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Full Discussion: [bash] script is filling up my /var/log
Top Forums Shell Programming and Scripting [bash] script is filling up my /var/log Post 303027348 by soichiro on Thursday 13th of December 2018 07:19:06 PM
Old 12-13-2018
Quote:
Originally Posted by Corona688
Do you really need to run ifconfig as root anyway? You shouldn't, if all you're doing is checking values.
Unless I am wrong... In Debian a regular user does not have access to ifconfig.

--- Post updated 12-14-18 at 12:19 AM ---

It took me all day but in the end, I was finally able to prevent the following log files to increase in size.
Code:
/var/log/kern.log 
/var/log/auth.log 
/var/log/daemon.log

I took care of pam_unix(sudo:session) flooding my /var/log/auth.log by adding the below setting in /etc/sudoers.d/soichiro
Code:
Defaults   !logfile, !syslog, !pam_session

To prevent /var/log/daemon.log to increase in size, I removed the printf in my script

To solve the /var/log/kern.log which was being flooding with messages from UFW like the below one, I executes the command sudo ufw logging off
Code:
Dec 13 17:44:29 debian kernel: [16119.856118] [UFW BLOCK] IN= OUT=enp6s0 SRC= etc etc

I hope this will help someone out-there and if someone has a better way to do this, I am all hears.
This User Gave Thanks to soichiro For This Post:
MadeInGermany
 

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LEARN ABOUT DEBIAN

cmannotifyd

cmannotifyd(8)						     CMAN Notification Daemon						    cmannotifyd(8)

NAME

       cmannotifyd - CMAN Notification Daemon

SYNOPSIS

       cmannotifyd [-f] [-d]

DESCRIPTION

       The cmannotifyd daemon talks to CMAN and provides a mechanism to notify external entities about cluster changes.

       CMAN dispatches 3 kind of notifications:

       - CMAN_REASON_TRY_SHUTDOWN when cman requests to all clients if it is allowed to shutdown.

       - CMAN_REASON_STATECHANGE when cman detects a node joining or leaving the cluster.

       - CMAN_REASON_CONFIG_UPDATE when a configuration change event has been detected/requested.

       These notifications are then dispatched to the shell script cman_notify in the environment variable CMAN_NOTIFICATION.

       cman_notify will then execute all the scripts in the configured notification directory (default: /etc/cluster/cman-notify.d) passing a very
       minimal set of envvars including, of course, the CMAN_NOTIFICATION= type.  The execution order is set by the filename as shown by "LC_ALL=C
       ls -las".

       cmannotifyd logs are stored in the default log file (/var/log/cluster/cmannotifyd.log).

       cman_notify  logs are stored in the default log file (/var/log/cluster/cman_notify.log). By default the output from the scripts executed by
       cman_notify is redirected to /dev/null.	Users can either set CMAN_NOTIFICATION_DEBUG=1 in their environment or set proper debug configura-
       tion in cluster.conf to redirect scripts output to the cman_notify log file.

NOTES

       cmannotifyd does not block on cman_notify nor check the exit status of the script.

       Notifications are dispatched in the same order as they arrive, one by one.

       CMAN_REASON_TRY_SHUTDOWN  is  passed  to  scripts  for information only, they can not influence cman's decsion about whether or not to shut
       down.

       CMAN_REASON_STATECHANGE also implies CMAN_NOTIFICATION_QUORUM exported in the environment. CMAN_NOTIFICATION_QUORUM will be set to 1  (when
       the node is part of a quorate cluster) or 0 (otherwise).

       A template for cman_notify scripts can be found in the doc/ directory.

OPTIONS

       -f     Run in the foreground (do not fork / daemonize).

       -d     Enable debug output.

								   November 2008						    cmannotifyd(8)
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