Extract From /Etc/Security/User File; Example Of Login By Blocked User Id - IBM RS/6000 SP Problem Determination Manual

9.3.3 Login Control
The
user access on nodes. The command updates the login and rlogin attributes in
the /etc/security/user file to reflect whether or not a user may login to a node.
For example,
result in the attributes for user1 in /etc/security/user on sp21n09 (node 9) to be
modified as follows:
Figure 86. Extract from /etc/security/user File
If user1 attempts to login to sp21n09, the following message will appear.
Figure 87. Example of Login by Blocked User ID
The command,
user1
For further information on User Access Problems, see Chapters 12 and 27 in the
IBM RISC System/6000 Scalable POWERparallel Systems: Diagnosis and
Messages Guide , GC23-3899.
9.4 Managing File Collections
A file collection is a set of files and directories that are duplicated on multiple
systems in a network and are managed by tools that simplify their control and
maintenance. The
Protocol (SUP) to manage RS/6000 SP file collections and transfer them across
the system.
For further information on file collections and the
14, "Managing File Collections," in the IBM RISC System/6000 Scalable
POWERparallel Systems: Administration Guide , GC23-3897. RS/6000 SP System
Management: Easy, Lean and Mean , GG24-2563 is also a good source of
information.
218
SP PD Guide
/usr/lpp/ssp/bin/spacs_cntrl
dsh -w sp21n09 /usr/lpp/ssp/bin/spacs_cntrl block user1
user1:
login = false
rlogin = false
ttys = ALL,!RSH,!REXEC
AIX Version 4
(C) Copyrights by IBM and by others 1982, 1994.
login: user1
user1' s Password:
Remote logins are not allowed for this account.
login:
spacs_cntrl unblock user1
on a node.
/var/sysman/supper
This soft copy for use by IBM employees only.
command may be used to control interactive
, can be used to regain login access for
command uses the Software Update
supper
command see chapter
would