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1. Shell Programming and Scripting
Hi Gurus,
Good morning... :)
OS Info:
Linux 2.6.32-431.17.1.el6.x86_64 #1 SMP Fri Apr 11 17:27:00 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
I have a script which takes multiples parameters from a properties file one by one and run in background (to do parallel processing). As example:
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2. Programming
Hello,
I extracted a list of files in a directory with the command ls . However this is not my computer, so the ls functionality has been revamped so that it gives the filesizes in front like this :
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3. Shell Programming and Scripting
dear all,
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4. Solaris
Hi everyone,
how i can configure a single audit service in the global zone for all zones, on solaris BSM.
I will be glad to hear back from you.
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6. AIX
Dear All
When I start the AIX(6100-06)audit subsystem.
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7. Shell Programming and Scripting
Hello everybody,
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8. UNIX for Advanced & Expert Users
Hello experts,
I have a requirement of notifying my application everytime a network interface is brought up. My application supports Various Unix flavours e.g. RHEL, SLES, AIX, Solaris and Mac OS. I know that SLES supports /etc/sysconfig/network/if-up.d hook scripts that run once an interface is... (2 Replies)
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AUDITD(8) System Administration Utilities AUDITD(8)
NAME
auditd - The Linux Audit daemon
SYNOPSIS
auditd [-f] [-l] [-n] [-s disable|enable|nochange]
DESCRIPTION
auditd is the userspace component to the Linux Auditing System. It's responsible for writing audit records to the disk. Viewing the logs is
done with the ausearch or aureport utilities. Configuring the audit rules is done with the auditctl utility. During startup, the rules in
/etc/audit/audit.rules are read by auditctl and loaded into the kernel. Alterately, there is also an augenrules program that reads rules
located in /etc/audit/rules.d/ and compiles them into an audit.rules file. The audit daemon itself has some configuration options that the
admin may wish to customize. They are found in the auditd.conf file.
OPTIONS
-f leave the audit daemon in the foreground for debugging. Messages also go to stderr rather than the audit log.
-l allow the audit daemon to follow symlinks for config files.
-n no fork. This is useful for running off of inittab or systemd.
-s=ENABLE_STATE
specify when starting if auditd should change the current value for the kernel enabled flag. Valid values for ENABLE_STATE are "dis-
able", "enable" or "nochange". The default is to enable (and disable when auditd terminates). The value of the enabled flag may be
changed during the lifetime of auditd using 'auditctl -e'.
SIGNALS
SIGHUP causes auditd to reconfigure. This means that auditd re-reads the configuration file. If there are no syntax errors, it will proceed
to implement the requested changes. If the reconfigure is successful, a DAEMON_CONFIG event is recorded in the logs. If not success-
ful, error handling is controlled by space_left_action, admin_space_left_action, disk_full_action, and disk_error_action parameters
in auditd.conf.
SIGTERM
caused auditd to discontinue processing audit events, write a shutdown audit event, and exit.
SIGUSR1
causes auditd to immediately rotate the logs. It will consult the max_log_size_action to see if it should keep the logs or not.
SIGUSR2
causes auditd to attempt to resume logging. This is usually needed after logging has been suspended.
FILES
/etc/audit/auditd.conf - configuration file for audit daemon
/etc/audit/audit.rules - audit rules to be loaded at startup
/etc/audit/rules.d/ - directory holding individual sets of rules to be compiled into one file by augenrules.
NOTES
A boot param of audit=1 should be added to ensure that all processes that run before the audit daemon starts is marked as auditable by the
kernel. Not doing that will make a few processes impossible to properly audit.
The audit daemon can receive audit events from other audit daemons via the audisp-remote audispd plugin. The audit daemon may be linked
with tcp_wrappers to control which machines can connect. If this is the case, you can add an entry to hosts.allow and deny.
SEE ALSO
auditd.conf(5), audispd(8), ausearch(8), aureport(8), auditctl(8), augenrules(8), audit.rules(7).
AUTHOR
Steve Grubb
Red Hat Sept 2013 AUDITD(8)
