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Titre
On AIX 7.1 a user is a member of more than 128 groups. All groups are not being displayed. ngroups_allowed , NGROUPS_MAX -
Description
The "id" command shows correctly the group membership of all groups on root level, but the same executed from user side shows up to 127 groups. -
Cause
System configuration. -
Résolution
On AIX 7.1 to check the max amount of groups the OS is capable of allowing a user to be a member of run the following:
# getconf NGROUPS_MAX
2048
To check the current limit that is configured run the following:
# lsattr -El sys0 -a ngroups_allowed
ngroups_allowed 128 Number of Groups Allowed
True
To increase it to the limit:
# chdev -l sys0 -a ngroups_allowed=2048sys0 changed