Help with HD monitor script Post: 302411783

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Top Forums Shell Programming and Scripting Help with HD monitor script Post 302411783 by crocyson on Friday 9th of April 2010 11:41:30 AM

04-09-2010

Registered User

Help with HD monitor script

Hi,
I'm new to linux and I'm trying to compile a hard drive monitoring script. I've seen a few on the internet and I've attempted to stumble through but I'm stuck at my while/do scenario.
I assigned the variable NUM then took the percentage from my output and cut the % so it would be just a number. The partition line is from a sample script and I'm not sure if I even need that. I just want to get the script to work so then I can tweak it the way I want. I don't want anyone to write the script for me but a little help understanding where I'm going wrong would be great.

Code:

#!/bin/bash
ADMIN="email address"

ALERT=85

df -H | grep '^/dev/sda1'  | awk ' { print $5 " " $1 } ' | while read output;
do
  #echo $output
  NUM= $( echo $output | awk ' { print $1 } ' | cut -d '%' -f1 )
  partition= $(echo $output | awk ' { print $2 } ' )
  if [ $NUM -ge $ALERT ]; then
    echo "Running out of space \"$partition ($NUM%)\" on $(hostname) as on $(date)" |
    mail -s "Alert: Almost out of disk space $NUM"  $ADMIN
  fi
done

Last edited by Franklin52; 04-09-2010 at 12:44 PM.. Reason: Please use code tags!

crocyson

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LEARN ABOUT CENTOS

monitor

MONITOR(8)						      System Manager's Manual							MONITOR(8)

NAME

       monitor - Directory Server script for monitoring database performance

SYNOPSIS

       monitor [ -Z serverID ] [ -D rootdn ] [ -w password ] [ -b basedn ] [-P protocol] [-h]

DESCRIPTION

       Retrieves performance monitoring information. To run this script, the server must be running.

OPTIONS

       A summary of options is included below:

       -Z Server Identifier
	      The server ID of the Directory Server instance.  If there is only one instance on the system, this option can be skipped.

       -D Root DN
	      The Directory Manager DN, or root DN.  If not specified, the script will search the server instance configuration for the value.

       -w password
	      The rootdn password.

       -b basedn
	      The DN of a backend from cn=config.

       -P Protocol
	      The  connection  protocol  to  connect  to the Directory Server.	Protocols are STARTTLS, LDAPS, LDAPI, and LDAP.  If this option is
	      skipped, the most secure protocol that is available is used.  For LDAPI, AUTOBIND is also available for the root user.

       -h
	      Display the usage.

EXAMPLE

       monitor -P STARTTLS

	      Note: security must be enabled to use protocol STARTTLS.	If STARTTLS is not available it will default to  next  strongest/available
	      protocol automatically.

       monitor -Z instance2 -D 'cn=directory manager' -w password -b 'cn=monitor,cn=userRoot,cn=ldbm database,cn=plugins,cn=config'

	      Note: You only need to bind as the root DN if you want to look at a backend monitor.

DIAGNOSTICS

       Exit status is zero if no errors occur.	Errors result in a non-zero exit status and a diagnostic message being written to standard error.

AUTHOR

       monitor was written by the 389 Project.

REPORTING BUGS

       Report bugs to http://bugzilla.redhat.com.

COPYRIGHT

       Copyright (C) 2013 Red Hat, Inc.

								    Mar 5, 2013 							MONITOR(8)