unidata Local Data Manager (LDM) system includes network client and server programs designed for event-driven data distribution, and is the fundamental component of the Unidata Internet Data Distribution (IDD) system.
On systems using systemd(8), various inter-process communication objects of the LDM system -- including the memory-mapped LDM product-queue -- will be deleted when the LDM user logs out if
The value of the parameter RemoveIPC is yes; and
The LDM user is not a "system user".
A "system user" is one whose UID lies in the range delimited by the parameters SYS_UID_MIN and SYS_UID_MAX in the file /etc/login.defswhen the systemd(8) utility was compiled.
On such systems, either the value of the RemoveIPC parameter must be no or the LDM user must be a "system user" in order for the LDM to work correctly.
On systems using
systemd(8)
, various inter-process communication objects of the LDM system -- including the memory-mapped LDM product-queue -- will be deleted when the LDM user logs out ifRemoveIPC
isyes
; andA "system user" is one whose UID lies in the range delimited by the parameters
SYS_UID_MIN
andSYS_UID_MAX
in the file/etc/login.defs
when thesystemd(8)
utility was compiled.On such systems, either the value of the
RemoveIPC
parameter must beno
or the LDM user must be a "system user" in order for the LDM to work correctly.