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Full Discussion: Check and compare disk space and email it
Top Forums Shell Programming and Scripting Check and compare disk space and email it Post 302492289 by rdcwayx on Sunday 30th of January 2011 11:13:30 PM
Old 01-31-2011
du -h will export human readable format ( 14K, 234M, 2.7G). it will generate some issues sometime. for example, if the size is higher than 1000G, you got 1.2T, then your script have issue.

second, define a var to replace the log file which used for several times.

Code:
#! /bin/bash

#you means /home ?
LOG=/home/reports/DiskUsage.txt
du -hs /home/PMjobs> $LOG
date >> $LOG

#extract the size number without KB,G,etc...
$FileSize=$(du -ks /home/PMjobs | awk '{print int($1)}')

#compares the size of the directory

if [ $FileSize -gt 500000000.0 ];  #here,no "G"
then

  # pulls size of additional directories

  cd /home/PMjobs
  du -hc PM1 PM2 PM3 PM4 PM5 >> $LOG
  date >> $LOG

fi

mutt -s "Disk Usage reports" -a $LOG admin@anycomp.com

 

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LEARN ABOUT DEBIAN

doveadm-log

DOVEADM-LOG(1)							      Dovecot							    DOVEADM-LOG(1)

NAME

       doveadm-log - Locate, test or reopen Dovecot's log files

SYNOPSIS

       doveadm [-Dv] log errors
       doveadm [-Dv] log find [directory]
       doveadm [-Dv] log reopen
       doveadm [-Dv] log test

DESCRIPTION

       The  doveadm  log commands are used to locate and reopen the log files of dovecot(1).  It's also possible to test the configured targets of
       the *log_path settings.

OPTIONS

       Global doveadm(1) options:

       -D     Enables verbosity and debug messages.

       -v     Enables verbosity, including progress counter.

COMMANDS

   log errors
       doveadm log errors

       The log errors command is used to show the last	- up to 1,000 - errors and warnings.  If no output is generated, no errors  have  occurred
       since the last start.

   log find
       doveadm log find [directory]

       The  log  find  command	is used to show the location of the log files, to which dovecot(1) sends its log messages.  If dovecot(1) logs its
       messages through syslogd(8) and doveadm(1) could not find any log files, you can specify the directory where your syslogd  writes  its  log
       files.

   log reopen
       doveadm log reopen

       This command causes doveadm to reopen all log files, configured in the log_path, info_log_path and debug_log_path settings.  These settings
       are configured in /etc/dovecot/conf.d/10-logging.conf.
       This is for example useful after manually rotating the log files.

   log test
       doveadm log test

       This command causes doveadm to write the message "This is Dovecot's priority log (timestamp)" to the configured log files.  The used prior-
       ities are: debug, info, warning, error and fatal.

EXAMPLE

       This example shows how to locate the log files used by dovecot(1).

       doveadm log find
       Looking for log files from /var/log
       Debug: /var/log/dovecot.debug
       Info: /var/log/mail.log
       Warning: /var/log/mail.log
       Error: /var/log/mail.log
       Fatal: /var/log/mail.log

REPORTING BUGS

       Report  bugs,  including doveconf -n output, to the Dovecot Mailing List <dovecot@dovecot.org>.	Information about reporting bugs is avail-
       able at: http://dovecot.org/bugreport.html

SEE ALSO

       doveadm(1)

Dovecot v2.1							    2012-02-22							    DOVEADM-LOG(1)
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