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Old 07-23-2013, 04:48 PM   #1
johnmccarthy
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Registered: Jul 2010
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Unhappy RHEL 6 - Upon GUI Login Present successful and unsucessful User Login


I have a customer requirement that stipulates when users login to RHEL6 they be presented with there last successful login and in the case of a bad login, between successful logins, when (date/time) the bad login occured.

Does anyone have a script and if so where can I place this script in the users startup.

A million thanks,
Johnny Mac
 
Old 07-23-2013, 05:37 PM   #2
szboardstretcher
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vim /home/USER_NAME/.bashrc

Code:
grep -i failed /var/log/secure | tail -n 10
 
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Old 07-24-2013, 01:38 PM   #3
johnmccarthy
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The above only works as root and only in console (not graphical user interface). Solution was I modified the /etc/rsyslog.conf to write /var/log/secure messages to a second location. When users login they grep against the second file (users read only) for bad logins. The second request (succesful logins) I identifed the solution by going to Red Hat's website, https://access.redhat.com/site/solutions/217423

Note:
To get the application to startup upon user login, I used the graphical interface System - Preferences - Startup Application. Here under command I typed, gnome-terminal and then the path to my grep script along with the file name and extension.

Below is my rsyslog.conf (/etc/) and script:

script - grep -i failed /var/log/secures | tail -n 10

# rsyslog v5 configuration file

# For more information see /usr/share/doc/rsyslog-*/rsyslog_conf.html
# If you experience problems, see http://www.rsyslog.com/doc/troubleshoot.html

#### MODULES ####

$ModLoad imuxsock # provides support for local system logging (e.g. via logger command)
$ModLoad imklog # provides kernel logging support (previously done by rklogd)
#$ModLoad immark # provides --MARK-- message capability

# Provides UDP syslog reception
#$ModLoad imudp
#$UDPServerRun 514

# Provides TCP syslog reception
#$ModLoad imtcp
#$InputTCPServerRun 514


#### GLOBAL DIRECTIVES ####

# Use default timestamp format
$ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat

# File syncing capability is disabled by default. This feature is usually not required,
# not useful and an extreme performance hit
#$ActionFileEnableSync on

# Include all config files in /etc/rsyslog.d/
$IncludeConfig /etc/rsyslog.d/*.conf


#### RULES ####

# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.* /dev/console

# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;authpriv.none;cron.none /var/log/messages

# The authpriv file has restricted access.
authpriv.* /var/log/secure

# The authpriv file has restricted access.
authpriv.* /var/log/secures

# Log all the mail messages in one place.
mail.* -/var/log/maillog


# Log cron stuff
cron.* /var/log/cron

# Everybody gets emergency messages
*.emerg *

# Save news errors of level crit and higher in a special file.
uucp,news.crit /var/log/spooler

# Save boot messages also to boot.log
local7.* /var/log/boot.log


# ### begin forwarding rule ###
# The statement between the begin ... end define a SINGLE forwarding
# rule. They belong together, do NOT split them. If you create multiple
# forwarding rules, duplicate the whole block!
# Remote Logging (we use TCP for reliable delivery)
#
# An on-disk queue is created for this action. If the remote host is
# down, messages are spooled to disk and sent when it is up again.
#$WorkDirectory /var/lib/rsyslog # where to place spool files
#$ActionQueueFileName fwdRule1 # unique name prefix for spool files
#$ActionQueueMaxDiskSpace 1g # 1gb space limit (use as much as possible)
#$ActionQueueSaveOnShutdown on # save messages to disk on shutdown
#$ActionQueueType LinkedList # run asynchronously
#$ActionResumeRetryCount -1 # infinite retries if host is down
# remote host is: name/iport, e.g. 192.168.0.1:514, port optional
#*.* @@remote-host:514
# ### end of the forwarding rule ###

Take care,
John
 
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